SYSTEM SAFETY ASSESSMENT RELIABILITY OF SYSTEMS AND EQUIPMENT
|
|
- Drusilla Eaton
- 5 years ago
- Views:
Transcription
1 SYSTEM SAFETY ASSESSMENT RELIABILITY OF SYSTEMS AND EQUIPMENT
2 TYPES OF FAILURE : - Systematic - Non-Systematic Infant Mortality Random Wear-out WEIBULL DISTRIBUTION DORMANT (LATENT) FAILURES BOOLEAN ALGEBRA EXAMPLES
3 TYPES OF FAILURE SYSTEMATIC AND
4 Reliability of Systems & Equipment SYSTEMATIC FAILURES
5 Definitions DEF-STAN 00-56: Failure. The inability of a system or component to fulfil its operational requirements. Failures may be systematic or due to physical change. Systematic Event. An event that can be due to faults in the specification, design, construction, operation or maintenance of the system or its components.
6 Definitions Suggested Definition of Systematic Failure An undesired state of a system, that is not associated with physical degradation of a component, that results from a given set of conditions being satisfied.
7 Reliability of Systems & Equipment NON-SYSTEMATIC FAILURES
8 Non-Systematic Failures NON-SYSTEMATIC FAILURES MAY BE DIVIDED INTO THREE MAIN TYPES: INFANT MORTALITY RANDOM WEAR-OUT
9 Non-Systematic Failures INFANT MORTALITY FAILURES - Are usually attributable to inadequacies in manufacture, maintenance, or design. The inadequacies result in a reduction in the ability of a component, equipment, or system to survive the environment to which it is subjected. Infant mortality failures exhibit relatively high failure rates during early life.
10 Non-Systematic Failures RANDOM FAILURES - Are usually attributable to external occurrences. As such they are not related to the age of a component. Random Failure exhibit failure rates that are independent of component age and hence are constant with time.
11 Non-Systematic Failures WEAR-OUT FAILURES - Are usually attributable to a progressive deterioration of a component Wear-out failures exhibit progressively higher failure rates with component age.
12 Example Bath-tub Curve Failure Rate per unit time 5.E-03 4.E-03 3.E-03 2.E-03 1.E-03 0.E+00 Failure Rate variation with Time INFANT MORTALITY RANDOM FAILURES Age - Unit Time Multiple Failure Modes WEAR OUT
13 An Example of a Component In-service Failure With Age Aircraft Rudder Jacks
14 An Example of a Component In-service Failure With Age
15 Failure rate variation with time THE WEIBULL DISTRIBUTION
16 Weibull Distribution THREE VARIABLE DISTRIBUTION P = e - η S ( β t - γ ) γ = MINIMUM LIFE η β = CHARACTERISTIC LIFE = SHAPE PARAMETER
17 Weibull Distribution P = e - η S WHEN γ = 0, AND β = 1 ( P = e - S ( t - γ) β η t ) η IS CONSTANT WITH TIME AND EQUAL TO THE MTBF
18 Weibull Distribution β = 1 RANDOM FAILURES FAILURE RATE HOURS
19 Weibull Distribution β = 0.5 INFANT MORTALITY FAILURE RATE HOURS
20 Weibull Distribution β = 3 WEAR OUT FAILURE RATE HOURS
21 Weibull Distribution COMBINED FAILURE MODES FAILURE RATE INFANT MORTALITY RANDOM WEAR OUT ALL FAILURES BANHEIRA or BATH TUB HOURS
22 UK Human Mortality Rate
23 UK Males Mortality Rate
24 Reliability of Systems & Equipment SIMPLE THEORY FOR MULTIPLE FAILURES
25 Simple Theory For Multiple Failures CONSIDER TWO SIMILAR CHANNELS EACH HAVING A PROBABILITY OF FAILURE OF X DURING A GIVEN TIME PERIOD T THE PROBABILITY OF BOTH FAILING DURING PERIOD T = X 2 IF THERE ARE N CHANNELS THE PROBABILITY OF FAILURE OF ALL CHANNELS DURING PERIOD T = X N
26 Simple Theory For Multiple Failures IF AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM HAS n CHANNELS EACH WITH A FAILURE PROBABILITY OF X = 10-3 PER HOUR THEN ASSUMING ALL CHANNELS ARE TOTALLY INDEPENDENT THE PROBABILITY OF SINGLE CHANNEL AND TOTAL SYSTEM FAILURE IS GIVEN BY:- Number of Channels n Failure of Single Channels per Hour nx Failure of Total System per Hour (X) n 1 1x10-3 1x x10-3 1x x10-3 1x x10-3 1x10-12
27 Reliability of Systems & Equipment PROBABILITY OF FAILURE DURING A GIVEN TIME PERIOD
28 Probability of Failure Random Failures P f = 1 - e -λt = 1 - [1 - λt + λ 2 t 2 - λ 3 t ] 2! 3! = λt - λ 2 t 2 + λ 3 t ] 2! 3! If λt is small P f λt
29 Probability of Failure Random Failures THE PROBABILITY OF FAILURE DURING TIME t, FOR A COMPONENT WITH FAILURE RATE λ IS GIVEN BY : λt Assumptions: Failure probabilities are small Failure rates are constant with time
30 Reliability of Systems & Equipment DORMANT (LATENT) FAILURES
31 Dormant Failures 1-e -λt
32 Dormant Failures 1 e λ t λ t Error at 1,000 hours approximately 5%
33 Dormant Failures CHECK SYSTEM AT THIS TIME P f PEAK PROBABILITY MEAN PROBABILITY T 2T 3T time
34 Dormant Failures Probability of two items having failed by time T one of which is dormant the other active :- λ λ T = MEAN PROBABILITY PER HOUR ACTIVE FAILURE DORMANT FAILURE 34
35 Probability of Two Items Having Failed By Time T One of Which is Dormant the Other Active :- MEAN PROBABILITY PER HOUR = λ 1 λ 2 2 T MEAN RISK SET ORDER
36 Dormant Failures Probability of two items having failed by time T the first of which is dormant (but not both) approximates to :- λ λ T λ T λ = λ 1 λ 2 T 36
37 Dormant Failures MEAN PROBABILITY PER HOUR = Probability of two items having failed by time T the first of which is dormant (but not both) approximates to :- λ 1 λ 2 = T MEAN RISK EITHER ORDER
