离心叶片进出口几何形状对气动性能影响研究

郭红涛; 樊宏周; 席光

doi:10.7652/xjtuxb202306020

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离心叶片进出口几何形状对气动性能影响研究

—————————————————————— | 更新时间：2025-05-08

- 离心叶片进出口几何形状对气动性能影响研究
- Impact of Inlet and Outlet Geometry of Centrifugal Blade on Aerodynamic Performance
- 西安交通大学学报 2023年57卷第6期页码：181-190
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
  
  : 2022-10-28。作者简介: 郭红涛(1997—),男,硕士生
  樊宏周(通信作者),男,高级工程师。基金项目: 国家重点研发计划资助项目(2019YFB1504601)。
- 基金信息：
  
  : 2022-10-28。作者简介: 郭红涛(1997—),男,硕士生;樊宏周(通信作者),男,高级工程师。基金项目: 国家重点研发计划资助项目(2019YFB1504601)。
- DOI：10.7652/xjtuxb202306020
  中图分类号： TK05
- 网络首发：2023-06-10，
  
  纸质出版：2023
- 稿件说明：
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郭红涛, 樊宏周, 席光. 离心叶片进出口几何形状对气动性能影响研究[J]. 西安交通大学学报, 2023,57(6):181-190.

GUO Hongtao, FAN Hongzhou, XI Guang. Impact of Inlet and Outlet Geometry of Centrifugal Blade on Aerodynamic Performance[J]. 2023, 57(6): 181-190.
郭红涛, 樊宏周, 席光. 离心叶片进出口几何形状对气动性能影响研究[J]. 西安交通大学学报, 2023,57(6):181-190. DOI： 10.7652/xjtuxb202306020.

GUO Hongtao, FAN Hongzhou, XI Guang. Impact of Inlet and Outlet Geometry of Centrifugal Blade on Aerodynamic Performance[J]. 2023, 57(6): 181-190. DOI： 10.7652/xjtuxb202306020.

摘要

为研究叶片进出口几何形状对离心叶轮内部流场及气动性能影响

以某离心叶轮为研究对象

对叶片进出口前、尾缘分别进行不同尺寸修圆处理

采用SST k-ω湍流模型与High Resolution数值方法进行周期性单流道数值模拟

研究了叶片不同尺寸进出口前、尾缘修圆产生的几何形状对离心叶轮内部流场分布和气动性能的影响。研究结果表明:叶片进口前缘平凸形修圆能够增加离心叶轮总压比和多变效率

减少气流在进口前缘局部流动分离损失; 平凸形修圆尺寸越小

多变效率和总压比增加越明显

在设计工况点二者最大增加约1%; 叶片尾缘压力面修圆能够增加离心叶轮的多变效率

但降低了离心叶轮的总压比

而尾缘吸力面修圆能达到同时增加离心叶轮多变效率和总压比的目的

使得设计工况下多变效率最大增加约1%

总压比最大增加约5%

且减少了气体流出叶轮时的尾迹损失。对叶片前缘小尺寸平凸形修圆和尾缘吸力面的大尺寸修圆

不仅能减少叶片进出口局部流动损失

而且能使设计工况点多变效率增加约1.5%

总压比增加约7%

从而提高离心叶轮的做功能力

为离心叶片设计优化和高效加工制造提供了参考。

Abstract

To study the impact of the blade inlet and outlet geometry on the internal flow field and aerodynamic performance of the centrifugal impeller

the leading and trailing edges of the blade-inlet and outlet were respectively rounded with different dimensions on a centrifugal impeller taken as the research object. The SST turbulence model and the High Resolution numerical method were used for periodic single channel numerical simulation of the centrifugal impeller

and the impact of the geometric shape produced by the rounding with different dimensions of the leading and trailing of the blade on the internal flow field distribution and aerodynamic performance of the centrifugal impeller was studied in this paper. The results showed that the flat-convex rounding of the leading edge of the blade inlet can increase the total pressure ratio and polytropic efficiency of the centrifugal impeller

and reduce the local flow separation loss at the leading edge of the inlet. The smaller the size of flat-convex rounding

the more obvious the increase of polytropic efficiency and total pressure ratio

and the maximum increase of both was about 1% at the design operating point. Rounding the pressure surface at the trailing edge of the blade can increase the polytropic efficiency of the centrifugal impeller

but reduce the total pressure ratio of the centrifugal impeller. Rounding the suction surface at the trailing edge can simultaneously increase both the polytropic efficiency and the total pressure ratio of the centrifugal impeller

making the maximum polytropic efficiency increase by about 1% and the maximum total pressure ratio increase by about 5% under the design condition

and reducing the wake loss when the air flows out of the impeller. The flat-convex rounding of the blade leading edge in small size and of the trailing edge suction surface in large size can not only reduce the local flow loss at the inlet and outlet of the blade

but also increase the polytropic efficiency by about 1.5% and the total pressure ratio by about 7% at the design operating point. Furthermore

it can improve the performance of the centrifugal impeller

providing a reference for the design optimization and efficient machining and manufacturing of the centrifugal blade.

