西华大学学报（自然科学版）2026，Vol.45Issue(1)：72-79,8.DOI:10.12198/j.issn.1673-159X.5414
基于熵产理论的轴流泵作液力透平内部能量损失机制
Research on Internal Energy Loss Mechanism of Axial Pump as Turbine Based on Entropy Production Theory
摘要
Abstract
In order to study the energy loss mechanism of the axial flow pump as a hydraulic turbine,this paper takes the axial flow pump as the research object.Based on the theory of entropy production,the energy loss mechanism of each flow component of the axial flow pump under different flow conditions is quantitatively analyzed,and the energy loss mechanism of the impeller and the outlet section is specifically analyzed.The results show that under different flow conditions,the entropy production loss of the impeller and the entropy production loss of the outlet section are the main factors of the energy dissipation of the whole machine.The flow separation in the flow process of the impeller region,the low speed area and the wake flow are the main reasons for the energy loss of the impeller,and the vortex band in the downstream area of the tail cone of the outlet section is the main reason for the energy loss of the outlet section.关键词
轴流泵作液力透平/熵产理论/熵产损失/叶轮/出口段Key words
axial pump as turbine/entropy production theory/entropy production loss/impeller/exit section分类
机械制造引用本文复制引用
MIAO Senchun,WU Hao,WANG Xiaohui,SHI Fengxia,YANG Junhu..基于熵产理论的轴流泵作液力透平内部能量损失机制[J].西华大学学报（自然科学版）,2026,45(1):72-79,8.基金项目
国家自然科学基金项目(52169019) （52169019）
甘肃省自然科学基金项目(23JRRA750) （23JRRA750）
甘肃省教育厅"双一流"重点项目(GCJ2022-38). （GCJ2022-38）
