Modeling and optimal design of evaporative cooling system in controlled environment greenhouse.

Title:Modeling and optimal design of evaporative cooling system in controlled environment greenhouse.
Authors:Jain, Dilip1
Tiwari, Gopal Nath gntiwari@ces.iitd.ernet.in
Source:Energy Conversion & Management; Nov2002, Vol. 43 Issue 16, p2235, 16p
Document Type:Article
Subject Terms:*GREENHOUSES
*MATHEMATICAL models
*EVAPORATIVE cooling
Author-Supplied Keywords:Greenhouse
Controlled environment
Solar energy
Evaporative cooling
Abstract:This communication deals with the development of a mathematical model for experimental validation of the thermal behavior in the greenhouse after evaporative cooling. Extensive experiments have been performed during July to October 2000 for an even span greenhouse of effective floor area of 24 m² and having a brick north wall. A parametric study involves the area of the cooling pad (height of cooling pad and greenhouse), mass flow rate and length of greenhouse. The optimum value of various parameters has also been determined. A computer program based on MatLab software has been used to predict the temperature profile as a function of various design parameters. The predicted room temperature of various zones shows fair agreement with the experimental values. [Copyright 2002 Elsevier]
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Author Affiliations:1Center for Energy Studies, Indian Institute of Technology, Hauz Khas, New Delhi 110 016, India
ISSN:0196-8904
Accession Number:7837331

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