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references

徐忠. 离心式叶轮原理 [M]. 北京: 机械工业出版社, 1990: 10-80.

PANIZZA A, VALENTE R, RUBINO D, et al. Impact of manufacturing variability on the aerodynamic performance of a centrifugal compressor stage with curvilinear blades [C]//ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. New York, NY, USA: ASME, 2016: V02CT45A027.

孙晔晨, 田玉宝, 席光, 等. 三元叶片型面造型对离心压缩机叶轮气动性能影响的数值研究 [J]. 西安交通大学学报, 2015, 49(11): 135-141.SUN Yechen, TIAN Yubao, XI Guang, et al. Numerical research on effect of 3-D blade surface profiles on aerodynamic performance of centrifugal compressor impellers [J]. Journal of Xi'an Jiaotong University, 2015, 49(11): 135-141.

HEHN A, MOSDZIEN M, GRATES D, et al. Aerodynamic optimization of a transonic centrifugal compressor by using arbitrary blade surfaces [J]. Journal of Turbomachinery, 2018, 140(5): 051011.

刘小民, 赵嘉, 李典. 单圆弧等厚叶片前后缘多元耦合仿生设计及降噪机理研究 [J]. 西安交通大学学报, 2015, 49(3): 1-10.LIU Xiaomin, ZHAO Jia, LI Dian. Noise reduction mechanism of single-arc bionic blade with wave shape leading edge coupled with serrated trailing edge [J]. Journal of Xi'an Jiaotong University, 2015, 49(3): 1-10.

赵会晶, 王志恒, 唐永洪, 等. 叶片前缘倾掠对离心叶轮气动性能的影响 [J]. 西安交通大学学报, 2015, 49(11): 1-7.ZHAO Huijing, WANG Zhiheng, TANG Yonghong, et al. Effects of blade leading edge lean and sweep on the aerodynamic performance of centrifugal impellers [J]. Journal of Xi'an Jiaotong University, 2015, 49(11): 1-7.

王宏亮, 席光. 离心叶轮几何形变对气动性能的影响 [J]. 西安交通大学学报, 2009, 43(5): 46-50.WANG Hongliang, XI Guang. Influence of centrifugal blade deformation on impeller aerodynamic performance [J]. Journal of Xi'an Jiaotong University, 2009, 43(5): 46-50.

WU Tao, CAO Yanlong, YANG Jiangxin. Analysis of the influence of blade's machining error on aerodynamic performance of impeller based on NUMECA [J]. Procedia CIRP, 2015, 27: 155-162.

PANIZZA A, RUBINO D T, TAPINASSI L. Efficient uncertainty quantification of centrifugal compressor performance using polynomial chaos [C]//ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. New York, NY, USA: ASME, 2014: V02BT45A001.

张英杰, 韩戈, 董旭, 等. 高负荷离心压气机扩压器叶片前缘开槽参数化研究 [J]. 西安交通大学学报, 2019, 53(9): 34-41.ZHANG Yingjie, HAN Ge, DONG Xu, et al. Parametric investigation on the effects of slotted diffuser on a highly loaded centrifugal compressor [J]. Journal of Xi'an Jiaotong University, 2019, 53(9): 34-41.

董雷, 曹利新. 离心叶轮叶片前缘椭圆长短轴比对性能的影响 [J]. 推进技术, 2016, 37(8): 1477-1484.DONG Lei, CAO Lixin. Effects of axial ratio of ellipse of blade leading edge on performance of a centrifugal impeller [J]. Journal of Propulsion Technology, 2016, 37(8): 1477-1484.

李成, 杜礼明, 李文娇, 等. 级环境下叶轮前缘倾角对离心压气机性能的影响 [J]. 大连交通大学学报, 2015, 36(1): 24-28.LI Cheng, DU Liming, LI Wenjiao, et al. Impact of leading edge angle of impeller on centrifugal compressor performance in multistage environment [J]. Journal of Dalian Jiaotong University, 2015, 36(1): 24-28.

