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AC-02-04-4 -- Use of Joint-Frequency Weather Data to Determine Primary Energy Consumption of Desiccant Systems
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AC-02-04-4 -- Use of Joint-Frequency Weather Data to Determine Primary Energy Consumption of Desiccant Systems
Conference Proceeding by ASHRAE, 2002
Chun Keung "Francis" Wong, William M. Worek, Ph.D., P.E., Paul L. Brillhart, Ph.D.
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Using weather data in a joint-frequency bin format, the source energy consumption of a desiccant system and a desiccant system utilizing an enthalpy wheel with and without ventilation air bypass were investigated. The calculations were performed for Atlanta, Georgia. In addition to the Source Energy Ventilation Load Index (SEVLI), the time-weighted-average outlet psychrometric conditions for each system are determined. The results show the advantages of using an enthalpy wheel as a preconditioning device in conjunction with a desiccant system and the necessity of adding a bypass loop to a desiccant system in order to provide ventilation air at space neutral conditions.
Units: Dual
Citation: Symposium Papers, Atlantic City, 2002