NDLI: Heat-transfer modeling as a design tool for improving solar water disinfection (SODIS) containers

Content Provider	Springer Nature Link
Author	Sukkasi, Sittha Akamphon, Sappinandana
Copyright Year	2013
Abstract	A simplified heat-transfer model has been developed to effectively simulate thermal performance of water containers used in solar water disinfection (SODIS) applications. The purpose of the model is to facilitate accurate, fast, and uncomplicated prediction of thermal performance of different SODIS-container designs and configurations, enabling developers to analyze new design ideas without the needs for field experiments, which are typically cumbersome and difficult to compare. The model utilizes electromagnetic absorption coefficients and other thermal properties of container materials, and water to establish control-volume heat-transfer equations that can predict the water temperature. The model’s simulated results of basic container designs agreed reasonably well with experimental results. Preliminary enhancements to the water container design were implemented—namely painting the container’s underside black and covering the container with a clear plastic bag—with the aim to achieve higher disinfection efficacy through higher water temperatures, in accordance with the fundamentals of SODIS mechanisms. The heat-transfer model predicted that both design enhancements would significantly increase the water temperature, with the black coating being more effective. Subsequent field experiments confirmed the model’s predictions.
Starting Page	1773
Ending Page	1780
Page Count	8
File Format	PDF
ISSN	1618954X
Journal	Clean Technologies and Environmental Policy
Volume Number	16
Issue Number	8
e-ISSN	16189558
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Solar water disinfection Heat transfer modeling Container design Sustainable Development Industrial Chemistry/Chemical Engineering Industrial and Production Engineering Environmental Engineering/Biotechnology Environmental Economics
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Economics and Econometrics Business, Management and Accounting Management, Monitoring, Policy and Law

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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