そり角の大きい多重円弧翼形の遷・超音速二次元(減速)翼列実験 : 第2報,流入マッハ数特性に及ぼす食違い角の影響について

概要

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We carried out 2-D cascade tests of multiple-circular-arc (MCA) blades with a relatively high camber angle of 56 deg. In the region of inlet Mach number (M_1) 0.4 ≦ M_1 ≦ 1.2 and with the systematic variations of cascade geometry and incidence angle. Systematic data with respect to inlet Mach number characteristics of the cascade of MCA blades were obtained. An outline of the tests was given in the first report. In the present report, we discuss the following items on the basis of experimental results: 1. the effect of stagger angle on inlet Mach number characteristics. 2. the relation between stagger angle and critical inlet Mach number. 3. the relation between inlet Mach number and superior limit in the available range of operation of stagger angle. 4. the relation between diffusion factor and static pressure rise coeffcient.
一般社団法人日本機械学会の論文
1990-06-25