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对离心叶轮外侧间隙内泄漏气体的流动进行了分析,应用Re数κ-ε紊流修正模型和SIMRLEC算法计算间隙内泄漏气体流场,获得压力分布,进而计算漏气损失并同其它两种方法的计算结果进行了比较,对离心压缩机的设计具有一定的参考价值。
The flow of leakage gas in the outer gap of the centrifugal impeller is analyzed. The Re-κ-ε turbulence correction model and the SIMRLEC algorithm are used to calculate the leakage gas flow field in the gap, and the pressure distribution is obtained. Then the gas leakage loss is calculated and compared with the other two methods The calculation results are compared, and the design of centrifugal compressor has certain reference value.