王跃, 曹利新, 谢耕樵. 基于椭圆的极点-极线性质构造非扭转叶片前缘的方法研究 [J]. 风机技术, 2018, 60(3): 70-74.WANG Yue, CAO Lixin, XIE Gengqiao. Research on the method of constructing the non-twisted blade leading edge based on the pole and polar properties of ellipse [J]. Chinese Journal of Turbomachinery, 2018, 60(3): 70-74.

ZHAO Huijing, LU Xiang, ZHAO Guanhui, et al. Effects of compound sweep and lean on the aerodynamic performances of transonic centrifugal impellers [J]. IOP Conference Series: Earth and Environmental Science, 2019, 295(3): 032061.

宁方飞, 李一鸣. 一种压气机叶型的可控环量尾缘造型方法 [J]. 航空动力学报, 2019, 34(1): 142-155.NING Fangfei, LI Yiming. A method for controlled circulation trailing edge design of compressor blade [J]. Journal of Aerospace Power, 2019, 34(1): 142-155.

XU Yudong, LI Cong, LÜ Qiongying, et al. The influence of the trailing edge angle of the micro centrifugal impeller on the performance of the centrifugal compressor [J]. International Journal of Applied Electromagnetics and Mechanics, 2021, 66(4): 619-633.

BAI Huan, LI Qingkuo, WANG Yi. Numerical study of the influence of high-transonic outlet blade angle of the wedge diffuser with airfoil characteristics on the performance centrifugal compressor [C]//Journal of Physics: Conference Series. Bristol, UK: IOP Publishing, 2020: 012140.

FADILAH P A, HARTONO F, ERAWAN D F. Effect of impeller trailing edge shape to the radial compressor performance [J]. AIP Conference Proceedings, 2020, 2248(1): 030005.

XU Yudong, LI Cong, LÜ Qiongying, et al. The influence of he trailing edge angle of the micro centrifugal impeller on the performance of the centrifugal compressor [J]. International Journal of Applied Electromagnetics and Mechanics, 2021, 66(4): 619-633.

贺晓希, 宫武旗, 邓俊杰, 等. 叶轮叶顶间隙对离心制冷压缩机性能的影响 [J]. 西安交通大学学报, 2019, 53(7): 30-37.HE Xiaoxi, GONG Wuqi, DENG Junjie, et al. Influence of impeller tip clearance on the performance of centrifugal refrigeration compressor [J]. Journal of Xi'an Jiaotong University, 2019, 53(7): 30-37.

李学臣, 席光. 离心叶轮出口流动分离区影响因素的数值研究 [J]. 西安交通大学学报, 2013, 47(9): 16-22.LI Xuechen, XI Guang. Numerical research on influence factors of flow separation near centrifugal impeller outlet [J]. Journal of Xi'an Jiaotong University, 2013, 47(9): 16-22.

赵会晶, 席光, 王志恒, 等. 叶片尾缘切削对离心压缩机气动性能的影响 [J]. 工程热物理学报, 2015, 36(6): 1228-1232.ZHAO Huijing, XI Guang, WANG Zhiheng, et al. Effect of blade trailing edge filing on aerodynamic performance of centrifugal compressors [J]. Journal of Engineering Thermophysics, 2015, 36(6): 1228-1232.

郑旭, 卜学兵, 孙中国, 等. 考虑热力学效应的涡轮氧泵口环间隙泄漏特性研究 [J]. 西安交通大学学报, 2022, 56(7): 145-155.ZHENG Xu, BU Xuebing, SUN Zhongguo, et al. Leakage characteristics of wear ring clearance in liquid oxygen turbo pump under thermodynamic effect [J]. Journal of Xi'an Jiaotong University, 2022, 56(7): 145-155.

ZHAO Yang, ZHAO Jiayi, WANG Zhiheng, et al. Numerical investigation of diffuser flow field and rotating stall in a centrifugal compressor with vaned diffuser [C]//ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. New York, NY, USA: ASME, 2017: V02DT46A016.

赵家毅, 王志恒, 李学臣, 等. 叶片扩压器小流量工况内部流动特性研究 [J]. 工程热物理学报, 2017, 38(6): 1184-1190.ZHAO Jiayi, WANG Zhiheng, LI Xuechen, et al. The investigation of the flow characteristics inside the vaned diffuser at small flow rate [J]. Journal of Engineering Thermophysics, 2017, 38(6): 1184-1190.

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