Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果,给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
A substructure method and a dual reciprocity boundary element method (DRBEM) are applied to calculate four-pole parameters and transmission loss of ducts and silencers with complex flow.
将子结构法和双倒易边界元法联合应用于预测具有三维复杂流存在时管道和消声器的四极参数与传递损失,阐述其基本原理与数值过程。
Using Darcy-equation to calculate friction loss is more convenient, but using the comprehensive equation can improve calculation precision. A empirical method of dealing with pump station boundary…
用列宾宗公式计算摩阻。可以提高计算精度。对长输管道中间泵站边界条件,给出了经验处理方法。
Other submodels include Fire Growth and Smoke Movement, Boundary Failure and Fire Spread, Occupant Response and Evacuation, and Building Cost and Economic Loss.
其他子模型包括火灾增长、烟气运动、边界失效火灾蔓延、人员反应和疏散以及建筑造价和经济损失等模型。
The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.
得出了叶片周向前弯后, 叶顶部分的附面层减薄,二次流损失减小的结论,与实验结果吻合;
The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.
得出了叶片周向前弯后, 叶顶部分的附面层减薄,二次流损失减小的结论,与实验结果吻合;
应用推荐