
Radermacher, Reinhard
Director, Center for Environmental Energy Engineering
Maryland Energy Innovation Institute
Center for Environmental Energy Engineering
EDUCATION
- Ph.D., Physics, Technical University Munich, Germany, 1981
- Diploma, Physics Technical University Munich, Germany, 1977
BACKGROUND
Dr. Radermacher is an internationally recognized expert in energy conversion systems; in particular integrated Cooling, Heating and Power (CHP) Systems, heat pumps, air-conditioners and refrigeration systems. His work has resulted in over 500 publications, including 3 books, more than 200 invention records and 15 patents. He was a visiting scientist and NATO scholar at the National Institute of Standards and Technology before joining the University of Maryland.
HONORS AND AWARDS
- 2015 J&E Hall Gold Medal, British institute of Refrigeration
- 2015 Gustav Lorentzen Medal, International Institute of Refrigeration
- 2006 ASHRAE Fellow
- 2004 ASHRAE Exceptional Service Award
- 2002 ASHRAE Distinguished Service Award
- 2001 Inductee, A. James Clark School of Engineering Innovation Hall of Fame
PROFESSIONAL MEMBERSHIPS
- Director, Center for Environmental Energy Engineering (CEEE)
- ASHRAE Member: TC 8.3 and 8.9, 1992-2019
- Program Chair, 1994-1996
- TC 8.3, Heat Activated Systems; held positions of Secretary, Vice Chair, and Chair
- IIR (International Institute of Refrigeration), President, Commission B2, 1999-2003
- U.S. Representative to International Energy Agency, Annex XIII, 1986-1990
- International Journal of Refrigeration, and Associate Editor (1998-2002)
- Editor-in-Chief (2002-2019) Science and Technology for the Built Environment, the Research Journal of ASHRAE
- Reviewer, Applied Thermal Engineering; International Journal of Heat and Mass Transfer; International Journal of Thermophysics; Numerical Heat Transfer, Chemical Engineering Research and Design, Part A; Transactions of the American Society of Heating, Refrigeration, and Air-Conditioning Engineers; Solar Energy Engineering; American Society of Mechanical Engineers, Transactions, and Conference Contributions
- International Institute of Refrigeration, Lifetime Member
- Conference Co-Chairman, International Sorption Heat Pump Conference, New Orleans, 1994, Denver, 2005, College Park 2014
Vapor Compression Air-conditioning Software for the Design and Optimization of Thermal Systems Heat Pumping and Refrigeration Systems Single and Multi-Stage Absorption and Adsorption Systems Conventional and Natural Working Fluids and Working Fluid Mixtures Solar Cooling Ocean Thermal Energy Technology Cooling, Heating and Power (CHP) Systems
2015
- Al-Alili, Ali; Hwang, Yunho; Radermacher, Reinhard, Performance of a desiccant wheel cycle utilizing new zeolite material: Experimental investigation, ENERGY Volume: 81 Pages: 137-145 Published: MAR 1 2015
- Qiao, Hongtao; Aute, Vikrant; Radermacher, Reinhard, Transient modeling of a flash tank vapor injection heat pump system - Part I: Model development, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 49 Pages: 169-182 Published: JAN 2015
- Qiao, Hongtao; Xu, Xing; Aute, Vikrant; Radermacher, Reinhard, Transient modeling of a flash tank vapor injection heat pump system - Part II: Simulation results and experimental validation, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 49 Pages: 183-194 Published: JAN 2015
2014
- Li, Gang; Hwang, Yunho; Radermacher, Reinhard, Experimental investigation on energy and exergy performance of adsorption cold storage for space cooling application, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 44 Pages: 23-35 Published: AUG 2014