38 Reliability of Systems & Equipment FURTHER EXAMPLES
39 Question Draw a dependence diagram for a TRIPLE engine failure on a THREE-engined aircraft. 39
40 Question E1 E2 E3 40
41 Question Draw a dependence diagram for a DOUBLE engine failure on a THREE- engined aircraft. 41
42 Question [1] [2] E1 E2 E1 E2 E3 E2 E1 E3 E2 [3] E1 E2 E1 E3 E1 E2 E3 E3 E3 42
43 Question Given that the average engine failure rate is 1x10-4 per hour, calculate the probability of a double engine failure due to independent causes during a 1 hour flight. 43
44 Question Calculate the probability of a double engine failure due to independent causes during a 1 hour flight. E1 E2 E1 E2 E3 E3 = (E1xE2) + (E2xE3) + (E1xE3) Probability for each engine =λt = (1x10-4 ) x 1 = (1x10-4 ) 2 + (1x10-4 ) 2 + (1x10-4 ) 2 = 3x10-8 / flt 44
45 Question Given that the duration of the aircraft take-off phase is 1 minute, calculate the probability of a double engine failure during take-off. What assumption have you made regarding the probability of engine failure at take-off thrust? 45
46 Question t Is the answer : (a) 5x10-10?; or (b) 8.3x10-12? (E1xE2) + (E2xE3) + (E1xE3) λ = (1/60 x 1x10-4 ) 2 + (1/60 x 1x10-4 ) 2 + (1/60 x 1x10-4 ) 2 = 8.3x10-12 Assumption: The probability we have used for engine failure is appropriate for the take off phase 46
47 Question 6.2 WINDSCREEN WASH SYSTEM B C1 C2 S1 S2 T T M1 V1 Left Screen Wash V2 Right Screen Wash M2 47
48 Question 6.2 B C1 C2 S1 S2 T M1 V1 Left Screen Wash V2 M2 Right Screen Wash Prob. (Loss of both Left and Right Screen Wash) = (C1 + S1 + M1 + V1)x(C2 + S2 + M2 + V2) + B + T 48
49 Question 6.2 Prob. (Loss of both Left and Right Screen Wash) B C1 C2 S1 S2 T M1 V1 = (C1 + S1 + M1 + V1)x(C2 + S2 + M2 + V2) + B + T Left Screen Wash V2 M2 Right Screen Wash Dependence Diagram: C1 S1 M1 V1 B T C2 S2 M2 V2 49
50 Question 6.3 Fire Detector A Fuse A Fire Detector B Fire Warning Lamp DC Busbar Fuse B Relevant failure rates: Failure Rate/Flt hr Loss of power from DC busbar 4 x 10-6 Fire detector failed open circuit 5 x 10-5 Fire detector failed short circuit 2 x 10-5 Fuse open circuit 1 x 10-6 Lamp filament failure 5 x
51 Question Relevant failure rates: Failure Rate/flt hr Fire Detector A Fuse A Fire Detector B Fuse B DC Busbar Loss of power from DC busbar 4 x 10-6 Fire detector failed o/c 5 x 10-5 Fire detector failed s/c 2 x 10-5 Fuse open circuit 1 x 10-6 Fire Warning Lamp filament failure 5 x 10-6 Lamp Loss of fire detection capability (per flight) Loss of power from DC busbar Fuse A o/c Fuse B o/c Fire Detector A o/c Fire Detector B o/c Lamp Filament failure Prob. (Loss of fire detection capability)/flt = 4x (1x x10-5 )(1x x10-5 ) + 5x10-6 = 9x
52 Question 6.3 Fire Detector A Fuse A Fire Detector B Fire Warning Lamp Fuse B Relevant failure rates: Failure Rate/flt hr DC Busbar Loss of power from DC busbar 4 x 10-6 Fire detector failed o/c 5 x 10-5 Fire detector failed s/c 2 x 10-5 Fuse open circuit 1 x 10-6 Lamp filament failure 5 x
53 Question Relevant failure rates: Failure Rate/flt hr Fire Detector A Loss of power from DC busbar 4 x 10-6 Fuse A Fuse B Fire Detector B Fire Warning Lamp Fire detector failed o/c 5 x 10-5 Fire detector failed s/c 2 x 10-5 Fuse open circuit 1 x 10-6 DC Busbar Lamp filament failure 5 x 10-6 Fire Detector A s/c Fire Detector B s/c Prob. (False fire warning due to system malfunction)/flt = 2x x10-5 = 4x
54 Question and Fire Detector A Fuse A Fire Detector B Fire Warning Lamp ONE SYSTEM BUT TWO DEPENDENCE DIAGRAMS DC Busbar Fuse B Loss of fire detection capability Fuse A o/c Detector A o/c Loss DC busbar Lamp Filament failure Fuse B o/c Detector B o/c False fire warning Fire Detector A s/c Fire Detector B s/c The SYSTEM DIAGRAM describes the OPERATIONAL logic. The DEPENDENCE DIAGRAM describes the FAULT logic. 54
55 Question Loss of Fire Detection Capability prior to Maintenance Check at Time T Dependence Diagram Fuse A o/c Fire Detector A o/c Loss of power from DC busbar Lamp Filament failure Fuse B o/c Fire Detector B o/c 55
56 Question Loss of Fire Detection Capability prior to Maintenance Check at Time T Fuse A o/c Fire Detector A o/c Loss of power from DC busbar Lamp Filament failure Fuse B o/c Fire Detector B o/c Probability of loss of fire detection capability/flight. = 4x (1x x10-5 )(1x x10-5 )T + 5x10-6 = 4x (51x10-6 )(51x10-6 )T + 5x10-6 = 9x x10-9 T and if T = 1000 = 9x x10-6 Probability = 11.6 x10-6 = 1.16 x10-5 per flight 56
57 Useful References and Data Sources 1.UK Ministry of Defence, Safety Management Requirements for Defence Systems, Issue 1, DEF-STAN-00-56, United Kingdom Author. 2.M.J. Moroney, Facts from Figures, UK Penguin Books. 3.A.D.S. Carter, Mechanical Reliability, 2nd Edition, 1986, UK Macmillan Education Ltd. 4.United States of America Department of Defense, Military Handbook Reliability of Electronic Equipment, MIL-HDBK-217F, 2 December 1991, United States of America Author. 5.The UK Central Statistical Office, Annual Abstract of Statistics, 1991, United Kingdom Author. 6.The UK Central Statistical Office, Social Trends 21, 1991, United Kingdom Author. 57
The agri-motive safety performance integrity level Or how do you call it?
