水工模型试验中长导流洞的糙率修正问题

Roughness Correction in Hydraulic Model Test for Long Diversion Tunnels

水工模型试验中长导流洞的阻力模拟是否与原型阻力相似是影响泄流量的关键因素。结合马来西亚里瓦古导流模型试验,通过对模型试验中导流洞的阻力分析,针对以往采用的修正方法的不足,探讨一种新的修正方法。

The key factor to affect the discharge is the resistance similarity of the model tunnel with the prototype tunnel in hydraulic(model) test.In this paper,a new correction method is studied against the insufficiency of the previously applied correction method,based on the diversion model test for Liwagu Hydroelectric Project in Malaysia by means of resistance analysis made to the diversion tunnel in model test.