Numerical Calculation of the Air Temperature Change in the Soil-Air Heat Exchange System
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概要
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The soil-air heat exchange system is consisted of many pipes which are used as the heat exchangers and buried in the soil.For burying the pipes, it is necessary to calculate for the amount of the heat exchanged between soil and air flowing through the pipes. But, there is no method for the numerical calculation.In order that the system of soil-air heat exchange is to be recommended for controlling the air temperature in the greenhouse under the saving of the energy use, therefore, the method for the numerical calculation is urgent to be established.Using the experimental result of the surface coefficient of heat tsansfer in this paper, the exhaust air temperature was calculated from the intake air temperature.It was obvious that the calculated results agreed well with the experimental results. The authors concluded that the method by which the exhaust air temperature could be calculated from the intake air temperature was obtained.
- 農業施設学会の論文
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