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    • 8. 发明专利
    • Gas turbine blade
    • 气体涡轮叶片
    • JPS59218303A
    • 1984-12-08
    • JP9155883
    • 1983-05-26
    • Toshiba Corp
    • FUKUYAMA YOSHITAKA
    • F01D5/18
    • F01D5/185
    • PURPOSE:To improve cooling performance, by communicating a porous layer of heat resistant material in the effective part of a gas turbine blade to supply paths of a coolant and collecting the evaporated coolant from a passage inside the porous layer of heat resistant material. CONSTITUTION:The first coolant passage 5 consisting of a porous layer of heat resistant material is provided in a blade effective part 2 and communicated to coolant supply paths 3. A coolant evaporated in the side of an outer shell 6 of the first coolant passage 5 is allowed to flow into the second coolant passage 8 inside the first coolant passage 5 from pipes 9 mounted to an inner shell 7 and collected from a coolant collective path 4. In such way, liquid is used as the coolant, and its evaporation is utilized enabling high cooling perormance to be obtained.
    • 目的:为了提高冷却性能,通过在燃气轮机叶片的有效部分中连通耐热材料的多孔层,以提供冷却剂的路径并从耐热材料的多孔层内的通道收集蒸发的冷却剂。 构成:由耐热材料的多孔层组成的第一冷却剂通道5设置在叶片有效部分2中并且连通到冷却剂供应路径3.在第一冷却剂通道5的外壳6侧蒸发的冷却剂是 允许从安装到内壳7并从冷却剂集合路径4收集的管9流入第一冷却剂通道5内的第二冷却剂通道8中。以这种方式,液体被用作冷却剂,并且其蒸发被利用 要获得高冷却效果。