Dae-Hyun Jin. 8/2018-Present Assistant Professor of Mechanical Engineering, Taylor University, USA

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1 Dae-Hyun Jin Education 9/2003-8/2006 University of Maryland at College Park, USA PhD, Department of Mechanical Engineering Center for Environmental Energy Engineering (CEEE) Dissertation Topic: Investigation on the Refrigerant Distribution in the Evaporator Manifolds Dissertation: The research work experimentally and numerically investigated the refrigerant distribution in the evaporator manifolds for residential and automobile applications. The objective of the work was to provide essential design information of micro-channel type evaporators (or multi-port type evaporators) by conducting an experimental study on the effects of geometry, operating conditions, and fluid properties on the distribution of refrigerant and pressure drop in heat exchanger manifolds. For the experimental work, the following approach was taken: visualizing the flow through a multi-port header of a flat multi-port tube (FMT) heat exchanger, measuring the refrigerant mass flow rate and vapor quality for each individual tube group, and measuring the pressure drops along the distributing header and the vertical tubes of the heat exchanger. 9/1991-8/1993 Korea University, Seoul, Korea MS, Mechanical Engineering 3/1987-2/1991 Korea University, Seoul, Korea BS, Mechanical Engineering Teaching Experience 8/2018-Present Assistant Professor of Mechanical Engineering, Taylor University, USA 7/2017-7/2017 Summer School Professor, Yanbian University of Science and Technology, China Course: Fluid Dynamics for undergraduate students 7/2016-7/2016 Summer School Professor, Yanbian University of Science and Technology, China Course: Applied Fluid Dynamics for undergraduate students 9/2005-1/2006 Teaching Assistant, University of Maryland at College Park, USA Teaching assistant for undergraduate Thermodynamics course 3/1992-6/1992 Teaching Assistant, Korea University, Seoul, Korea Teaching assistant for undergraduate experimentation course

2 Research Experience 9/2003-8/2006 Research Assistant, CEEE, University of Maryland at College Park, USA Comparison of Hydrocarbon R-290 and Two HFC blends R-404A and R-410A for Medium Temperature Refrigeration Applications Performance Measurement of CO 2 Heat Exchangers (Gas Cooler, Condenser and Evaporator) Comparison of Hydrocarbon R-290 and Two HFC blends R-404A and R-410A for Low Temperature Refrigeration Applications Refrigerant Distribution in the Evaporator Manifolds 11/1997-5/1998 Visiting Scholar, ACRC, NCSA, University of Illinois at Urbana-Champaign, USA Conducted numerical analysis to predict multi-louvered fin performance for residential and automobile air-conditioning systems (using CFX) Industry & Research Experience 1/2007 8/2018 Senior Principal Mechanical Engineer Program Manager & Senior Leadership Team Member Independent Heat Exchanger Design Reviewer Advanced Distributor Products LLC, Lennox International Inc., USA 1. Research & Development Research & development of design and rating software for residential heat exchangers - C++ computer language based, user friendly, and visual software - Provides detailed information such as temperature, pressure drop, and segment performance Development of a customized and innovative heat transfer laboratory for heat exchanger design & optimization using pure refrigerant and water - Provides wide range of test conditions utilizing universal condensing unit concept - Quick change of test unit & refrigerant Research & development of performance test methodologies for residential heat exchangers - Able to separate air-side performance from overall performance for detailed analysis - Prototyping and testing Research & development of auto-brazing technology for copper & aluminum material - Develop high speed and quality auto-brazing technology Development of an advanced manufacturing process for aluminum heat exchangers Research & design aluminum heat exchangers with aluminum 9.52mm round tube Research & development of various parts for aluminum heat exchangers 2. Education Mentoring program for young engineers as a mentor Development of a training program for manual brazing and training instructors Development of a training program for auto-brazing and training engineers Offered HVAC 101 classes for technicians and engineers

