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The effect of insect-proof screens in roof openings on greenhouse microclimate
Year:
2001
Authors :
Teitel, Meir
;
.
Volume :
110
Co-Authors:
Teitel, M., Volcani Center, Agricultural Engineering Intstitute, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50250, Israel
Facilitators :
From page:
13
To page:
25
(
Total pages:
13
)
Abstract:
Experimental data from a wind tunnel, was used to compare three available methods to predict the pressure drop through screens. Advantages and drawbacks of each method are discussed. Two of the methods are based on equations that were derived for flow through porous media and the third is based on Bernoulli's equation. It is shown that comparing different screens by plotting their pressure drop versus the upstream velocity may be misleading. Experiments in a roof-ventilated greenhouse with leeward roof openings revealed the obstruction offered by fine mesh screens to flow through the openings, and the resulting higher temperature and humidity within the greenhouse. © 2001 Published by Elsevier Science B.V.
Note:
Related Files :
Greenhouse microclimate
Insect-proof screens
Insecta
Pressure drop, microclimate
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More details
DOI :
10.1016/S0168-1923(01)00280-5
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
27583
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:32
Scientific Publication
The effect of insect-proof screens in roof openings on greenhouse microclimate
110
Teitel, M., Volcani Center, Agricultural Engineering Intstitute, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50250, Israel
The effect of insect-proof screens in roof openings on greenhouse microclimate
Experimental data from a wind tunnel, was used to compare three available methods to predict the pressure drop through screens. Advantages and drawbacks of each method are discussed. Two of the methods are based on equations that were derived for flow through porous media and the third is based on Bernoulli's equation. It is shown that comparing different screens by plotting their pressure drop versus the upstream velocity may be misleading. Experiments in a roof-ventilated greenhouse with leeward roof openings revealed the obstruction offered by fine mesh screens to flow through the openings, and the resulting higher temperature and humidity within the greenhouse. © 2001 Published by Elsevier Science B.V.
Scientific Publication
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