COMPUTER SIMULATION OF HEATING REQUIREMENT AND EVALUATION OF THE EFFECTS OF PERMANENT AND MOVABLE EXTERNAL THERMAL INSULATIONS ON ENERGY CONSERVATION IN GREENHOUSES.
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作者:
Arinze, E.A.
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Ahmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, NigeriaAhmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, Nigeria
Arinze, E.A.
[1
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Schoenau, G.J.
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Ahmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, NigeriaAhmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, Nigeria
Schoenau, G.J.
[1
]
Besant, R.W.
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Ahmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, NigeriaAhmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, Nigeria
Besant, R.W.
[1
]
机构:
[1] Ahmadu Bello Univ, Zaria, Nigeria, Ahmadu Bello Univ, Zaria, Nigeria
In this study, a method of simulating heating requirements in greenhouses is presented, and the method was used to evaluate the effects of permanent and movable external thermal insulations on heating requirements onenergy conservation in ten new and conventional greenhouse designs. A greenhouse heating requirement (heat loss) computer simulation model was developed by using basic energy conservation and heat transfer principles. The computer model was used to simulate energy consumption in the ten greenhouses and a test greenhouse designed and built at the University of Saskatchewan, Saskatoon, Sask. , Canada. The effectiveness of applied thermal insulations was found to be a strong function of outdoor temperatures and day-length for a given location. The computer model can be used to estimate greenhouse heating requirements under varied operating and weather conditions in any given location.