Title: Simulation of Compression/Absorption Hybrid Heat Pump System using Industrial Wastewater Heat Source
Abstract: In this study, in order to utilize the waste heat of industrial wastewater in the range of the relatively low temperature of 40~5 as a heat source, a hybrid heat pump system was considered by computer simulation method. In the simulation, an absorber, desorber and solution heat exchanger were modelled by UA values while a compressor and pump performance were specified by an isentropic efficiency. Simulation results show that the performance of hybrid heat pump can be up to 80% higher than that of conventional R134a heat pump when it makes a process hot water of 9 while the wastewater is cooled down to 2. As the absorber pressure increases, the system performance and deserter pressure increase with a favorable effect of a compressor discharge gas temperature drop.
Publication Year: 2004
Publication Date: 2004-01-01
Language: en
Type: article
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Cited By Count: 4
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