The design and experimental investigation of membrane-based tubular liquid desiccant dehumidification system

Abstract

In this paper, membrane-based tubular liquid desiccant dehumidification system was designed, and its dehumidification performance was investigated. In the manufactured system, two different membranes, synthetic sausage casing and Tyvek & REG; Solid were used. The air Reynolds number (Re) was varied during the experiments to investigate effect of air velocity on the system performance. In addition, temperature changes in the membrane were observed by images taken with thermal camera. According to the experimental data obtained, the dehumidification efficiency of the system was calculated in between 4.5-6% at 200 Re number for synthetic sausage casing and approximately 18.5% at the same Re number for Tyvek & REG; Solid.