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Schaufelkhlung (Paper 5) Gehrer, A., Woisetschlger, J., Jericha, H.
 

Summary: Schaufelkühlung (Paper 5)
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172
PAPER 5
Gehrer, A., Woisetschläger, J., Jericha, H.
"Blade Film Cooling by
Underexpanded Transonic Jet Layers"
ASME Paper 97-GT-246
Schaufelkühlung (Paper 5)
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173
ABSTRACT
The evolution of increasing turbine inlet temperature has
led to the necessity of full-coverage film cooling for the first turbine
vane and blade. A new approach using high speed wall jets for blade
cooling has been proposed by the authors. In this paper a 2-D
upwind-biased Navier-Stokes code is used to calculate the
aerodynamic behaviour of these surface coolant jets in a linear
cascade. Special emphasis is put on the investigation of the coolant
flow around the leading edge. Various numerical results concerning

  

Source: Arno, Gehrer - Institute for Thermal Turbomachinery and Machine Dynamics, Technical University Graz

 

Collections: Energy Storage, Conversion and Utilization