地下水と土壌蓄熱効果を利用した無雪道路の研究

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タイトル別名
  • チカスイ ト ドジョウ チクネツ コウカ オ リヨウシタ ム ユキ ドウロ ノ
  • Experimental Study on Snow-melting Road by Use of Groundwater and Thermal Energy Strage in Soil
  • チカスイ ト ドジョウ チクネツ コウカ オ リヨウ シタ ムセツ ドウロ ノ ケンキュウ

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論文(Article)

In this system, the pipe buried in concrete like as a shape of Comb below the surface, pavement plates and soils made store thermal energy by passing groundwater in piping. When it is snowing, this system is able to melt snow by supplying both heat of groundwater in piping and energy recovery from pavement plates and soil.　The following conclusions can be obtained by the experimental results.　(1) Thermal energy has been stored in concrete plates and soil approximately 1 meter below ground surface by the heat conduction from pipes in which groundwater is passing. In snowfall, snow-melting ability should be increased by recovering thermal energy already stored in concretes and soils in addition to directly supplying thermal energy through pipes.　(2) Total heat flux from pipes through concrete to the surface is constantly 230W/m/m on the case of D-Type with this flow rate. Installations of A,B and D-Type can maintain stable outputs. Also, the more in-let temperature rises, the more total heat flux increases.　(3) In summer, thermal enrgy will be stored in aquifer, by use of the road for solar-collector. In winter, this hot water is must be repumped up and passed through pipes, therefore snow-melting ability increases efficiently.

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