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首页> 外国专利> Impinging jets in the matrix cooling channel of turbine blade to enhance thermal performance

Impinging jets in the matrix cooling channel of turbine blade to enhance thermal performance

机译：在涡轮叶片的基体冷却通道中撞击射流以增强热性能

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摘要

An internal lattice-type gas turbine blade with an impinging jet applied to improve cooling performance is presented. A gas turbine blade according to an embodiment of the present invention has an internal space in which a cooling fluid is introduced by being surrounded by a first side and a second side, an upper and a lower surface inside the blade, and from the first side and the second side, respectively. A plurality of first ribs and second ribs are formed to protrude, the first rib and the second rib are arranged side by side as being inclined at a predetermined angle, and two adjacent first ribs among the ribs arranged side by side are formed to face each other. A first channel is formed by two surfaces and the first side, and two adjacent second ribs are formed among the ribs arranged side by side, and a second channel is formed by the two surfaces facing each other and the second side, The main point of the configuration is that a collision jet hole is formed so that two adjacent first or second channels among the plurality of first or second channels communicate with each other. According to the present invention, the collision flow, which is the main cause of cooling in the grid cooling method, can be formed more frequently, thereby improving the cooling performance of the gas turbine blade.
机译：提出了一种内部晶格式燃气轮机叶片，该叶片具有用于改善冷却性能的冲击射流。根据本发明的实施例的燃气涡轮叶片具有内部空间，该内部空间通过被第一侧和第二侧，叶片内部的上表面和下表面以及从第一侧包围而引入冷却流体。和第二面。多个第一肋和第二肋形成为突出，第一肋和第二肋以预定角度倾斜并排布置，并且在并排布置的肋中的两个相邻的第一肋形成为彼此面对。其他。第一通道由两个表面和第一侧形成，并且两个相邻的第二肋形成在并排布置的肋之间，第二通道由两个彼此面对的表面和第二侧形成。构造是形成碰撞喷射孔，使得多个第一或第二通道中的两个相邻的第一或第二通道彼此连通。根据本发明，可以更频繁地形成作为格栅冷却方法中冷却的主要原因的碰撞流，从而提高燃气涡轮叶片的冷却性能。

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