求翻译：采用Eckardt经典叶轮进行离心压缩机变工况性能预测程序的准确性验证。运用CFX计算软件，生成叶轮和无叶扩压器几何模型。运行本文编制程序，得到变工况条件下的性能参数及气动性能曲线。通过对比两者变工况条件下的等熵效率、多变效率以及压比等参数，分析预测值与实验值之间的误差程度与影响原因。是什么意思？

The use of Eckardt impeller centrifugal compressor classical variable conditions verify the accuracy of performance prediction program. Calculated using CFX software to generate the impeller and diffuser geometry-free model leaves. Prepared to run this program, get change working conditions and perf

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Uses the Eckardt classical impeller to carry on the centrifugal compression adaptable operating mode performance prediction procedure the accurate confirmation.Using the CFX computation software, produces the impeller and the aphylly diffuser geometry model.The movement this article coding, obtains

Eckardt classic impeller of centrifugal compressor off-design performance prediction accuracy verification of programs. Using CFX computational software, generates impeller and vaneless diffuser geometry models. Run this program, given variable conditions under the conditions of performance paramete

Adopt Eckardt classical impeller to turn into the accuracy verification that the performance of operating mode predicted the procedure the centrifugal compressor. Use CFX to calculate the software, turn into the impeller and not there is not leaf to expand the geometric model of the depressor. Opera