Effects of film cooling on the surface pressure distribution on composite air-cooled blades has been investigated experimentlly at medium temperatures and pressures.The effects of the ratio of cooling mass flow to gas...Effects of film cooling on the surface pressure distribution on composite air-cooled blades has been investigated experimentlly at medium temperatures and pressures.The effects of the ratio of cooling mass flow to gas mass flow K G,the ratio of gas temperature to coolant temperature K T,and the location of film cooling holes on the surface pressure distribution are discussed.It is found from the experimental results that the K G and the location of the film cooling holes have considerable effects on the surface pressure distribution.展开更多
文摘Effects of film cooling on the surface pressure distribution on composite air-cooled blades has been investigated experimentlly at medium temperatures and pressures.The effects of the ratio of cooling mass flow to gas mass flow K G,the ratio of gas temperature to coolant temperature K T,and the location of film cooling holes on the surface pressure distribution are discussed.It is found from the experimental results that the K G and the location of the film cooling holes have considerable effects on the surface pressure distribution.