- Al-Alili, Ali; Hwang, Yunho; Radermacher, Reinhard , A hybrid solar air conditioner: Experimental investigation, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 39 Special Issue: SI Pages: 117-124 Published: MAR 2014
- Huang, L; Lee, MS (Lee; Saleh, K; Aute, V; Radermacher, R, A computational fluid dynamics and effectiveness-NTU based co-simulation approach for flow mal-distribution analysis in microchannel heat exchanger headers, APPLIED THERMAL ENGINEERING Volume: 65 Issue: 1-2 Pages: 447-457 Published: APR 2014
2013
- Experimental investigation of energy and exergy performance of short term adsorption heat storage for residential application
- Saleh, K; Abdelaziz, O; Ante, V ; Radermacher, R; Azarm, S, Approximation assisted optimization of headers for new generation of air-cooled heat exchangers, APPLIED THERMAL ENGINEERING Volume: 61 Issue: 2 Special Issue: SI Pages: 817-824 Published: NOV 3 2013
- Lee, H; Hwang, Y; Radermacher, R; Chun, HH, Thermal and hydraulic performance of sinusoidal corrugated plate heat exchanger for low temperature lift heat pump, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 36 Issue: 3 Pages: 689-700 Published: MAY 2013
- Xu, Xing; Hwang, Yunho; Radermacher, Reinhard, Performance comparison of R410A and R32 in vapor injection cycles, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 36 Issue: 3 Pages: 892-903 Published: MAY 2013
- Li, G; Hwang, Y; Radermacher, R; Chun, HH, Review of cold storage materials for subzero applications, ENERGY Volume: 51 Pages: 1-17 Published: MAR 1 2013
- Gluesenkamp, Kyle; Hwang, Yunho; Radermacher, Reinhard, High efficiency micro trigeneration systems, APPLIED THERMAL ENGINEERING Volume: 50 Issue: 2 Special Issue: SI Pages: 1480-1486 Published: FEB 2013
2012
- Li, Gang; Hwang, Yunho; Radermacher, Reinhard, Review of cold storage materials for air conditioning application, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 35 Issue: 8 Pages: 2053-2077 Published: DEC 2012
- Lee, Hoseong; Saleh, Khaled; Hwang, Yunho; Radermacher, Reinhard, Optimization of novel heat exchanger design for the application to low temperature lift heat pump, ENERGY Volume: 42 Issue: 1 Pages: 204-212 Published: JUN 2012
- Al-Alili, A; Hwang, Y; Radermacher, R; Kubo, I, A high efficiency solar air conditioner using concentrating photovoltaic/thermal collectors, APPLIED ENERGY Volume: 93 Special Issue: SI Pages: 138-147 Published: MAY 2012
- Al-Alili, A ; Islam, MD; Kubo, I; Hwang, Y; Radermacher, R, Modeling of a solar powered absorption cycle for Abu Dhabi, APPLIED ENERGY Volume: 93 Special Issue: SI Pages: 160-167 Published: MAY 2012
2011
- Somers, C; Mortazavi, A ; Hwang, Y; Radermacher, R ; Rodgers, P; Al-Hashimi, S, Modeling water/lithium bromide absorption chillers in ASPEN Plus, APPLIED ENERGY Volume: 88 Issue: 11 Pages: 4197-4205 Published: NOV 2011
- Alabdulkarem, A; Mortazavi, A; Hwang, Y; Radermacher, R; Rogers, P; Optimization of propane pre-cooled mixed refrigerant LNG plant, APPLIED THERMAL ENGINEERING Volume: 31 Issue: 6-7 Pages: 1091-1098 Published: MAY 2011
- Xu, Xing; Hwang, Yunho; Radermacher, Reinhard, Refrigerant injection for heat pumping/air conditioning systems: Literature review and challenges discussions, INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID Volume: 34 Issue: 2 Pages: 402-415 Published: MAR 2011
2010
- Fernandez, N., Y. Hwang, R. Radermacher, "Comparison of CO2 Heat Pump Water Heater Performance with Baseline Cycle and Two High COP Cycles," International Journal of Refrigeration, Vol. 33, pp. 635-644, 2010.
