Shukla, Ashish  ORCID: https://orcid.org/0000-0001-9841-9931, Tiwari, G. N. and Sodha, M. S.
2008.
Experimental study of effect of an inner thermal curtain in evaporative cooling system of a cascade greenhouse.
Solar Energy
82
(1)
, pp. 61-72.
10.1016/j.solener.2007.04.003
|
Abstract
In this paper experimental study has been carried out in a cascade greenhouse with inner thermal curtain to see the effect of thermal curtain. A thermal model has also been developed to predict the air temperature in a cascade greenhouse. The fan-pad system has been used for evaporative cooling and an inner thermal curtain has been used to divide the greenhouse in two zones. Experiments have been conducted in hot summer conditions at Solar Energy Park, IIT Delhi, New Delhi, India for empty greenhouse. Statistical analysis has been carried out to validate the agreement of experimental observations with predicted values. The values of the root mean square percent deviation and coefficient of correlation has been found out 9.0%, 0.90; 5.0%, 0.95 and 7.0%, 0.97 for April, May and June in case of evaporative cooling without curtain in greenhouse-2. The degree of freedom for the experimental work is 10.0. It is found that the use of evaporative cooling with a thermal curtain reduces the temperature of greenhouse by 5 °C and 8 °C in the second zone of greenhouse-1 and 2 in comparison to greenhouse without curtain in May.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Architecture |
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering |
| Uncontrolled Keywords: | Thermal curtain; Evaporative cooling; Cascade greenhouse |
| Publisher: | Elsevier |
| ISSN: | 0038-092X |
| Last Modified: | 18 Oct 2022 13:39 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/14803 |
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