Abstract
small supersonic wind tunnel was designed and built to study the flow characteristics of a supersonic impulse turbine cascade. The supersonic cascade with a 2-dimensional supersonic nozzle was tested for the axial gap ratio (δ) of the supersonic turbine that is the one of the turbine design parameter. Firstly, the flow was visualized by a single pass Schlieren system. Next, total and static pressure of the cascade were measured by a pressure scanning system. Highly complicated flow patterns including shocks, nozzle-cascade interaction and shock boundary layer interactions, flow characteristics of the supersonic turbine were observed. ﾖ⨀ ጊ吀 Ѐ㘷〻Ԁ䭃䑎䷙ 6㐶㬅K䍄乍쐗ጊ䴀 Ѐ㘸㜻Ԁ䭃䑎䴀
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