水利科技与经济
水利科技與經濟
수리과기여경제
2014年
6期
107-110
,共4页
调压室%阻抗孔%优化设计
調壓室%阻抗孔%優化設計
조압실%조항공%우화설계
surge shaft%impedance hole%optimization design
调压室是减小水锤压力传递的有效方法,调压室断面受托马稳定条件制约,阻抗孔直径是托马稳定断面的重要参数之一。通过对北疆某水电站调压室的稳定需求给出较合适的断面积,通过阻抗孔对调压室体型进行优化设计,主要涉及阻抗孔口尺寸、顶板、底板设计高程及运行工况等因素。
調壓室是減小水錘壓力傳遞的有效方法,調壓室斷麵受託馬穩定條件製約,阻抗孔直徑是託馬穩定斷麵的重要參數之一。通過對北疆某水電站調壓室的穩定需求給齣較閤適的斷麵積,通過阻抗孔對調壓室體型進行優化設計,主要涉及阻抗孔口呎吋、頂闆、底闆設計高程及運行工況等因素。
조압실시감소수추압력전체적유효방법,조압실단면수탁마은정조건제약,조항공직경시탁마은정단면적중요삼수지일。통과대북강모수전참조압실적은정수구급출교합괄적단면적,통과조항공대조압실체형진행우화설계,주요섭급조항공구척촌、정판、저판설계고정급운행공황등인소。
Surge chamber is an effective method to reduce the water hammer pressure transmission , surge chamber section is restricted by Thomas stability conditions , impedance hole diameter is one of the important parameters in Thomas stable section , based on the basal area of a hydropower station diversion are stable demand pressure chamber isappropriate , optimization design of the body through theimpedance surge chamber hole , mainly relates to an impedance orifice size , roof, floor elevation design andoperating conditions.