A combined thermal power and cooling cycle proposed by Goswami is under intensive investigation, both theoretically and experimentally. The proposed cycle combines the Rankine and absorption refrigeration cycles, producing refrigeration while power is the primary goal. A binary ammonia-water mixture is used as the working fluid. This cycle can be used as a bottoming cycle using waste heat from a conventional power cycle or as an independent cycle using low temperature sources such as geothermal and solar energy. An experimental system was constructed to demonstrate the feasibility of the cycle and to compare the experimental results with the theoretical simulation. Results showed that the vapor generation and absorption condensation processes work experimentally, exhibiting expected trends, but with deviations from ideal and equilibrium modeling. The potential for combined turbine work and refrigeration output was evidenced in operating the system. Analysis of losses showed where improvements could be made, in preparation for further testing over a broader range of operating conditions.
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e-mail: gunnar@ufl.edu
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Technical Papers
Novel Combined Power and Cooling Thermodynamic Cycle for Low Temperature Heat Sources, Part II: Experimental Investigation
Gunnar Tamm,
e-mail: gunnar@ufl.edu
Gunnar Tamm
Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, Florida 32611-6300
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D. Yogi Goswami
e-mail: goswami@ufl.edu
D. Yogi Goswami
Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, Florida 32611-6300
Search for other works by this author on:
Gunnar Tamm
Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, Florida 32611-6300
e-mail: gunnar@ufl.edu
D. Yogi Goswami
Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, Florida 32611-6300
e-mail: goswami@ufl.edu
Contributed by the Solar Energy Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, June 2002; final revision, January 2003. Associate Editor: K. Den Braven.
J. Sol. Energy Eng. May 2003, 125(2): 223-229 (7 pages)
Published Online: May 8, 2003
Article history
Received:
June 1, 2002
Revised:
January 1, 2003
Online:
May 8, 2003
Citation
Tamm, G., and Goswami, D. Y. (May 8, 2003). "Novel Combined Power and Cooling Thermodynamic Cycle for Low Temperature Heat Sources, Part II: Experimental Investigation ." ASME. J. Sol. Energy Eng. May 2003; 125(2): 223–229. https://doi.org/10.1115/1.1564080
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