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主页 旧刊 有关人员 未来大会 American Society of Thermal and Fluids Engineering

ISSN 在线: 2379-1748

ISBN 打印: 978-1-56700-517-2 (Flash drive)

5-6th Thermal and Fluids Engineering Conference (TFEC)
May, 26–28, 2021 , Virtual

PARAMETRIC ANALYSIS BETWEEN CLOSED AIR OPEN WATER (CAOW) AND CLOSED WATER OPEN AIR (CWOA) HDH CYCLES

Get access pages 447-455
DOI: 10.1615/TFEC2021.ens.036676

摘要

Water scarcity affects 88 developing countries where half of the world's population lives. Some of the regions in these countries may require the decentralised supply of freshwater, which may require purification of wastewater, using a low-cost water purification process, driven by waste heat or solar energy, and having less maintenance. Humidification-dehumidification (HDH) desalination has the potential to be the ideal technology for such regions of the world. In this paper, water-heated closed air open water HDH system will be discussed. The performance of this cycle is compared with another configuration of the HDH cycle where water remains in a closed cycle. This paper compares the performance of both these cycles by evaluating gained output ratio (GOR) and distillate production rate (d) as a function of the various vital variables related to HDH system. These variables are mass flow rate ratio (w/ṁa), inlet temperature of saline water, dry bulb and wet bulb temperatures of air, effectiveness of heat and mass exchange devices (humidifier and dehumidifier).
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