Water-Cooled Gas Turbine Monometallic Nozzle Fabrication and Testing

[+] Author and Article Information
P. W. Schilke, C. L. DeGeorge

General Electric Co., Schenectady, N.Y. 12345

J. Eng. Power 104(3), 607-616 (Jul 01, 1982) (10 pages) doi:10.1115/1.3227323 History: Received December 18, 1980; Online September 28, 2009


This paper describes the fabrication and testing of the second-stage monometallic water-cooled nozzles for the Department of Energy funded High-Temperature Turbine Technology (HTTT) program. The materials and processes development work required to fabricate these nozzles has been reported in an earlier paper. The fabrication of these nozzles—including investment casting, Shaped Tube Electrolytic Machining (STEM), Electrode discharge Machining (EDM), conventional machining, and brazing—is described. The testing of these nozzles in a static hot-gas path development test stand is also described, and the results of this testing are discussed in terms of the overall component design goals.

Copyright © 1982 by ASME
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