- Aynur, T., Y. Hwang, R. Radermacher, "Field Performance Measurements Of A Heat Pump Desiccant Unit in Humidification Mode," Energy and Buildings, In Press, Vol. 42, Issue 5, pp. 678-683, May 2010.
- Aynur, T., Y. Hwang, R. Radermacher, "Integration of VRF and Heat Pump Desiccant Systems for the Heating Season," Energy and Buildings, Vol. 42, Issue 4, pp. 468-476, April 2010.
- Aynur, T., Y. Hwang, R. Radermacher, "Integration of VRF and Heat Pump Desiccant Systems for the Cooling Season," Applied Thermal Engineering, Vol. 30, Issues 8-9, pp. 917-927, June 2010.
2009
- Nayak, S., Y. Hwang, R. Radermacher, "Performance Characterization of Gas Engine Generator Integrated With a Liquid Desiccant Dehumidification System," Applied Thermal Engineering, Vol. 29, February 2009.
- Aynur, T., Y. Hwang, R. Radermacher, "Simulation Comparison of VAV and VRF Air Conditioning Systems in an Existing Building for the Cooling Season," Energy in Buildings, Vol. 41, Issue 11, pp. 1143-1150, November 2009 .
- Kalinowski, Y. Hwang, R. Radermacher, S. Al Hashimib, P. Rodgers, "Application of Waste Heat Powered Absorption Refrigeration System to the LNG Recovery Process," International Journal of Refrigeration, Vol. 32, Issue 4, pp. 687-694, June 2009.
- Wang, X., Y. Hwang, R. Radermacher, "Two-Stage Heat Pump System with Vapor-Injected Scroll Compressor Using R410A as a Refrigerant," International Journal of Refrigeration, Vol. 32, pp. 1442-1451, 2009.
- Aynur, T., Y. Hwang, R. Radermacher, "Simulation of a VAV Air Conditioning System in an Existing Building for the Cooling Mode," Energy and Buildings, Vol. 41, pp. 922-929, 2009.
- Nayak, S., Y. Hwang, R. Radermacher, "Performance Characterization of Gas Engine Generator Integrated with a Liquid Desiccant Dehumidification System," Applied Thermal Engineering, Vol. 29, pp. 479-490, 2009.
2008
- Wang, X., Y. Hwang, R. Radermacher, "Investigation of Potential Benefits of Compressor Cooling," Applied Thermal Engineering, Vol. 29, October 2008.
- Hwang, Y., R. Radermacher, T. Hirata, "Oil Mass Fraction Measurement of CO2/PAG Mixture," International Journal of Refrigeration, Vol. 31, March 2008.
- Winkler J, V. Aute, R. Radermacher, "Comprehensive Investigation of Numerical Methods in Simulating a Steady-State Vapor Compression System," International Journal of Refrigeration, Vol. 31, Issue 5, pp. 930-942, August 2008.
- Hwang, Y., R. Radermacher, A. Al-Alili, I. Kubo, "Review of Solar Cooling Technologies," HVAC&R Research, Vol. 14, No. 3, pp. 507-528, 2008.
- Gado, A., Y. Hwang, R. Radermacher, "Dynamic Behavior of Mobile Air Conditioning Systems," HVAC&R Research, Vol. 14, No. 2, 2008.
- Aynur, T., Y. Hwang, R. Radermacher, "Field Performance Measurements of a Heat Pump Desiccant Unit in Dehumidification Mode," Energy and Buildings, Vol. 40, pp. 2141-2147, 2008.
2007
- Winkler, J., V. Aute, R. Radermacher, "Comprehensive Investigation of Numerical Methods in Simulating a Steady-State Vapor Compression System," International Journal of Refrigeration, September 2007.
