Investigation of the Performance of a Heat Pump Using Waste Water as a Heat Source
AbstractIn this research, a water-water heat pump system using waste water as a heat source, a type that is not often used in Turkey and the World, was experimentally modeled. The experiments were performed under the conditions of simulated waste water temperature values of 20 °C, 30 °C and 40 °C. Inlet and outlet water temperatures of the evaporator and condenser, water flow rates in the evaporator and condenser circuits, pressures at the compressor inlet and outlet and power consumption of the system were measured. The heating coefficients of performance were calculated based on the measurements. It was found that the maximum temperature in the energy storage tank was about 50.6 °C. For the heat source temperatures of 20 °C, 30 °C and 40 °C, the heating coefficients of the performance of the system became 3.36, 3.43 and 3.69, respectively, 6 min. after the start time of the experiments and then they were decreased to 1.87, 1.83 and 1.77 with increasing water temperature in the condenser tank. The mean uncertainty value of the measurement parameters was found to be about ±2.47%. Finally, for the purpose of meeting hot water need as well as floor heating system requirements, it is seen that energy quality level of a waste low grade temperature heat source can be increased by using a heat pump system.
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Kahraman, A.; Çelebi, A. Investigation of the Performance of a Heat Pump Using Waste Water as a Heat Source. Energies 2009, 2, 697-713.
Kahraman A, Çelebi A. Investigation of the Performance of a Heat Pump Using Waste Water as a Heat Source. Energies. 2009; 2(3):697-713.Chicago/Turabian Style
Kahraman, Ali; Çelebi, Alaeddin. 2009. "Investigation of the Performance of a Heat Pump Using Waste Water as a Heat Source." Energies 2, no. 3: 697-713.