In critical situations such as floods and earthquakes, the relief forces require a refrigeration for pharmaceuticals and vaccines, which could operate without an electrical energy and the alternative energies, such as solar energy, engine exhaust gases heat, and wind energy. In this paper, a refrigeration cycle has been modeled as an adsorption refrigeration cycle with an activated carbon/methanol as adsorbent/adsorbate pair and two sources of energy—solar energy and engine exhaust gases heat. The solar cycle had a collector with area of 1 m2 and the exhaust gas cycle included a heat exchanger with 100 °C temperature difference between inlet and outlet gases. The temperature profile in adsorbent bed, evaporator, and condenser was obtained from modeling. Moreover, the pressure profile, overall heat transfer coefficient of collector and adsorbent bed, concentration, and the solar radiation were reported. Results represented the coefficient of performance (COP) of 0.55, 0.2, and 0.56 for complete system, solar adsorption refrigeration, and exhaust heat adsorption refrigeration, respectively. In addition, exhaust heat adsorption refrigeration has a value of 2.48 of specific cooling power (SCP). These results bring out a good performance of the proposed model in the climate of Iran.
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September 2016
Research-Article
Modeling of a Refrigerator in Disaster Vehicle, Using Solar Energy and Engine Exhaust Gases Heat
Shahram Derakhshan,
Shahram Derakhshan
School of Mechanical Engineering,
Iran University of Science and Technology,
Tehran 16846, Iran
e-mail: shderakhshan@iust.ac.ir
Iran University of Science and Technology,
Tehran 16846, Iran
e-mail: shderakhshan@iust.ac.ir
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Alireza Yazdani
Alireza Yazdani
School of Mechanical Engineering,
Iran University of Science and Technology,
Tehran 16846, Iran
Iran University of Science and Technology,
Tehran 16846, Iran
Search for other works by this author on:
Shahram Derakhshan
School of Mechanical Engineering,
Iran University of Science and Technology,
Tehran 16846, Iran
e-mail: shderakhshan@iust.ac.ir
Iran University of Science and Technology,
Tehran 16846, Iran
e-mail: shderakhshan@iust.ac.ir
Alireza Yazdani
School of Mechanical Engineering,
Iran University of Science and Technology,
Tehran 16846, Iran
Iran University of Science and Technology,
Tehran 16846, Iran
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received August 8, 2015; final manuscript received April 9, 2016; published online June 14, 2016. Assoc. Editor: Mohamed A. Habib.
J. Energy Resour. Technol. Sep 2016, 138(5): 052008 (10 pages)
Published Online: June 14, 2016
Article history
Received:
August 8, 2015
Revised:
April 9, 2016
Citation
Derakhshan, S., and Yazdani, A. (June 14, 2016). "Modeling of a Refrigerator in Disaster Vehicle, Using Solar Energy and Engine Exhaust Gases Heat." ASME. J. Energy Resour. Technol. September 2016; 138(5): 052008. https://doi.org/10.1115/1.4033586
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