基于某型压气机静叶的端弯改型数值模拟  

Numerical Simulation of the End-bend Blade Based on A Compressor's Stator

作　　者：赵俊明[1] 张成义[1] 冯永志[1] 张宏涛[1] 吕智强[1] 李长宝[2] 

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046 [2]哈电集团重型装备有限公司,秦皇岛066000

出　　处：《汽轮机技术》2014年第1期24-25,52,共3页Turbine Technology

基　　金：国家863计划重型燃气轮机重大项目资助(项目编号:2008AA05A302)

摘　　要：以某重型燃气轮机压气机的第15级为研究对象,采用端弯叶片技术对其静叶进行改型,通过数值模拟研究了静叶改型对压气机气动性能的影响。数值模拟结果表明:通过端弯叶片改型,能够有效地抑制端区分离流动,从而明显提高压气机的效率和压比。The effects of remodeling of stator on aerodynamic performance of compressor are numerically investigated based on 15 th stage of a heavy gas turbine compressor , the end-bend blade technology was adopted for retrofitting of stator in simulation.Numerical simulation results show that the end-bend blade can control effectively the separation flow at the corner zone,and increase the efficiency and the pressure ratio greatly .

关 键 词：压气机 端弯叶片 端区分离 数值模拟 

分 类 号：TK474.811[动力工程及工程热物理—动力机械及工程]