In the manufacture of gas turbine engines large numbers of holes have to be drilled to allow the flow of cooling air over the most severely thermally loaded components. Such parts vary from small blades to complete combustion assemblies 40 inches in diameter and 36 inches long. Other aerospace components contain similar holes, and may be even larger but they are usually less complex.
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© 1984 Laser Institute of America.
1984
Laser Institute of America
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