3 3. Networking Discovered and fostered machine shop type companies to quickly make prototypes (Reduced prototype development period from 2 months to 2 weeks) Discovered and fostered small sized & dedicated manufacturers for parts and heat exchangers (Able to get quickly samples and test units for future research & development) Developed & led a successful partnership program with a start-up company for key components Recognized and supported software programmers familiar with HVAC & R systems Built strong relationships with multiple manufacturing equipment manufacturers Built strong relationships with several companies willing to support R & D projects regarding material development 7/1993-2/2002 Senior Research Engineer, Air-Conditioner Group, Digital Appliance Research Lab., LG Electronics Co., Seoul, Korea Research & development of fin & tube heat exchangers with 7mm & 5mm tubes (Fin shape design & refrigerant path design) Research & development of microchannel type condensers for residential air-conditioners Research & development of fin & tube heat exchangers with aluminum 9.52mm round tubes Research & development of air-conditioners using microchannel type condensers Research & development of microchannel type evaporators for residential air-conditioners Research Interests Advanced Coil (or Heat Exchanger) Manufacturing Technology Brazing Material & Technology Climate Control Systems Design Coil (or Heat Exchanger) Performance Test Laboratory Design & Rating Software for Heat Exchangers Energy Systems Optimization Heat and Mass Transfer, Electronic Cooling Heat Exchangers (Design, Ratings, Analysis and Reliability) Thermal Management Systems using Conventional and Alternative Natural Refrigerants Two-Phase Flow (Analysis and Visualization) Key Courses Advanced Thermodynamics, Advanced Fluid Dynamics Computational Fluid Dynamics, Advanced Convective Heat Transfer Advanced Conduction & Radiation Hydrodynamics, Viscous Flow, Energy Conversions (HVAC & CHP) Two-Phase Flow, Combustion, Theory of Vibrations, Project Management

4 Publications Dae-Hyun Jin and H.Y. Kim, " Study on the Heat Transfer Augmentation of Tube by Metal Mesh Insert ( EXPLOSAFE )," Spring-Fall Conference of The Korean Society of Mechanical Engineers, pp , B. Na, Dae-Hyun Jin and J.Y. Yun, " Optimum refrigerant flow pass in parallel flow type heat exchanger," Summer Conference of The Society of Air-Conditioning and Refrigerating Engineers of Korea (SAREK), pp , Dae-Hyun Jin, B. Na, D.Y. Jang, and J.Y. Yun, " Study on the heat transfer and pressure drop characteristics in the plain fin heat exchangers with round tube," Summer Conference of The Society of Air-Conditioning and Refrigerating Engineers of Korea (SAREK), pp , S.K. Oh, Dae-Hyun Jin, D.Y. Jang, S.Y. Oh, and K.S. Cho, " Development of a small bore tube heat exchanger," Summer Conference of The Society of Air-Conditioning and Refrigerating Engineers of Korea (SAREK), pp , Yunho Hwang, Dae-Hyun Jin and Reinhard Radermacher, " Comparison of hydrocarbon R-290 and two HFC blends R-404A and R-410A for medium temperature refrigeration applications," 15th Annual Earth Technologies Forum, Washington D.C., Yunho Hwang, Dae-Hyun Jin, Reinhard Radermacher, and John W. Hutchins, " Performance measurement of CO 2 heat exchangers, " Annual ASHRAE meeting, Denver, Yunho Hwang, Dae-Hyun Jin and Reinhard Radermacher, " Comparison of hydrocarbon R-290 and two HFC blends R-404A and R-410A for low temperature refrigeration applications," IIR Commercial Refrigeration Conference, Italy, Yunho Hwang, Dae-Hyun Jin and Reinhard Radermacher, " Comparison of R-290 and two HFC blends for walk-in refrigeration systems," International Journal of Refrigeration 30, pp , Yunho Hwang, Dae-Hyun Jin and Reinhard Radermacher, " Refrigerant Distribution in Minichannel Evaporator manifolds," An International Journal of Heating, Ventilation, Air-Conditioning and Refrigeration Research 13, pp , Skills Languages: English, Korean Software Tools: MS Office, EES, CFX, Fluent, and Pro-E Awards Korea Technology Mark in 2000 by Korean Ministry of Science and ICT (Development of fin & tube type heat exchangers with 5mm tube) 2010 ADP (Advanced Distributor Products LLC) Award of Excellence

5 (For individuals who significantly contribute to business success) 2011 ADP (Advanced Distributor Products LLC) Award of Excellence 2012 LII (Lennox International Inc.) Pacesetter Innovation Winner 2013 ADP (Advanced Distributor Products LLC) Award of Excellence 2014 ADP (Advanced Distributor Products LLC) Award of Excellence 2015 ADP (Advanced Distributor Products LLC) Award of Excellence 2016 ADP (Advanced Distributor Products LLC) Award of Excellence Patents US Patent number: (Hybrid Heat Exchanger) - Issued: June 21, 2016 US Patent number: (Hybrid Heat Exchanger) - Issued: March 17, 2015 US Patent number: (Refrigerant Compensator) - Issued: November 12, 2013 US Patent number: (Fin & Tube Type Heat Exchanger) - Issued: March 2, 2004 US Patent number: (Fin & Tube Type Heat Exchanger) - Issued: February 17, 2004 US Patent number: (Fin & Tube Type Heat Exchanger) - Issued: July 1, 2003 US Patent number: (Fin & Tube Type Heat Exchanger) - Issued: December 4, 2001 Activities Member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

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