TÜV Rheinland InterTraffic GmbH Safety in Transportation 4 The agri-motive safety performance integrity level Or how do you call it? Dipl.-Ing. Sebastian Gräfling, TÜV Rheinland InterTraffic GmbH Contents
More informationFMEDA Report. Failure Modes, Effects and Diagnostic Analysis. KFD0-CS-Ex*.54* and KFD0-CS-Ex*.56* Project: X7300
Failure Modes, Effects and Diagnostic Analysis Device Designation: KFD0-CS-Ex*.54* and KFD0-CS-Ex*.56* Project: X7300 Pepperl+Fuchs GmbH Mannheim Germany Mannheim norm sheet 1 of 16 Released EDM checkout
More informationMechanics issn Transport issue 1, 2009 Communications article 0342
Mechanics issn 1312-3823 Transport issue 1, 2009 Communications article 0342 Academic journal FUNCTIONAL SAFETY ASSESSMENT OF LED BASED SIGNAL LAMP http://www.mtc-aj.com Jan Famfulík, Radek Krzyžanek jan.famfulik@vsb.cz,
More informationFailure Modes, Effects and Diagnostic Analysis. PR electronics A/S Rønde Denmark
Failure Modes, Effects and Diagnostic Analysis Project: 9203 Solenoid / Alarm Driver Customer: PR electronics A/S Rønde Denmark Contract No.: PR electronics 06/03-19 Report No.: PR electronics 06/03-19
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Detcon FP-700 Combustible Gas Sensor Customer: Detcon The Woodlands, TX USA Contract No.: DC 06/08-04 Report No.: DC 06/08-04 R001 Version V1, Revision
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Honeywell Temperature Transmitter STT650 with 4-20 ma Output Company: Honeywell International Inc. Field Products 512 Virginia Drive Fort Washington,
More informationFunctional Safety of Machinery: EN ISO Stewart Robinson. Overview of the presentation. References. TÜV SÜD Product Service
Functional Safety of Machinery: EN ISO 13849-1 Stewart Robinson Overview of the presentation Defining Safety Functions Avoidance of Systematic Failures Defining Performance Levels Required Verifying Performance
More informationWe reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. ABB 2CMT2016-005511 rev
More information7XG3130 ReyArc30 Optical Arc Fault Sensor Energy Management
Reyrolle Protection Devices 7XG3130 ReyArc30 Optical Arc Fault Sensor Energy Management 7XG3130 - RA30 Optical Arc Fault Sensor Features Compact rugged design One or two optical detectors High speed arc
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Fireye Flame Sensor Module CE Flameswitch, model MBCE-110/230FR Company: Fireye Derry, NH USA Contract Number: Q09/10-26 Report No.: FIR 09/10-26
More informationApplication Note. Application Note for BAYEX
Application Note Application Note for BAYEX Preface This application note provides the user a more detailed description of the Bayesian statistical methodology available in Version 8.05 and above, of the
More informationFunctional Safety: the Next Edition of IEC 61511
HazAus2015/1507 Functional Safety: the Next Edition of IEC 61511 Mirek Generowicz Engineering Manager I&E Systems Pty Ltd Level 2, 445 Hay Street Perth WA 6000 Abstract The functional safety standard IEC
More informationfor family composition, time allocation of people, ownership and specification of home appliances. This paper first presents the simulation procedure
Validation of an Energy Demand Model of Residential Buildings Yohei Yamaguchi 1*, Yoshiyuki Shimoda 1 1 Graduate School of Engineering Osaka University, S4 Building, 2-1 Yamadaoka, Suita, Osaka, 565-871,
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Phoenix Type 85UVF/IRF Flame Scanner Company: FIREYE Derry, New Hampshire USA Contract Number: Q08/04-57 Report No.: FIR 08/04-57 R001 Version V2,
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Oldham OLCT 200 Transmitter Company: Industrial Scientific Corporation Oakdale, PA USA Contract Number: Q11/05-009 Report No.: IS 10/10-010 R001
More informationPPA Michaël GROSSI - FSCE PR electronics
Functional Safety Component selection according to IEC61511 Title 2 Presentation Michaël GROSSI: Ex / SIL Product manager @ Degree in Instrumentation & Measurement More than 10 years experience in Functional
More informationOptimizing Electric Humidifier Operation with an Air Side Economizer
Optimizing Electric Humidifier Operation with an Air Side Economizer Usama F. Shami, P.E. Senior Project Engineer Savage Engineering, Inc. Foster City, CA Abstract Air side economizer cycle is a control
More informationFalse Alarm Analysis of the CATM-CFAR in Presence of Clutter Edge
66 D. IVKOVIĆ, M. ANDRIĆ, B. ZRNIĆ, FALSE ALARM ANALYSIS OF HE M-CFAR IN PRESENCE OF CLUER EDGE False Alarm Analysis of the M-CFAR in Presence of Clutter Edge Dejan IVKOVIĆ., Milenko ANDRIĆ 2, Bojan ZRNIĆ
More informationDesign and Analysis of Safety Critical Systems
Design and Analysis of Safety Critical Systems Peter Seiler and Bin Hu Department of Aerospace Engineering & Mechanics University of Minnesota September 30, 2013 Uninhabited Aerial Systems (UAS) Flight
More informationIR15TT-R Miniature Infrared Gas Sensor for Monitoring Carbon Dioxide and Methane up to 100% Vol.
