跨音速正弯均匀加载叶片数值与试验研究  

Numerical and Experimental Study on Positive-curving & Evenly-loading Blade in Transonic Condition

作　　者：康磊[1] 徐巍[1] 张燕[1] 周瑞军 

机构地区：[1]中国船舶重工集团公司第七O三研究所,黑龙江哈尔滨150078 [2]哈尔滨广瀚新能动力有限公司,黑龙江哈尔滨150078

出　　处：《热能动力工程》2016年第3期56-62,139,共7页Journal of Engineering for Thermal Energy and Power

摘　　要：在相同边界条件下对均匀加载、正弯均匀加载、后加载、正弯后加载4种类型静叶片进行数值分析,并对正弯均匀加载叶片的环形叶栅试验件在出口马赫数为0.97的风洞台上做吹风试验。研究表明:正弯叶片有效控制了端部的二次流并使损失在径向均匀化,马赫数等值线与流道中心线正交;同样的边界条件下,无论均匀加载还是后加载叶片,有效的正弯均能使总压恢复系数提高1%以上。The numerical analysis on four kinds of stator blade including evenly-loading blade,positive-curving & evenly-loading blade,aft-loading blade and positive-curving aft-loading blade was made under the same boundary conditions,and the air test of the annular cascade test pieces of the positive-curving & evenly-loading blade was carried out on the wind tunnel test bench with outlet Mach number of 0. 97. The study results showed that positive-curving blade can control effectively the secondary flow of tip section,realize the homogenization of the loss at the radial direction and make the Mach number contour orthogonal to the central line of the flow channel. Under the same boundary conditions,for both the evenly-loading blade and aft-loading blade,effective positive-curving can make the total pressure recovery coefficient increased by more than 1%.

关 键 词：正弯叶片 后加载 均匀加载 风洞试验 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]