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Keywords: channel flow
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041018.
Published Online: July 25, 2011
... is an additional indication of the positive effect of the diffuser redesign on the engine behavior. channel flow computational fluid dynamics exhaust systems gas turbines Mach number swirling flow turbulence Diffusers are used in different technical applications for pressure recovery, i.e...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031007.
Published Online: July 14, 2011
...% for δ = 0.2 and by 45% for δ = 0.3 on the leading side from that of the stationary case. 08 07 2010 22 07 2010 14 07 2011 14 07 2011 blades boundary layers channel flow Coriolis force flow simulation heat transfer turbines Modern turbine blades are exposed...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011022.
Published Online: June 1, 2011
.... It has been shown that the ideal spacing for orthogonal ribs is approximately P / e = 10 . Studies by Rau et al. ( 22 ), Han et al. ( 23 ), Hirota et al. ( 24 ), Liou et al. ( 25 ), Taslim and Wadesworth ( 26 ), and Yokosawa et al. ( 27 ) have offered the above insight on ribbed channel flow...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031024.
Published Online: December 7, 2010
.... These devices enhance the cooling effectiveness by augmenting convective heat transfer and turbulence transport coefficients, besides increasing the surface area for convective heat transfer. aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031008.
Published Online: November 12, 2010
.... Local convection coefficients are the result of both the jet impact, as well as the channel flow produced from the exiting jets. Numerous studies have explored the effects of jet array and channel configurations on both target and jet plate heat transfer coefficients. However, most current studies use...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021017.
Published Online: October 25, 2010
... Using Thermochromic Liquid Crystals ,” Proc. Inst. Mech. Eng., Part A 0957-6509 , 221 , pp. 793 – 801 . 10.1243/09576509JPE464 Gnielinski , V. , 1976 , “ New Equation for Heat and Mass Transfer in Turbulent Pipe and Channel Flow ,” Int. Chem. Eng. 0020-6318 , 16 ( 2 ), pp. 359...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021003.
Published Online: October 19, 2010
... transfer induced by the Coriolis force generally perceived in a ribbed or smooth channel is less evident in a pin-fin channel. 16 07 2009 05 09 2009 19 10 2010 19 10 2010 blades channel flow Coriolis force gas turbines rotational flow turbulence gas turbine blade...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021001.
Published Online: October 5, 2010
... 13 07 2009 05 10 2010 05 10 2010 blades channel flow gas turbines heat transfer The applications for gas turbines range from land based power generation to aircraft engines (commercial and military) to the oil and gas industry. Clearly, the efficiency and power...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031014.
Published Online: April 2, 2010
... aerospace components aerospace engines approximation theory channel flow convection cooling design engineering gas turbines hydraulic systems turbulence Gas turbine engines are used in many applications ranging from aircraft and marine propulsion to power generation. To meet demands...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021019.
Published Online: January 21, 2010
... a gas turbine blade is prevalent for trailing edge cooling. rotor blade cooling pin-fin rotating channel high rotating number boundary layer turbulence channel flow heat transfer rotational flow 20 08 2008 31 08 2008 21 01 2010 21 01 2010 Chyu , M...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021001.
Published Online: December 31, 2009
... being used in this study. The flow field was modeled for jets with an aspect ratio of 1, 1.2, 1.5, and 2, and for circular jet with a hole axis inclined by 30 deg upstream into the oncoming channel flow. Angling of the hole has been shown to improve jet penetration ( 13 14 ), but is difficult...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041017.
Published Online: July 9, 2009
... to predict the rotational heat transfer in the equilateral triangular channel. 29 08 2008 21 09 2008 09 07 2009 blades channel flow compressed air systems compressible flow cooling gas turbines Modern gas turbine blades operate at high temperatures to improve efficiency...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2009, 131(4): 044501.
Published Online: June 30, 2009
... negligible compared with the primary variables such as the suction ratio and extraction angle.o 07 12 2007 31 08 2008 30 06 2009 blades boundary layers channel flow combustion computational fluid dynamics cooling gas turbines heat conduction jet engines thin film devices...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021017.
Published Online: February 3, 2009
... blades channel flow stators turbines vortices wakes As more demand is placed on gas turbines, it is vital that these engines operate as efficiently as possible. Increasing the thermal efficiency of the engine can be achieved by increasing the temperature of the working gas entering...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021012.
Published Online: January 29, 2009
... ) . 13 09 2007 25 07 2008 29 01 2009 channel flow convection engines friction gas turbines turbulence Modern high-performance gas turbine engines operate at high entry gas temperature, well above the allowable metal temperature. Therefore, highly efficient cooling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021002.
Published Online: January 22, 2009
... curvature exists for which heat transfer is the highest. 25 07 2006 18 09 2006 22 01 2009 blades channel flow coolants ducts heat transfer mass transfer Internal blade cooling involves serpentine passages inside the blade through which coolant air is passed to absorb heat...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011021.
Published Online: November 26, 2008
... both on the nose and sidewalls; (b) even for an axial to jet mass flow ratio as high as 5, the convective heat transfer coefficient produced by the axial channel flow was less than that of the impinging jet without the presence of the external cross-flow; and (c) the agreement between the numerical...