发明申请
US20070201980A1 Method to augment heat transfer using chamfered cylindrical depressions in cast internal cooling passages 审中-公开
在铸造内部冷却通道中使用倒角圆柱形凹陷来增加传热的方法

Method to augment heat transfer using chamfered cylindrical depressions in cast internal cooling passages
摘要:
An air-cooled turbine blade is provided having an airfoil shape defined by a convex suction side wall, a concave pressure side wall, a leading edge, a trailing edge, a root and a tip, each wall including an interior surface that defines an interior with the edges, root and tip. The blade includes a plurality of independent cooling circuit flow paths within the blade interior and a roughened surface. The roughened surface is formed on an interior surface of at least one of the convex suction side wall and the concave pressure side wall, the roughened surface comprising a plurality of cylindrical depressions. Each depression includes a cylindrical wall coupled to a bottom wall by a chamfered edge formed therebetween, and the roughened surface defines at least a portion of one of the flow paths of the plurality of independent cooling circuit flow paths. Methods for forming the blade are also provided.
公开/授权文献
信息查询
0/0