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Impacts of Water Loop Management on Simultaneous Heating and Cooling in Coupled Control Air Handling Units
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The impacts of the water loop management on the heating and cooling energy consumption are investigated by using model simulation. The simulation results show that the total thermal energy consumption can be increased by 24% for a typical AHU in San Antonio, Texas when the differential pressure is increased from 7 psi to 21 psi for both chilled water and hot water loops. It appears that significant amounts of energy consumption can be reduced by improving the differential pressure of water loops. This paper presents the system model, methods, and the results.
Guan, W.; Liu, M.; Wang, J. (1998). Impacts of Water Loop Management on Simultaneous Heating and Cooling in Coupled Control Air Handling Units. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from