IR15TT-R Miniature Infrared Gas Sensor for Monitoring Carbon Dioxide and Methane up to 100% Vol. FEATURES Two active gas channels for simultaneous detection of carbon dioxide and methane (or other hydrocarbons)
More informationTopic MYTH FUNCTIONAL SAFETY IMPLIES HAVING A SIL RATED COMPONENT. Presented by : Arunkumar A
Topic MYTH FUNCTIONAL SAFETY IMPLIES HAVING A SIL RATED COMPONENT Presented by : Arunkumar A DNV GL Who are we? Only by connecting the details can we impact the bigger picture We classify, certify, verify
More informationBC Hydro Energy Star Appliances
Impact Report BC Hydro Energy Star Appliances Prepared for: BC Hydro Power Smart Evaluation Prepared by: Table of Contents Table of Contents 1. INTRODUCTION... 1 1.1 BACKGROUND... 1 1.2 ENERGY STAR OVERVIEW...
More informationFIRE HAZARD ASSESSMENT IN SUPPORTING FIRE PROTECTION SYSTEM DESIGN OF A CHEMICAL PROCESS FACILITY ABSTRACT
FIRE HAZARD ASSESSMENT IN SUPPORTING FIRE PROTECTION SYSTEM DESIGN OF A CHEMICAL PROCESS FACILITY Ali Pezeshk, Joseph Chang, Dwight Hunt, and Peter Jahn Parsons Infrastructure & Technology Group, Inc.
More informationFT702LT Turbine control wind sensor gives durability a new meaning FT702LT. series
FT702LT Turbine control wind sensor......gives durability a new meaning FT702LT series Proven High Availability The FT702LT ultrasonic anemometer is the result of FT Technologies 10 years of experience
More informationAssessment of the Probabilities that Staff and/or Patients Will Detect Fires in Hospitals
Assessment of the Probabilities that Staff and/or Patients Will Detect Fires in Hospitals DAVID A. CHARTERS NHS Estates 1 Trevelyan Square Boar Lane, Leeds, LS1 6AE, UK JONATHAN R. BARNETT, MICHAEL SHANNON,
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: 3144P 4-20mA HART Temperature Transmitter Device Label SW REV 1.1.X Customer: Rosemount Inc. (an Emerson Process Management company) Shakopee, MN
More information1200-HCM DIN RAIL MOUNTING FIRE SYSTEM MODULE Fire Detection & Extinguishant Control A R T PATOL LIMITED SUPPLY FAULT SOUNDER
Application The unit is primarily intended for use where there is a requirement to integrate a limited fire protection function into a larger control equipment scheme, or in specialist applications where
More informationImpacts of an Energy Star Promotion
Impacts of an Energy Star Promotion Jack Habart and Joe Kelly, Habart and Associates Consulting Inc. Iris Sulyma and Ken Tiedemann, BC Hydro ABSTRACT BC Hydro s Power Smart group has been encouraging the
More informationSafety in the process industry
Products Solutions Services Safety in the process industry Simply reliable Table of contents Endress+Hauser: At home in the process safety Smart devices and concepts for hazardous areas Introduction to
More informationSession Four Functional safety: the next edition of IEC Mirek Generowicz Engineering Manager, I&E Systems Pty Ltd
Abstract Session Four Functional safety: the next edition of IEC 61511 Mirek Generowicz Engineering Manager, I&E Systems Pty Ltd The functional safety standard IEC 61511 provides a framework for managing
More informationProservo NMS5- / NMS7-
Functional Safety Manual Proservo NMS5- / NMS7- Tank gauge for Liquid level measurement with 4 to 20mA Output or with Alarm Relay Contact Output Application Operating minimum (e.g. dry run protection),
More informationAssessment of factors causing false alarm signals from detection equipment, and ways to mitigate this challenge
Assessment of factors causing false alarm signals from detection equipment, and ways to mitigate this challenge REPORT by SENIOR RESEARCH FELLOW 12 CSRI OF THE MINISTRY OF DEFENCE OF THE RUSSIAN FEDERATION
More informationHumidity Control Systems for Civil Buildings in Hot Summer and Cold. Winter Zone in China
Humidity Control Systems for Civil Buildings in Hot Summer and Cold Winter Zone in China Xiaoping Yu Doctoral Candidate Chongqing University of Science & Technology Chongqing, China, 400042 xiaoyup@163.com
More informationUniversal Dimmer N 528D01, 2 x 300VA, AC 230 V 5WG DB01
Gamma instabus Universal Dimmer N 528D01, 2 x 300VA, AC 230 V 5WG1 528-1DB01 Technical Product Information Universal Dimmer for switching or dimming of dimmable lamps Supports dimmable lamps including
