NDLI: Mathematical Modeling of Bubbler Humidifier for Humidification-Dehumidification ( HDH ) Water Desalination System

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Mathematical Modeling of Bubbler Humidifier for Humidification-Dehumidification ( HDH ) Water Desalination System

Content Provider	Semantic Scholar
Author	Abd-Ur-Rehman, Hafiz M. Al-Sulaiman, Fahad A.
Copyright Year	2015
Abstract	The scarcity of fresh water is an issue of high concern as most of the world population suffers from clean water shortage. One potential solution to tackle this issue is to develop efficient, reliable, and cost effective decentralized water desalination system to make the clean water accessible for most of the world population. Humidification-dehumidification (HDH) is a carrier gas based thermal technique that is ideal for a small scale decentralized water desalination system. An innovative design approach is to use the bubbler humidifier to enhance the performance of the HDH water desalination system. The aim of this work is to develop an analytical model for bubbler humidifier that can predict the heat and mass transfer without introducing any adjustable parameters. The effect of air inlet velocity, water column height, and perforated plate hole diameter on the heat and mass transfer is analyzed and engineering justifications are presented. Results indicate that the increase in air inlet velocity significantly enhance the heat and mass transfer coefficient. The increase in water column height and bubble diameters slightly decrease the total heat flux. The efficiency of humidifier in terms of water vapor contents in the air stream at the outlet of the humidifier is analyzed and findings showed that the increase in the temperature difference between the air and water stream increases the efficiency of the humidifier.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.wseas.us/e-library/conferences/2015/Malaysia/MECH/MECH-23.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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