UMD ME Faculty Ranked in Top 2% of Scientists Worldwide
The department is home to some of the most widely-cited researchers in their fields.CEEE: Three Decades of Innovation
The UMD-based center marked its 30th anniversary at a gala event on June 9.Celebrating Two Decades of Partnership in Energy Education
Campus energy provider ENGIE concludes its 20th year of support for UMD engineering students.Cremaschi Appointed Auburn's Director of Undergraduate Research
UMD mechanical engineering alum to create further opporturtunites for impactfrul student research.UMD receives two new DOE Building Technologies awards
Takeuchi and Aute to lead projectsFailure is an Option
Alumni Profile: Cara MartinClark School Opens New Daikin Energy Innovation Laboratory
The Clark School formally opened the Daikin Energy Innovation Laboratory in honor of its more than 20-year partnership with global manufacturer Daikin.David Catalini Awarded Graduate Student Summer Research Fellowship
Plans to make significant strides in his research on elastocaloric cooling.Kailkhura and Vathsavai Win Best Consortium Student Presentation Award, Spring 2019
Research sponsors voted theirs best out of 15 presentations.Investing in Innovative Energy Technologies
2019 Energy Innovation Seed Grants awardedEight mechanical engineering students accepted to Future Faculty Program
The program prepares students to achieve career-long success in academia as educators and researchers.RoCo Advances to Beta Test Before Public Launch
Roving comforter offers personal cooling and significant energy savings.Lei Gao Admitted into the Future Faculty Program
Research topic is on micro-grid system optimization.CEEE Researchers Win ASHRAE Best Paper Award
Chosen as best out of 107 papers published in 2017 in Science and Technology for the Built Environment.Dr. Vikrant Aute Wins Provost’s Excellence Award for Professional Track Faculty
Recognized for his outstanding contributions in research.2018 ARPA-E Summit to Showcase UMD Innovations
UMD Energy Innovation Technologies dominateInaugural Energy Innovation Seed Grants awarded
$100K grants promote energy innovation technologyMechanical Engineering at ASME IMECE Conference
Professor Radermacher was a plenary speaker and ME alumnus Ryan Kennett won Best Student Paper at this year’s conference.Catalini and Leininger win 2017 GDF-Suez Chuck Edwards Memorial Fellowships
Fellowships of $25,000 each help fund the students’ research.Researchers Introduce RoCo, a Mobile Personal Heating and Cooling Device
UMD Invention Has Potential to Cut Energy Costs in Residential and Large Building ACUMD and Mobile Comfort demonstrate robotic cooling machine at 2017 ARPA-E Technology Showcase
UMERC is a multidisciplinary initiative dedicated to advancing the frontiers of energy science and technology.Five Mechanical Engineering Graduate Students Selected for Clark School Future Faculty Program
Graduate students selected for program designed to produce next great engineering professors.The University of Maryland Receives $50,000 Grant from Dominion Foundation
Award supports new research on high efficiency solar-powered cooling systems.UMD Startup To Solve Energy Conversion Challenges in Thermal Systems
Optimized Thermal Systems provides engineering consulting for HVAC&R systems.UMD Teams Awarded Over $5 Million to Improve Power Plant Cooling Technologies
The U.S. Energy Department’s Advanced Research Projects Agency-Energy (ARPA-E) funds two UMD teams to improve power plant cooling efficiency.Radermacher to Receive IIR Gustav Lorentzen Medal
The International Institute of Refrigeration recognizes Professor Reinhard Radermacher for his contributions to the field of refrigeration.Radermacher Receives Institute of Refrigeration J&E Hall Gold Medal
Reinhard Radermacher recognized for pushing research frontiers in energy efficiency and environmentally sustainable thermal systems.Saving Energy with ‘Personal HVAC Systems’
UMD awarded more than $5 million by ARPA-E to fund potentially transformational research.Radermacher and Hwang Awarded New Patent
Mechanical Engineering professors awarded patent for advancements in air conditioning technology.UMD Researchers Win $1.5 Million Department of Energy Award to Improve Home Cooling Efficiency
The Center for Environmental Energy Engineering to collaborate with the Oak Ridge National Laboratory.Professor Reinhard Radermacher to Receive Distinguished International Service Award
Mechanical Engineering Professor honored for contributions to international institutional programs.