Experimental convective heat transfer investigation around a film-cooled gas turbine blade

Cengiz Camci, T. Arts

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Abstract

The present paper deals with an experimental convective heat transfer investigation around a film-cooled, high-pressure gas turbine rotor blade mounted in a stationary, linear cascade arrangement. The measurements were performed in the von Karman Institute Isentropic Light Piston Compression Tube facility. The test blade was made of Macor glass ceramic and was instrumented with thin film gages. The coolant flow was ejected simultaneously through the leading edge (three rows of holes), the suction side (two rows of holes), and the pressure side (one row of holes). The effects of overall mass weight ratio coolant to free-stream temperature ratio, and free-stream turbulence were successively investigated.

Original languageEnglish (US)
Pages (from-to)497-503
Number of pages7
JournalJournal of Turbomachinery
Volume112
Issue number3
Publication statusPublished - Jul 1990

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All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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