摘要
针对两台机组共用的尾水调压室进行了水力特性试验，研究了尾水调压室流量比、阻抗孔口中水流方向及孔口形状对尾水调压室水头损失系数的影响．试验结果表明，阻抗式尾水调压室的水头损失系数并不是现有文献所描述的那种仅与孔口形状和水流方向有关的常数，而是一个与流量比有关的变量．
The experiment on the hydraulic characteristics of rectangular tailrace surge tank shared by two units is described in this paper. The effects of the discharge ratio, the flow direction, the orifice size and configuration on the head loss coefficients are discussed. The study shows that the head loss coefficients of the surge tank are not constants, but variables determined by the orifice configuration, flow direction and discharge ratio. The best fitting formulae are proposed for the head loss coefficients.
出处
《河海大学学报（自然科学版）》
CAS
CSCD
1996年第6期61-65,共5页
Journal of Hohai University(Natural Sciences)
关键词
调压室
流量比
阻抗孔
水头损失系数
surge tank
discharge ratio
throttled orifice
head loss coefficients
