1970-02-01

Compressor Clearance Control Coatings 700330

The efficiency of axial flow compressors is greatly affected by the amount of air that leaks past the blade tips. It is desirable, therefore, to reduce the clearance between the compressor case and the rotating compressor blades as much as possible. One solution to the problem is to utilize a clearance coating in the compressor case at the blade tip paths Two methods for accomplishing this on both new and overhaul cases are discussed in detail.

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