More informationHelicycle Crew Alerting System (CAS)
Helicycle Crew Alerting System (CAS) CAS Logic Boards Mounted on Radio Trays (Only 3 left as of Aug 14 th.) 8/14/2015 page 1 OF 12 INTRODUCTION If you view my Monterey Bay Shoreline video on YouTube, you
More informationSIL DETERMINATION AND PROBLEMS WITH THE APPLICATION OF LOPA
SIL DETERMINATION AND PROBLEMS WITH THE APPLICATION OF LOPA Alan G King Hazard & Reliability Specialist, ABB Engineering Services, Billingham, Cleveland UK. TS23 4YS For a number of years, industry has
More informationSafety Manual. XNX TM Universal Transmitter. Table of Contents SIL 2 Certificates Overview Safety Parameters
XNX TM Universal Transmitter Safety Manual Table of Contents SIL 2 Certificates Overview Safety Parameters Fault Diagnostic Time Interval Proof Test Proof Testing Procedure Table of Contents 1 SIL 2 Certificate...3
More informationPage 1 of 7 First Revision No. 7-NFPA 551-2014 [ Section No. 2.2 ] 2.2 NFPA Publications. National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02169-7471. NFPA 101A, Guide on Alternative
More informationIntroduction. Additional information. Additional instructions for IEC compliant devices. Measurement made easy
ABB MEASUREMENT & ANALYTICS SIL-SAFETY MANUAL TTH300, TTF300 Temperature transmitter Additional instructions for IEC 61508 compliant devices Measurement made easy TTH300 TTF300 Introduction TTH300, TTF300
More informationSchedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK
2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK 2 Crewe Road North Contact: Mr C Marshall Crewe Toll Tel: +44 (0)131 343 4242 Edinburgh Fax: +44 (0)131 343 5420 EH5 2XS E-Mail: chris.marshall@leonardocompany.com
More informationTHE NEXT GENERATION IN VISIBILITY SENSORS OUTPERFORM BOTH TRADITIONAL TRANSMISSOMETERS AND FORWARD SCATTER SENSORS
THE NEXT GENERATION IN VISIBILITY SENSORS OUTPERFORM BOTH TRADITIONAL TRANSMISSOMETERS AND FORWARD SCATTER SENSORS Steve Glander: Senior Sales Engineer All Weather, Inc. 1165 National Dr. Sacramento, CA
More informationProduct Specification Qualification Test Report
PS 88 / DMI PC SM / 6/5 DIAMOND Test & Calibration Laboratory STS 333 / SCS 11 Product Specification Qualification Test Report DMI PC SM DIAMOND SA Via dei Patrizi 5 CH-6616 LOSONE Tel. +41 91 785 45 45
More informationHow design fires can be used in fire hazard analysis
How design fires can be used in fire hazard analysis Yung, D.T.; Bénichou, N. NRCC-44511 A version of this document is published in / Une version de ce document se trouve dans : Fire Technology, v. 38,
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Rosemount 3051SMV MultiVariable Transmitter Company: Emerson Automation Solutions Rosemount Inc. Shakopee, MN USA Contract Number: Q16/12-041 Report
More informationFMEDA and Proven-in-use Assessment. Pepperl+Fuchs GmbH Mannheim Germany
FMEDA and Proven-in-use Assessment Project: Transmitter Supply Isolators KF**-CRG-*** Customer: Pepperl+Fuchs GmbH Mannheim Germany Contract No.: P+F 02/11-01 Report No.: P+F 02/11-01 R012 Version V2,
More informationASHRAE Standard 62 Ventilation Report Technical Assignment #1. Calvert Memorial Hospital Prince Frederick, MD
ASHRAE Standard 62 Ventilation Report Technical Assignment #1 Prepared By: Holly Mawritz October 6, 2004 Table Of Contents: Executive Summary 2 Assumptions 3 Procedure 4 Sample Calculations 5 System and
More informationA Method for Fire Detecting by Volume and Surface Area Concentration Based on Dual Wavelengths
A Method for Fire Detecting by Volume and Surface Area Concentration Based on Dual Wavelengths Xiao Xiao, Tian Deng, Ming Zhu, Shu Wang School of Electronic Information and Communications, Huazhong University
More informationTechnical data sheet TDS0060
Technical data sheet TDS0060 PREMIER HIGH RANGE HYDROCARBON INFRARED SENSOR CERTIFIED VERSION TYPES MSH-P-HHC and MSHia-P-HHC Patent Numbers Great Britain GB 2 401 432 & GB 2 403 291 Europe EP 1544603
More informationNFPA 85 COMPLIANCES OF BMS: A CASE STUDY OF BOILER CONTROL AT SBM OFFSHORE MALAYSIA COMPANY 1. AHMED ABOUELRISH 2 Universiti Teknologi Petronas
Journal of Contemporary Issues in Business Research ISSN 2305-8277 (Online), 2013, Vol. 2, No. 4, 109-123. Copyright of the Academic Journals JCIBR All rights reserved. NFPA 85 COMPLIANCES OF BMS: A CASE
