在改进后的损失模型中，定义了新的叶片负荷系数，并用它作为一个特性准则导出了叶型损失计算公式。
In this improved loss model, a new profile loading coefficient is defined and using it as a characteristic criterion, formula for estimating the profile toss coefficient is derived.
同时比较了大小叶片设计方案与全为大叶片方案的性能，发现采用大小叶片可提高静压恢复系数，降低空气动力损失。
And the results showed that the performance of the diffuser with splitter blade was improved. The pressure recovery coefficient was (increased) and the aerodynamic loss coefficient was decreased.
通过叶片表面总压损失系数，证实了先进叶型在流动中可以降低叶型损失。
It is proved that the profile loss can be decreased with the use of advanced blade through the comparison of loss coefficient of blade surface overall pressure.
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