实壁/圆弧斜槽周向不对称组合式处理机匣实验

对实壁/圆弧斜槽组合式处理机匣在跨声压气机实验台上进行了实验研究.不同于传统处理机匣,实验的组合式处理机匣能够在大幅度提高压气机失速裕度的同时,使得其绝热效率增加接近1%,该组合式处理机匣能够取得"扩稳增效"的主要原因是,提高了叶尖区域的流通能力,抑制了分离流动,减缓了旋转失速的发生;通过采用周向非均匀分布的组合形式,减少了处理槽内的流动损失,使得机匣处理的收益大于损失,提高了压气机效率.

Experimental investigation of a solid/arc slot asymmetrical combined casing treatment

This thesis experimentally investigated the solid/arc slot combined casing treatment on the transonic compressor test facility.Unlike traditional casing treatments,not only the stall margin of the compressor could be enlarged greatly by using the solid/arc slot combined casing treatment,the adiabatic efficiency could also be increased nearly 1%.The main reason for this phenomenon is that the combined casing treatment increases the flow mass of the tip region,prevents the flow separation,suspends the rotatin...