Numerical Analysis for the Behavior of Seal Water in a Trap

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  • トラップ封水の挙動の数値解析
  • トラップ フウミズ ノ キョドウ ノ スウチ カイセキ

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The traps connected to sanitary fixtures perform the hyginical functions. However, the trap seal is induced a water loss by the selfsiphonage or the pressure variation in the drainage systems. The authors introduced the macroscopic mechanical energy balance in regard to the motions of the trap seal water and numerically analyzed the mechanism of a trap seal-loss. Results of this study are as follows; 1) Comparing to the measured values, a certain degree of approximation was obtained. 2) The motions of the seal water were understood well depending on this theory.

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