More informationDOE FUNDAMENTALS HANDBOOK INSTRUMENTATION AND CONTROL Volume 1 of 2
DOE-HDBK-1013/1-92 JUNE 1992 DOE FUNDAMENTALS HANDBOOK INSTRUMENTATION AND CONTROL Volume 1 of 2 U.S. Department of Energy Washington, D.C. 20585 FSC-6910 Distribution Statement A. Approved for public
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: 3144 4-20mA HART Temperature Transmitter Company: Rosemount Inc. (Emerson Automation Solutions) Shakopee, MN USA Contract Number: Q16/12-041 Report
More informationExercise 8: Soil Compaction. CE337, Section 006, Team 3. Experimental data acquired on April 16, 2015 by:
Exercise 8: Soil Compaction CE337, Section 006, Team 3 Experimental data acquired on April 16, 2015 by: John Fisher (Role A) Colin Crist (Role B) Maria Baldonieri (Role C) Yuhao Luo (Role C) Submittal
More informationImplementing a Reliable Leak Detection System on a Crude Oil Pipeline
Implementing a Reliable Leak Detection System on a Crude Oil Pipeline By Dr Jun Zhang & Dr Enea Di Mauro* 1. Introduction Pipeline leak detection or integrity monitoring (PIM) systems have been applied
More informationSpecification for Rising Bollards Control System
Traffic Systems and Signing TR 2207 Issue A March 2002 Specification for Rising Bollards Control System Crown Copyright 2002 Applications to reproduce this material should be made to The Controller of
More informationConsiderations in the Design of Smoke Management Systems for Atriums
Construction Technology Update No. 48 Considerations in the Design of Smoke Management Systems for Atriums by G.D. Lougheed This Update discusses the use of an engineered approach to the design of smoke
More informationSession Ten Achieving Compliance in Hardware Fault Tolerance
Session Ten Achieving Compliance in Hardware Fault Tolerance Mirek Generowicz FS Senior Expert (TÜV Rheinland #183/12) Engineering Manager, I&E Systems Pty Ltd Abstract The functional safety standards
More informationReport Nr
Report Nr. 07207334856 Applicant: Fluid Components Ltd. 1755 La Costa Meadows Drive San Marcos, CA 92069 USA Device under test: FLT 93 - Sensor System Testing body: TÜV NORD CERT GmbH Safety Related Services
More informationAalborg Universitet. CLIMA proceedings of the 12th REHVA World Congress Heiselberg, Per Kvols. Publication date: 2016
Aalborg Universitet CLIMA 2016 - proceedings of the 12th REHVA World Congress Heiselberg, Per Kvols Publication date: 2016 Document Version Publisher's PDF, also known as Version of record Link to publication
More informationFailure Modes, Effects and Diagnostic Analysis. Rosemount Inc. Chanhassen, Minnesota USA
Failure Modes, Effects and Diagnostic Analysis Project: 2088 Pressure Transmitter Customer: Rosemount Inc. Chanhassen, Minnesota USA Contract No.: ROS 06/10-18 Report No.: ROS 06/10-18 R001 Version V1,
More informationTechnical Paper. Functional Safety Update IEC Edition 2 Standards Update
Technical Paper Functional Safety Update IEC 61511 Edition 2 Standards Update Functional Safety Update Table of Contents 1.0 Introduction 2.0 IEC 61511-1 changes 3.0 IEC 61511-2 changes 4.0 IEC 61511-3
More informationPREMIER PLATINUM INFRARED GAS SENSOR
PREMIER PLATINUM INFRARED GAS SENSOR LOW POWER VERSION DUAL HYDROCARBONS AND CARBON DIOXIDE SENSOR Exd Certified VERSIONS *** Available in EN50271 / SIL1 Certified versions *** Technical data sheet TDS0150
More informationLOW POWER VERSION DUAL HYDROCARBONS AND CARBON DIOXIDE SENSOR Exd Certified VERSIONS *** Available in EN50271 / SIL1 Certified versions ***
Technical data sheet TDS0149 LOW POWER VERSION DUAL HYDROCARBONS AND CARBON DIOXIDE SENSOR Exd Certified VERSIONS *** Available in EN50271 / SIL1 Certified versions *** SIL1 MSH2-LS/HC/CO2 MSH2ia-LS/HC/CO2
More informationRisk Management of Fire using Video Based Detection
Risk Management of Fire using Video Based Detection Measuring the Threat The annual risk of a fire can be estimated using fire statistics and a thorough evaluation of the impact that an actual fire would
More informationQA16 Addressable System
QA16 Addressable System Operating Manual HORING LIH INDUSTRIAL CO., LTD. www.horinglih.com QA16 System Characteristics Each loop can connect with 250 devices. Easy system programming through PC to panel.
