Endwall heat transfer measurements in a transonic turbine cascade
- NYMA, Inc., Brook Park, OH (United States). Engineering Services Div.
- NASA Lewis Research Center, Cleveland, OH (United States)
Turbine blade endwall heat transfer measurements are presented for a range of Reynolds and Mach numbers. Data were obtained for Reynolds numbers based on inlet conditions of 0.5 and 1.0 {times} 10{sup 6}, for isentropic exit Mach numbers of 1.0 and 1.3, and for free-stream turbulence intensities of 0.25 and 7.0%. Tests were conducted in a linear cascade at the NASA Lewis Transonic Turbine Blade Cascade Facility. The test article was a turbine rotor with 136 deg of turning and an axial chord of 12.7 cm. The large scale allowed for very detailed measurements of both flow field and surface phenomena. The intent of the work is to provide benchmark quality data for CFD code and model verification. The flow field in the cascade is highly three dimensional as a result of thick boundary layers at the test section inlet. Endwall heat transfer data were obtained using a steady-state liquid crystal technique.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 290078
- Report Number(s):
- CONF-960608-; ISSN 0889-504X; TRN: IM9834%%193
- Journal Information:
- Journal of Turbomachinery, Vol. 120, Issue 2; Conference: 41. American Society of Mechanical Engineers (ASME) international gas turbine and aeroengine congress and exposition, Birmingham (United Kingdom), 10-13 Jun 1996; Other Information: PBD: Apr 1998
- Country of Publication:
- United States
- Language:
- English
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