Quantitative Measuring Methods Applied For
The Mixing Phenomena Of Film Cooling
Author(s)
K. Takeishi, M. Komiyama & Y. Oda
Abstract
In this paper, the quantitative measuring methods of Pressure Sensitive Paint
(PSP), acetone Laser Induced Fluorescence (LIF) and Particle Image
Velocimetry (PIV) are presented for the measuring of a complicated mixing flow
field of film coolant and a mainstream. The time-averaged film cooling
effectiveness was accurately measured with the PSP method, when precise
calibration has been conducted. Instantaneous distributions of velocity vectors
and film cooling effectiveness were measured simultaneously near the exit of
circular hole by acetone LIF and PIV. The simultaneous measurement is very
useful not only to clear the spatial flow field of film cooling but also to confirm
the accuracy of numerical simulations of film cooling.
Keywords: film cooling, gas turbine, PSP, acetone LIF, PIV.
Keywords
film cooling, gas turbine, PSP, acetone LIF, PIV.
Related Book
Other papers in this volume
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