More informationVIRTUAL HOBBING. E. BERGSETH Department of Machine Design, KTH, Stockholm, Sweden SUMMARY
VIRTUAL HOBBING E. BERGSETH Department of Machine Design, KTH, Stockholm, Sweden SUMMARY Hobbing is a widely used machining process to generate high precision external spur and helical gears. The life
More informationILNAS-EN 61649:2008. Weibull analysis. Analyse de Weibull. Weibull-Analyse
Weibull analysis Analyse de Weibull Weibull-Analyse 11/2008 National Foreword This European Standard EN 61649:2008 was adopted as Luxembourgish Standard in November 2008. Every interested party, which
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: Mobrey 2130 Vibrating Fork Point Level Switch Company: Mobrey Measurement SLOUGH, SL1 4UE UK Contract Numbers: Mobrey Q08/08-57 and Q11/05-090 Report
More informationEffect of domestic storage and cooking conditions on the risk distribution in ready to cook meat products
Effect of domestic storage and cooking conditions on the risk distribution in ready to cook meat products Bakalis S.*, Giannakourou M.C. and Taoukis P. School of Chemical Engineering, National Technical
More informationA Model of the Population of Fire Detection Equipment Based on the Geometry of the Building Stock
A Model of the Population of Fire Detection Equipment Based on the Geometry of the Building Stock S. H. ELLWOOD and M. LYNCH Gent Ltd Waterside Road, Leicester LE5 HN, UK ABSTRACT The approach of studying
More informationFunctional safety according to IEC / IEC Important user information. Major changes in IEC nd Edition
International Symposium in China Functional Safety in Industrial Applications 18 19 October 2011, Shanghai - China Functional safety according to IEC 61508 / IEC 61511 Important user information Major
More informationImproving Control of Dual-Duct Single-Fan Variable Air Volume Systems
Improving Control of Dual-Duct Single-Fan Variable Air Volume Systems Guanghua Wei, P.E. Joe Martinez Tom Minihan Assistant Research Engineer Research Engineering Associate Graduate Student Tim Brundidge
More informationRemote Detection of Leaks in Gas Pipelines with an Airborne Raman Lidar. Strategic Insights, Volume VII, Issue 1 (February 2008)
Remote Detection of Leaks in Gas Pipelines with an Airborne Raman Lidar Strategic Insights, Volume VII, Issue 1 (February 2008) by Sergey M. Bobrovnikov, Ilia B. Serikov, Yuri F. Arshinov, G. Sakovich,
More informationTechnical Manual for the Manual Alarm Call Point BG
Technical Manual for the Manual Alarm Call Point BG Please note that every care has been taken to ensure the accuracy of our technical manual. We do not, however, accept responsibility for damage, loss
More informationOverfill Prevention Control Unit with Ground Verification & Vehicle Identification Options. TÜVRheinland
Scully Intellitrol Safety Manual Overfill Prevention Control Unit with Ground Verification & Vehicle Identification Options TÜVRheinland Functional Safety Type Approved FS IEC 61508 Certified SIL 2 / SIL
More informationNFPA 70E Arc Flash Considerations for MV Equipment. By: Dominik Pieniazek, P.E. HV Engineering, LLC
NFPA 70E Arc Flash Considerations for MV Equipment By: Dominik Pieniazek, P.E. dominik@hv-eng.com HV Engineering, LLC http://sites.ieee.org/houston/ Full link for PDF copies of presentations: http://sites.ieee.org/houston/communities/ie
More informationCONTENTS Introduction and Characteristics. 1 Fire Alarm System Assembly Diagram.. 2 Fire Alarm Signal Flow Chart.. 2 Panel Descriptions 3 Standard
CONTENTS Introduction and Characteristics. 1 Fire Alarm System Assembly Diagram.. 2 Fire Alarm Signal Flow Chart.. 2 Panel Descriptions 3 Standard Detector Wiring Method. 4 Method of Wiring.. 5 Wiring
More informationGuide To Troubleshooting INEFFICIENT COOLING FANS
Guide To Troubleshooting INEFFICIENT COOLING FANS TABLE OF CONTENTS Introduction Enclosure Cooling Basics Key Attributes of Enclosure Cooling Symptoms of Poor Enclosure Cooling Typical Cooling Fan Problems
More informationWR-E - Practical Electrical Wiring Standards - IEE BS Edition+A12011 Edition
IDC Technologies - Books - 1031 Wellington Street West Perth WA 6005 Phone: +61 8 9321 1702 - Email: books@idconline.com WR-E - Practical Electrical Wiring Standards - IEE BS7671-2008 Edition+A12011 Edition
More informationMeasurement of Safety Integrity of E/E/PES according to IEC61508
Measurement of Safety Integrity of E/E/PES according to IEC61508 Mr. Chen Zhenkang TUV Rheinland Singapore 18. May. 2018 Singapore World Metrology Day 2018 1 Agenda 1. TÜV Rheinland: a Certification Body
More informationThis is to certify that the optical output of the: SENSORNET LR-DTS Temperature Sensing System: (Variants Mark 1, Mark 2a and Mark 2b)
Optical Services Ltd. This is to certify that the optical output of the: SENSORNET LR-DTS Temperature Sensing System: (Variants Mark 1, Mark 2a and Mark 2b) Meets the requirements stated in IEC 60825-1:2001
More informationAnimals:Goats:Bleat.Calls,Warbling.Baa,Movements.Rubbing,Barn,Medium.Close,Interior,BG.Dog.Barks 01:21.618
Description Duration Animals:Goats:Bleat.Calls,Warbling.Baa,Movements.Rubbing,Barn,Medium.Close,Interior,BG.Dog.Barks 01:21.618 Animals:Goats:Herd,Bleat.Calls,Intensity.Increase,Warbling,Baby.Baa,Movements.Rubbing,Barn,Occasional.Dog.Barks,Medium.Close,Interior,BG.Crows.Squawks
More informationCHANCES AND LIMITS OF THE TIME-EQUIVALENCE-METHOD IN STRUCTURAL FIRE DESIGN
CHANCES AND LIMITS OF THE TIME-EQUIVALENCE-METHOD IN STRUCTURAL FIRE DESIGN ABSTRACT P. Schaumann and S. Hothan University of Hannover, Institute for Steel Construction Appelstraße 9a, D-3167 Hannover,
More informationAir Liquide Advanced Technologies Division Sassenage, 38360, France
Published in AIP Conference Proceedings 1218, pp. 1476-1483 (2010) OPERATION RESULTS OF THE KSTAR HELIUM REFRIGERATION SYSTEM H.- S. Chang1, E. Fauve2, D.-S. Park1, J.-J. Joo1, K.-M. Moon1, K.-W. Cho1,
More informationDated 15-Dec-2000; J. Schilz, subject to change
product data infrared sources preliminary! Infrared source 5 V, 115 ma, 3.17 mm diameter Features: - Incandescent infrared source up to 4.4 µm, - high reliability, - stable output, - short time constant.
