Impact of design parameters on solar open cycle liquid desiccant regenerator performance
- Florida Solar Energy Center, Cocoa, FL (United States). Advanced Technologies Div.
This paper presents the impact of air flow rate and glazing height on the regeneration of a liquid desiccant. The desiccant studied is a mixture of calcium chloride and water. Desiccant regeneration is achieved by heating the solution under a glazed collector while in direct contact with a counter flow air stream. Data are collected on a test bed of two identical collector/regenerators. The test bed allows the study of parameters under identical ambient conditions. Decreasing air flow rate from 16.11 to 11.44 kg/m{sup 2} hr only results in 2.2% less water being removed from solution. However, decreasing from 11.45 to 8.15 kg/m{sup 2} hr results in a 12.1% decrease in performance, indicating a point of diminishing returns. Reducing the glazing height from 15.7 to 6.7 cm results in an 8.1% increase in performance, but reducing glazing height from 15.7 to 4.1 cm results in a 5.1% decrease, indicating an optimum between 15.7 and 4.1 cm.
- DOE Contract Number:
- FC36-86SF16305
- OSTI ID:
- 412105
- Report Number(s):
- CONF-960430--; ISBN 0-89553-168-2
- Country of Publication:
- United States
- Language:
- English
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