太陽熱利用もみ乾燥の実用化に関する研究　ＩＶ　　太陽熱乾燥の経済性

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  • Studies on the practical application of solar energy to rice drying. (Part 4) A profitability of solar grain drying.
  • タイヨウ ネツ リヨウモミ カンソウ ノ ジツヨウカ ニ カンスル ケンキュウ
  • A Profitability of Solar Grain Drying
  • 太陽熱乾燥の経済性

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The method was described to evaluate the economic efficiency of a solar drying system and the trial calculation example was shown. In the case that a solar drying system is newly introduced, the capital recovery method was selected from a viewpoint of the recovery of the facility investment. The economic efficiencies were evaluated with this method for both systems, that is, the system of an existing dryer equipped with a solar collector which uses kerosene as a supplementary heat source and the system of grain drying facility utilizing only solar energy as a heat source.<br>The energy cost comparative method was proposed to be available to examine the economic efficiency of the solar drying system without any supplementary heating equipment, because its heat source is quite different from a conventional heated-air dryer. An example was presented to show the concrete procedure of calculation.

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