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Performance of a Combined Organic Rankine Cycle and Vapor Compression Cycle for Heat Activated Cooling

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dc.creator Wang, Hailei
dc.creator Peterson, Richard
dc.creator Harada, Kevin
dc.creator Miller, Erik
dc.creator Ingram-Goble, Robbie
dc.creator Fisher, Luke
dc.creator Yih, James
dc.creator Ward, Chris
dc.date.accessioned 2011-06-09T22:20:40Z
dc.date.available 2011-06-09T22:20:40Z
dc.date.issued 2011-01
dc.identifier.citation Wang, H., Peterson, R., Harada, K., Miller, E., Ingram-Goble, R., Fisher, L., & Yih, J. (2011, January). Performance of a Combined Organic Rankine Cycle and Vapor Compression Cycle for Heat Activated Cooling. Energy, 36(1), 447-458. doi:10.1016/j.energy.2010.10.020 en_US
dc.identifier.uri http://hdl.handle.net/1957/21693
dc.description This is the authors' final peer-reviewed manuscript as accepted for publication by Elsevier. Copyrighted and published by Elsevier, this article can be found at: http://www.elsevier.com/wps/find/journaldescription.cws_home/483/description#description en_US
dc.description.abstract Heat activated cooling has the potential of utilizing thermal sources that currently go unused such as engine exhaust heat or industrial waste heat. Using these heat sources can provide enhanced energy utilization and reduced fuel usage in applications where cooling is needed. The concept developed here uses waste heat from stationary and mobile engine cycles to generate cooling for structures and vehicles. It combines an organic Rankine cycle (ORC) with a conventional vapor compression cycle. A nominal 5 kW cooling capacity prototype system was developed based on this concept and tested under laboratory conditions. In order to maintain high system performance while reducing size and weight for portable applications, microchannel based heat transfer components and scroll based expansion and compression were used. Although the system was tested off of its design point, it performed well achieving 4.4 kW of cooling at a measured heat activated COP of 0.48. Both the conversion and 2nd law efficiencies were close to the model results, proving it to be an attractive technology. The measured isentropic efficiency of the scroll expander reached 84%, when the pressure ratio was close to the scroll intrinsic expansion ratio. The reduced cooling capacity was attributed to off design operation. en_US
dc.description.sponsorship US Army Communications-Electronics Research, Development, and Engineering Center (CERDEC) through the Tactical Energy System program. en_US
dc.language.iso en_US en_US
dc.publisher Elsevier en_US
dc.relation.ispartofseries Energy en_US
dc.relation.ispartofseries Vol. 36, No. 1 en_US
dc.subject Organic Rankine cycle en_US
dc.subject ORC en_US
dc.subject Heat activated cooling en_US
dc.subject Waste heat recovery en_US
dc.subject Scroll expander en_US
dc.subject Microchannel en_US
dc.title Performance of a Combined Organic Rankine Cycle and Vapor Compression Cycle for Heat Activated Cooling en_US
dc.type Article en_US
dc.description.peerreview yes en_US
dc.identifier.doi 10.1016/j.energy.2010.10.020

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