Mass Transfer over a Film-Cooled Turbine Blade

A naphthalene sublimation technique was employed to study the mass transfer distributions over a turbine blade surface with secondary flows ejected in the spanwise direction through three rows of equally-spaced injection holes located in the leading edge region. The mass transfer measurements were c...

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Bibliographic Details
Main Authors: Ping-Hei Chen, Jr-Ming Miao
Format: Article
Language:English
Published: Wiley 1996-01-01
Series:International Journal of Rotating Machinery
Subjects:
Online Access:http://dx.doi.org/10.1155/S1023621X96000103
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Summary:A naphthalene sublimation technique was employed to study the mass transfer distributions over a turbine blade surface with secondary flows ejected in the spanwise direction through three rows of equally-spaced injection holes located in the leading edge region. The mass transfer measurements were conducted in a range of blowing ratios from 0.6 to 1.2 at two different mainstream turbulence levels (0.4% and 6.0%) while keeping the exit Reynolds number, Re⁡2, at a constant value of 397,000.
ISSN:1023-621X