B114 翼内部の交差噴流冷却により生成する旋回を伴うフィルム冷却(OS-4:対流伝熱(1))
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概要
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A new film cooling concept has been developed by managing the swirled film coolant induced inside a hexagonal plenum by two slant impingement jets, which are inclined at a degree toward the vertical direction and installed in a staggered position on the plenum chamber wall. Film cooling tests have been conducted by using a circular film cooling hole model mounted on a low speed wind tunnel. The film cooling effectiveness on the surface of the wind tunnel was measured by pressure sensitive paint (PSP). It appeared from experimental results that the swirled film coolant flow deteriorated the film cooling effectiveness at low swirl number but improved it at high swirl number.
- 一般社団法人日本機械学会の論文
- 2011-10-28
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- B114 翼内部の交差噴流冷却により生成する旋回を伴うフィルム冷却(OS-4:対流伝熱(1))