Effect of a Divided Wetwell on Heat Removal Capability of the Water Wall Type Passive Containment Cooling System

この論文にアクセスする

この論文をさがす

著者

抄録

A water wall type containment cooling system, which has a cooling pool outside the suppression pool, is one of the passive containment cooling systems (PCCSs). To improve its heat removal capability, we have proposed a divided wetwell (gas phase space in the suppression chamber), which separates the wetwell space into a high steam partial pressure region (first wetwell) and high noncondensable gas partial pressure region (second wetwell). We experimentally examined the thermal hydraulic behavior of the water wall type PCCS which applies the divided wetwell.<BR>By cooling the second wetwell and condensing the steam which flowed from the first wetwell into the second wetwell, noncondensable gas in the first wetwell was discharged to the second wetwell. In the first wetwell, the saturated steam partial pressure increased. After the noncondensable gas was fully discharged to the second wetwell, the first wetwell temperature came within 1°C of the suppression pool surface temperature. Therefore, attainable temperatures of the first wetwell and the suppression pool water increased for the same pressure of the primary containment vessel. Consequently, the time-integrated released heat to the outer pool was 70% larger than the non-divided case due to increase of the temperature difference between the suppression pool and outer pool.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 32(1), 18-29, 1995-01-25 

    Atomic Energy Society of Japan

参考文献:  8件

参考文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

被引用文献:  1件

被引用文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

各種コード

  • NII論文ID(NAID)
    10002071865
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
ページトップへ