Effect of Operating Conditions on Optimal Performance of Rotary Dehumidifiers

[+] Author and Article Information
W. Zheng, W. M. Worek

The University of Illinois at Chicago, Department of Mechanical Engineering (m/c 251), 842 West Taylor Street, Chicago, IL 60607-7022

D. Novosel

Gas Research Institute, Chicago, IL 60631-3562

J. Energy Resour. Technol 117(1), 62-66 (Mar 01, 1995) (5 pages) doi:10.1115/1.2835322 History: Received March 14, 1994; Revised November 15, 1994; Online January 22, 2008


The design-point dehumidification performance (i.e., at ARI conditions) of a rotary dehumidifier wheel depends on its rotational speed, the sorption properties of the desiccant, the heat and mass transfer characteristics of the matrix, and the size of the dehumidifier. However, the real operating conditions of a rotary dehumidifier can vary significantly from the design point, given the large variations in operating conditions (i.e., the outdoor, indoor, and regeneration temperatures and humidities) for various locations during different times of the year. This paper investigates the variability of the dehumidification performance of a rotary dehumidifier and its dependence on operating conditions. Also, the effect of the operating conditions on the optimum rotational speed of a rotary dehumidifier, where the performance of a rotary dehumidifier is optimized, is described.

Copyright © 1995 by The American Society of Mechanical Engineers
Topics: Dehumidifiers
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