Evaluation of Dynamic Pressure due to Steam Condensation in Water and Multi-vent Effects

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概要

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• An evaluation method for the dynamic pressure caused by steam condensation in such a large scale system as a BWR pressure suppression system has been developed. The pressure field obtained analytically in the pool has been coupled with that obtained in the vent pipes supposing the sources at the vent pipe exits. Both pressure fields in the vent pipes and in the pool are excited by applying the sources of impulsive nature to the vent pipe exits. The full scale test results performed at Japan Atomic Energy Research Institute have been simulated by the proposed method and agreement between experimental and calculated results is good. The so called multi-vent effects for the resultant dynamic pressure have been examined and the reduction effects for the dynamic pressure have been clarified. The dynamic pressure decreases in inverse proportion to an increase in the pool surface area.

• 一般社団法人日本機械学会の論文

著者

• Suzuki Isamu

  Mechanical Engineering Laboratory Toshiba Research And Development Center Toshiba Corporation

• ARINOBU Mutsuhiro

  Mechanical Engineering Laboratory, Toshiba Research and Development Center, Toshiba Corporation

• Arinobu Mutsuhiro

  Mechanical Engineering Laboratory Toshiba Research And Development Center Toshiba Corporation

関連論文

• Evaluation of Dynamic Pressure due to Steam Condensation in Water and Multi-vent Effects

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