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Temperature distribution in different zones of the micro-climate of a greenhouse: a dynamic model

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Author: Sharma, P K; Tiwari, G N; Sorayan, V P S

Advisor: Advisor

Date: 1999

Publisher:
Citation: Energy Con

Series/Report no.:
Item Type: Article

Keywords: Greenhouse; Solar energy; Micro-climate

Abstract: This communication presents a dynamic model for determination of plant and the enclosed room air temperature in different zones of the micro-climate of a greenhouse. The numerical analysis and the experimental validation of the model have been done for a typical winter day of the month of December in Delhi, India. The parametric study has been presented for the effects of infiltration (number of air changes/hr), heat capacity of plants (isothermal mass) and greenhouse relative humidity (g) on plant and enclosed room air temperatures. It is observed that there is a more significant effect of heat capacity of the plant and the relative humidity on the plant temperature than that on the room air temperature. In addition, there is a marginal temperature difference in different zones of the greenhouse. There is fair agreement between the theoretical and experimental observations of room air temperature.
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Shankar B. Chavan
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shankar.chavan@library.iitd.ac.in
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Shankar B. Chavan
Computer Applications Division
Central Library, IIT Delhi
shankar.chavan@library.iitd.ac.in
NDLTD
Shodhganga
NDL
ePrints@IISc
etd@IISc
IR@IIT Bombay
NewsClips @IITD
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