More informationFailure Modes, Effects and Diagnostic Analysis
Failure Modes, Effects and Diagnostic Analysis Project: ST3000 pressure transmitter Customer: Honeywell International Inc. Fort Washington, Pennsylvania USA Contract No.: HON 06/05-18 Report No.: HON 06/05-18
More informationFully configurable SIL2 addressable Fire & Gas Detection solutions
Fully configurable SIL2 addressable Fire & Gas Detection solutions Tyco are able to provide multiple configurations where the solution and devices are certified to meet the Functional Safety requirements
More informationFUNCTIONAL SAFETY IN FIRE PROTECTION SYSTEM E-BOOK
FUNCTIONAL SAFETY IN FIRE PROTECTION SYSTEM E-BOOK USEFUL TERMINOLOGY BASIC PROCESS CONTROL SYSTEM (BPCS) System which responds to input signals from the process, its associated equipment, other programmable
More informationSAFETY INTEGRITY LEVEL MANUAL. IEC and IEC XP95 and Discovery SIL Approved Product Range
SAFETY INTEGRITY LEVEL MANUAL IEC 61508 and IEC 61511 XP95 and Discovery SIL Approved Product Range 0729 Contents General Information... 2 ty Integrity Levels explained... 3 Why do we need ty Integrity
More informationNew Developments in the IEC61511 Edition 2
New Developments in the IEC61511 Edition 2 Presented by Dr Issam Mukhtar PhD(Eng.) TÜV FS Expert (IDNo.:117/06) 6 th May 2013 2010 Invensys. All Rights Reserved. The names, logos, and taglines identifying
More informationCERTIFICATION BULLETIN
File: ULC Subject C100 ULC-G.5.2 CCF7 S500F/SC2 October 28, 2014 CERTIFICATION BULLETIN 2014-07 Second Edition ULC/ORD-C100-13 Smoke Control System Equipment To: Members of the ULC Advisory Committee Members
More informationHAWK Measurement Systems Pty. Ltd. Centurion CGR Series Safety Manual
HAWK Measurement Systems Pty. Ltd. Centurion CGR Series Safety Manual Document No. SIL0008 Version 1.7 17/04/2018 1. Revision History: Revision Author Reviewed Approved Update Details Date 0.1 Klaus Lorentschitsch
More informationComputer Modelling and Simulation of a Smart Water Heater
Computer Modelling and Simulation of a Smart Water Heater Maria Kathleen Ellul University of Malta ellul_maria@yahoo.com Adrian Muscat University of Malta adrian.muscat@um.edu.mt Abstract A computational
More informationUncertainty Analysis For Input Parameters Of Electrical Cabinet Fire Simulation By Coupling Latin Hypercube Sampling And CFAST
Uncertainty Analysis For Input Parameters Of Electrical Cabinet Fire Simulation By Coupling Latin ypercube Sampling And CFAST Wanhong WANG a, Dahuan ZU b, ui BAO c, Yun GUO a, Changhong PENG a * a School
More informationWhen Precision is not good enough
When Precision is not good enough Andrew Kelley XACT PCB Ltd North Shields, UK Abstract As PCB designs become ever more complex with more sequential build up layers, tighter annular ring designs and broader
More informationReliability and availability analysis of a 10 K helium refrigerator
Reliability and availability analysis of a 0 kw@0 K helium refrigerator J Li,, L Y Xiong, L Q Liu, H R Wang, and B M Wang Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese
More informationSAC 100 Automatic Smoke Curtain System. - Specifier Information -
SAC 100 Automatic Smoke Curtain System - Specifier Information - CONTENTS 1. Introduction Page 3 2. Construction and Method of Operation Page 5 3. Performance 3.1. Resistance to Fire/Heat Page 6 3.2. Deflection
More informationMeasure Lifetime Derived from a Field Study of Age at Replacement
Measure Lifetime Derived from a Field Study of Age at Replacement David Robison, MicroGrid David Cohan Bruce True, Portland General Electric The traditional engineering technique for estimating the expected
More informationIR1xxx Series 1, IR2xxx Series 1 Miniature Infrared Gas Sensors for Hazardous Areas and Intrinsic Safety in Mining
IR1xxx Series 1, IR2xxx Series 1 Miniature Infrared Gas Sensors for Hazardous Areas and Intrinsic Safety in Mining FEATURES * Configured for carbon dioxide (IR11BD, IR21BD), hydrocarbons (,,, ) or acetylene
More informationDPR-145 TEMPERATURE PROTECTION RELAY. DPR-145 User Manual V-2.0 ( ) PT100 INPUTS: 4 RELAY OUTPUTS: 4 RS-485 MODBUS PORT VDC SUPPLY -1-
DPR-45 User Manual V-2.0 (2..206) DPR-45 TEMPERATURE PROTECTION RELAY PT00 INPUTS: 4 RELAY OUTPUTS: 4 RS-485 MODBUS PORT 9-50VDC SUPPLY DESCRIPTION DPR-45 is a precision unit designed for the temperature
More informationAnalox 1000 Series. User Manual. Analox Sensor Technology Ltd. 15 Ellerbeck Court, Stokesley Business Park North Yorkshire, TS9 5PT, UK
Analox 1000 Series User Manual Analox Sensor Technology Ltd. 15 Ellerbeck Court, Stokesley Business Park North Yorkshire, TS9 5PT, UK T: +44 (0)1642 711400 F: +44 (0)1642 713900 W: www.analox.net E: info@analox.net
More information