Mechanical Engineering Faculty Profile:

Dr. Reinhard Radermacher
Minta Martin Professor of Engineering
Director, Center for Environmental Energy Engineering

4164 Glenn L. Martin Hall, Building 088
University of Maryland
College Park, MD 20742

Phone: 301.405.5286
Fax: 301.405.2025
Email: raderm@umd.edu
Website

Research Interests

Vapor Compression Air-conditioning, 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, Software for the Design and Optimization of Thermal Systems.

Vita

Dr. Radermacher, Director of the Center for Environmental Energy Engineering (CEEE), 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 250 publications, including 3 books, numerous invention records and 10 patents. He was a visiting scientist and NATO scholar at the National Institute of Standards and Technology before joining the University of Maryland.  He is an ASHRAE Fellow and serves as the editor of the ASHRAE HVAC&R Research Journal.

Education

Ph.D., Physics, Technical University Munich, Germany, 1981
M.S., Physics Technical University Munich, Germany, 1977

Select Publications

• 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.
• 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.
• 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.
• 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.

Scientific and Professional Membership

Director, Center for Environmental Energy Engineering (CEEE); ASHRAE Fellow, 2006; ASHRAE Member: TC 7.1, Refrigerators, 1992-1999; 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 (2002-present) HVAC&R 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; Conference Co-Chairman, International Sorption Heat Pump Conference, Denver, 2005; Conference Co-Chairman, Int. Absorption Heat Pump Conference, New Orleans, 1994.

Honors and Awards

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; William E. Kirwan Inventor of the Year Award, 1997; Faculty Achievement Award, ERC, 1996; Invention of the Year Award, 1995.

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