熱収支を取り入れた降雨浸透型タンクモデルの同定に関する基礎的研究

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  • ネツ シュウシ ヲ トリイレタ コウウ シントウ ガタ タンクモデル ノ ドウテイ ニ カンスル キソテキ ケンキュウ
  • Basic research on the identification method of the infiltration type tank model based on heat balance

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The targets of this research are;(1)the conception of infiltrative tank model method that has the adaptability for the process of infiltration and outflow for the sump water;(2)the identification of the calculated temperature to the measured temperature for each tank with heat balance; and(3)the identification of the measured run-off with the hydrograph. Based on the successive data that is the run-off of the sump water, water temperature, temperature around a sump water spot, and ground temperature(0m, -0.5m, -1.0m)at an experimental hill area in Yokohama city, three stages infiltrative tank model was designed and the hydrograph data was calculated and the water level was identified. Although there was an initial-condition increase in the numbers, identification for the temperature of each tank was possible. In addition to this, as compared to conventional methods that identify only with the run-off hydrograph, more rational identification is practicable.This report described two main heat sources that are heat transfer quantity between tanks as a one of heat balances and heat of transport quantity for infiltration water. As a conclusion, although the result of the degree that is the identification for the temperature during rainfall is almost satisfied, the result of the degree that is the identification at the reduction part of hydrograph is unsatisfied. However, as the result of the identification of the hydrograph, high approximative degree of wave shape against measured water level was acquired and the effectiveness of this method was confirmed. From now on, the examination of setting method of temperature condition for a constant temperature zone and of the method of introduction of heat of evaporation to the heat balance should be considered.

収録刊行物

  • 研究報告

    研究報告 52 (2), 41-51, 2009-03

    関東学院大学工学会

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