Research and Analysis on Cooling Capacity of Temperature Adjustment Equipments in Agricultural Multi-span Greenhouse

Dong Wang and Xiaohu Yang

Asian Agricultural Research, 2017, vol. 09, issue 11

Abstract: The high summer indoor temperature in agricultural greenhouse is not conducive to crop growth, so it is necessary to cool the greenhouse. In this study, taking the agricultural multi-span greenhouse with strong temperature adjustment ability for example, we make an experimental analysis on the temperature changes inside and outside the greenhouse under nine different equipment combinations (fan, skylight, sunshade, sunshade+fan, cooling pad+fan, skylight+fan, sunshade+skylight, sunshade+fan+cooling pad, sunshade+skylight+fan), respectively, and conduct the overall assessment on the measures to cool the summer agricultural greenhouse, in order to provide a reference for selecting a cost-effective cooling method for greenhouse. Tests show that the three treatment modes of fan, sunshade and sunshade+fan almost have no cooling capacity; skylight, sunshade+skylight have cooling capacity, but the effect is slow; cooling pad+fan, sunshade+skylight+fan can reduce the indoor temperature, but the effect is not very good; skylight and fan have good cooling effect; sunshade+fan+cooling pad has obvious cooling effect, which can well meet the cooling needs in the summer greenhouse.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:ags:asagre:267792

DOI: 10.22004/ag.econ.267792

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