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Keywords: Film Cooling
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Journal Articles
Article Type: Review Articles
J. Heat Transfer. March 2021, 143(3): 030801.
Paper No: HT-20-1368
Published Online: December 21, 2020
...Rui Zhu; Guohua Zhang; Shulei Li; Gongnan Xie Film cooling is one of the most efficient and widely used cooling methods for high-temperature components. The interaction between the film cooling jet and main flow creates the counter-rotating vortex pair (CRVP), which enhances the mixing between...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2020, 142(2): 022201.
Paper No: HT-19-1255
Published Online: December 6, 2019
...Jian Liu; Wei Du; Guohua Zhang; Safeer Hussain; Lei Wang; Gongnan Xie; Bengt Sundén Endwall film cooling is a significant cooling method to protect the endwall region and the junction region of endwall and a turbine vane, where usually a relatively high temperature load exists. This work aims...
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2014, 136(3): 031701.
Paper No: HT-13-1218
Published Online: November 15, 2013
.... Ligrani. 27 04 2013 18 08 2013 In this study, the effect of randomness of blowing ratio on film cooling performance is investigated by combining direct numerical simulations with a stochastic collocation approach. The geometry includes a 35-deg inclined jet with a plenum attached...
Journal Articles
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2013, 135(1): 011010.
Paper No: HT-12-1132
Published Online: December 6, 2012
... 14 09 2012 Large eddy simulations of film cooling from a discrete hole inclined 35 deg and fed by a plenum chamber are performed at a density ratio of 2 and blowing ratios from 0.5 to 2.0. Cylindrical holes at a length to diameter ratio of 1.75 and 3.5 are simulated issuing into a crossflow...
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Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2012, 134(3): 031006.
Published Online: January 11, 2012
... some of the heaviest thermal load over an airfoil [( 7 8 )]. The definition of the leading edge region is open to interpretation, but generally includes the first 20% of the airfoil axial chord length. Film cooling, or often termed “showerhead film cooling”, is most often the technique chosen...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 011501.
Published Online: October 28, 2011
...T. S. Dhanasekaran; Ting Wang Film cooling techniques have been successfully applied to gas turbine blades to protect them from the hot flue gas. However, a continuous demand of increasing the turbine inlet temperature to raise the efficiency of the turbine requires continuous improvement in film...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2008, 130(12): 121901.
Published Online: September 15, 2008
...Xianchang Li; Ting Wang Air-film cooling has been widely employed to cool gas turbine hot components, such as combustor liners, combustor transition pieces, turbine vanes, and blades. Studies with flat surfaces show that significant enhancement of air-film cooling can be achieved by injecting water...
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Article Type: Research Papers
J. Heat Transfer. April 2007, 129(4): 472–482.
Published Online: January 3, 2007
...Xianchang Li; Ting Wang Numerical simulation is performed in this study to explore film-cooling enhancement by injecting mist into the cooling air with a focus on investigating the effect of various modeling schemes on simulation results. The effect of turbulence models, dispersed-phase modeling...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2007, 129(4): 464–471.
Published Online: December 14, 2006
...Sangkwon Na; Tom I-P. Shih A new design concept is presented to increase the adiabatic effectiveness of film cooling from a row of film-cooling holes. Instead of shaping the geometry of each hole; placing tabs, struts, or vortex generators in each hole; or creating a trench about a row of holes...
Journal Articles
Journal Articles
Article Type: Research Papers
J. Heat Transfer. June 2006, 128(6): 509–519.
Published Online: December 9, 2005
...Xianchang Li; Ting Wang Cooling of gas turbine hot-section components, such as combustor liners, combustor transition pieces, and turbine vanes (nozzles) and blades (buckets), is a critical task for improving the life and reliability of them. Conventional cooling techniques using air-film cooling...
Journal Articles
Article Type: Research Papers: Special Issue On Boiling And Interfacial Phenomena
J. Heat Transfer. August 2006, 128(8): 752–760.
Published Online: June 24, 2005
... to this publication during his MPhil program of study. 13 05 2003 24 06 2005 water steel drops sprays two-phase flow cooling mass transfer rotational flow steel industry heat transfer cooling film cooling high temperature droplet sprays and atomization Sprays are used...