对称直线收缩段急流冲击波的水力计算  

Hydraulics Computational Method of Calculating Steep Shock Waves in a Symmetric Contraction of Straight Section

作　　者：樊有锋[1] 刘韩生[1] 姬春利[2] 

机构地区：[1]西北农林科技大学水利与建筑工程学院,陕西杨凌712100 [2]江西蓝天学院建工系,南昌330098

出　　处：《中国农村水利水电》2009年第10期121-124,共4页China Rural Water and Hydropower

摘　　要：在Ippen理想冲击波理论的基础上分析了对称收缩段急流冲击波的形成机理和水力特性;结合国内外专家学者对陡冲击波的研究成果,对不同来流和不同边墙偏转条件下波角、水深比、计算值与试验值的误差进行计算;将计算结果进行分析比较,得出刘韩生简化式比其他计算公式计算简单、使用方便、计算精度较高、比较适合工程应用的结论。This paper analyzes shock wave generation mechanisms and hydraulic characteristics on the basis of Ippen＇s shock wave theory, combining the research results of steep shock waves of domestic and foreign experts, this paper calculates the inaccuracy of deflection angle and the ratio of the depth between experimental data and calculation results, then compares and analyzes the result, finally proves that compared with other formulas, Professor Liu＇s simplified ones are more simple, convenient to use, accurate, and more suitable for engineering application.

关 键 词：急流冲击波 简化式 波角 水深比 计算方法 

分 类 号：TV131.3[水利工程—水力学及河流动力学]