The value of additional coefficient of raft roughness is established through the comparative analysis of raft prototype resistance measurement on the spot and relevant model experiment.

通过木排原型阻力的现场测试与相应的模型试验分析对比，确定了木排粗糙度附加系数的数值。

youdao

A differential resistance model was established to describe the permeation of water vapor across the hollow fiber composite membrane. The reliability of the model was verified by experiment.

建立了水蒸气在中空纤维复合膜中渗透的微分阻力模型，用实验验证了模型的可靠性。

youdao

The scale of experiment model is 1 to 2.5. Model experimental results show that numerical simulation is very effective for forecast of resistance characteristics of Marine exhaust mufflers.

按照所确定的结构制作了几何比为1：2 . 5的实验模型，模型实验结果表明，本文的数值模拟方案具有令人满意的精度，对于船用排气消声器阻力特性预估是非常有效的。

youdao