Backsweep can improve the efficiency at the expense of surge margin.
后掠会增加效率,但是会降低喘振裕度,而前掠有相反的趋势。
The surge margin is 20.67%. The engine thrust is increased by 14.3%.
用到发动机上设计点稳定工作裕度为20.67%,使发动机性能提高14.3%。
The surge margin at design operating point was estimated by the numerical results.
根据设计转速下的计算结果,预估了压气机设计点的喘振裕度。
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