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Keywords: Turbines
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. January 2012, 134(1): 011902.
Published Online: November 21, 2011
... or on the momentum thickness. Heat flux and temperature variations along the surface of a turbine blade may cause significant differences between the shapes and sizes of the velocity and thermal boundary layer profiles. Therefore, correlations are needed which relate the states of both the velocity and thermal...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. November 2010, 132(11): 114501.
Published Online: August 13, 2010
... transfer in the stagnation region. 12 10 2009 07 07 2010 13 08 2010 13 08 2010 blades cooling jets mass transfer rotational flow stagnation flow turbines impingement/effusion cooling gas turbine heat transfer Coriolis force rotation Recent increase...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 2009, 131(2): 022202.
Published Online: January 5, 2009
...André Burdet; Reza S. Abhari The pulsation of film cooling jets in turbines is driven by the near hole pressure fluctuation caused by the deterministic interaction of stator/rotor blade rows. Jet pulsation is characterized by the coolant near hole reduced frequency Ω c and the pulsation amplitude...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2007, 129(12): 1666–1675.
Published Online: May 16, 2007
... transfer on the destabilized surface and enhancing it on the stabilized surface. 30 01 2006 16 05 2007 blades channel flow coolants cooling rotational flow turbines turbine blade internal cooling heat transfer rectangular channel rotation aspect ratio Efforts...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2007, 129(12): 1686–1696.
Published Online: April 16, 2007
...Charles W. Booten; John K. Eaton The inverse discrete Green’s function (IDGF) is a heat transfer coefficient that is valid for arbitrarily complex thermal boundary conditions. It was measured using a rapid experimentation technique in a generic serpentine turbine-blade cooling passage with rib...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. October 2007, 129(10): 1384–1394.
Published Online: March 1, 2007
...S. Han; R. J. Goldstein An experimental system is designed, constructed, and operated to make local measurements of heat transfer from constant-temperature surfaces in a linear turbine cascade. The system includes a number of embedded heaters and a control system to maintain the turbine blades...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. May 2005, 127(5): 540–543.
Published Online: May 25, 2005
...H. P. Wang; S. J. Olson; R. J. Goldstein The naphthalene sublimation technique is used to investigate the development of Taylor-Go¨rtler vortices over the pressure surface of a simulated high performance turbine blade. Large spanwise variation in mass transfer is observed downstream on the pressure...
Journal Articles
Publisher: ASME
Article Type: Technology Review
J. Heat Mass Transfer. May 2005, 127(5): 544–552.
Published Online: May 25, 2005
...Neil Zuckerman; Noam Lior Uses of impinging jet devices for heat transfer are described, with a focus on cooling applications within turbine systems. Numerical simulation techniques and results are described, and the relative strengths and drawbacks of the k - ε , k - ω , Reynolds stress model...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 2005, 127(5): 513–520.
Published Online: May 25, 2005
...Atul Kohli; David G. Bogard This experimental study was performed on a single row of round holes with a 35° surface angle, representing film cooling geometry commonly used in turbine engines. Simultaneous velocity and temperature measurements were made using a cold-wire in conjunction with a LDV...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 2005, 127(5): 472–485.
Published Online: May 25, 2005
...J. Bons, Associate Professor The application of Reynolds analogy 2 St / c f ≅ 1 for turbine flows is critically evaluated using experimental data collected in a low-speed wind tunnel. Independent measurements of St and c f over a wide variety of test conditions permit assessments of the variation...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2005, 127(4): 388–392.
Published Online: March 30, 2005
...G. Medic; P. A. Durbin It is shown how natural and forced unsteadiness play a major role in turbine blade trailing edge cooling flows. Reynolds averaged simulations are presented for a surface jet in coflow, resembling the geometry of the pressure side breakout on a turbine blade. Steady...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2005, 127(4): 358–365.
Published Online: March 30, 2005
...Andrew C. Chambers; David R. H. Gillespie; Peter T. Ireland; Geoffrey M. Dailey Impingement channels are often used in turbine blade cooling configurations. This paper examines the heat transfer performance of a typical integrally cast impingement channel. Detailed heat transfer coefficient...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2005, 127(4): 393–403.
Published Online: March 30, 2005
...Ting Wang; Matthew C. Rice The surface roughness over a serviced turbine airfoil is usually multiscaled with varying features that are difficult to be universally characterized. However, it was previously discovered in low free-stream turbulence conditions that the height of larger roughness...