离心压缩机进口导叶叶型的进一步研究
发布时间:2018-10-11 14:05
【摘要】:为提高离心压缩机进口导叶的质量流量调节能力,以原研究成果为基础对导叶叶型做进一步研究。通过数值模拟计算,对不同厚度弯叶型和不同弯度位置导叶的质量流量调节能力进行对比分析。结果表明,虽然减小弯叶型的厚度可扩大其质量流量调节范围,却增加了流动损失,使压缩机效率下降;将弯叶型最大挠度位置向后移,可有效提高导叶的质量流量调节能力,且其产生的损失对压缩机性能影响不大。最终选择出适合于导叶进行质量流量调节的最佳叶型,减少了压缩气体的排空浪费。
[Abstract]:In order to improve the quality and flow regulation ability of the inlet guide vane of centrifugal compressor, the guide vane type was further studied based on the original research results. Through numerical simulation, the mass flow regulation ability of guide vane with different thickness and different bend position is compared and analyzed. The results show that, although reducing the thickness of the curved blade can enlarge its mass flow regulation range, but increase the flow loss and reduce the compressor efficiency, the maximum deflection position of the curved blade can be moved backward to effectively improve the mass flow adjustment ability of the guide vane. And the loss caused by the compressor has little effect on the performance of the compressor. Finally, the best blade shape suitable for mass flow regulation of guide vane is selected, which reduces the waste of compressed gas.
【作者单位】: 大连理工大学能源与动力学院;上海电气电站设备有限公司汽轮机厂;大连中意透平科技有限公司;
【分类号】:TH452
本文编号:2264400
[Abstract]:In order to improve the quality and flow regulation ability of the inlet guide vane of centrifugal compressor, the guide vane type was further studied based on the original research results. Through numerical simulation, the mass flow regulation ability of guide vane with different thickness and different bend position is compared and analyzed. The results show that, although reducing the thickness of the curved blade can enlarge its mass flow regulation range, but increase the flow loss and reduce the compressor efficiency, the maximum deflection position of the curved blade can be moved backward to effectively improve the mass flow adjustment ability of the guide vane. And the loss caused by the compressor has little effect on the performance of the compressor. Finally, the best blade shape suitable for mass flow regulation of guide vane is selected, which reduces the waste of compressed gas.
【作者单位】: 大连理工大学能源与动力学院;上海电气电站设备有限公司汽轮机厂;大连中意透平科技有限公司;
【分类号】:TH452
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