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Keywords: pipe flow
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031001.
Published Online: July 14, 2011
... models. 29 06 2010 24 09 2010 14 07 2011 14 07 2011 cooling flow measurement heat transfer pipe flow turbomachinery turbulence vortices turbine blade cooling two-pass system ribs bend U-turn flow turning dean vortex separation rotation flow measurement...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031003.
Published Online: March 24, 2010
... bubbles cooling flow separation flow simulation lightweight structures liquid films Navier-Stokes equations pipe flow turbines Nowadays, in the aero-engine industry, there is an increasing demand for even higher performance and drastic reduction in engine weight while meeting the safety...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011011.
Published Online: September 17, 2009
... is that it can be used to safely increase the size of the design space in which aeroengine duct designers can operate. 01 09 2008 17 12 2008 17 09 2009 aerospace engines compressors flow separation geometry optimisation pipe flow In aeroengines, an S-shaped annular duct...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011008.
Published Online: September 16, 2009
... that is raised herein is about the flow regime in the vent pipe. The investigation of flow regimes in oil pipes was recently carried out in the ATOS program ( 4 ) and the method was applied here as well. For the vent pipe flow the Hewitt and Roberts ( 8 ) charts were used whereas for the scavenge flow the charts...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041014.
Published Online: July 6, 2009
... weight reduction limit for the integrated concept. 22 08 2008 01 10 2008 06 07 2009 pipe flow transonic flow turbines To shorten the intermediate turbine duct length and thus the engine length, a so called integrated concept (IC) has been investigated and compared...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031001.
Published Online: April 2, 2009
..., which is most appropriate for flow measurements. The design procedures necessary to achieve a desired flow condition are discussed. 09 12 2006 26 07 2008 02 04 2009 blades flow simulation heat conduction numerical analysis pipe flow turbines Large-scale efforts...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021011.
Published Online: January 29, 2009
... cross section area are found to improve the flow distribution and reduce the pressure loss significantly. 13 08 2007 05 05 2008 29 01 2009 blades flow separation Navier-Stokes equations pipe flow turbines turbulence vortices The steady increase in turbine inlet...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 816–825.
Published Online: August 4, 2006
... rib. 02 08 2006 04 08 2006 cooling ducts pipe flow turbulence gas turbines Gas turbines for military applications, when operating in harsh environments like deserts often encounter unexpected operation faults that lead to reduced time on wing per engine, which...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2005, 127(4): 659–667.
Published Online: May 24, 2005
... vicinity of the bend. The results showed that four-side-average Nu, similar to low Ro cases, increases linearly by increasing rotation number and, unlike low Ro cases, decreases slightly by increasing density ratio. 05 05 2004 24 05 2005 rotational flow pipe flow channel flow blades...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2005, 127(2): 412–421.
Published Online: May 5, 2005
... instability nozzles stators flow visualisation computational fluid dynamics aerodynamics pipe flow aerospace engines High cycle fatigue (HCF) of turbomachinery components is an important area of concern in the design and development of aircraft engines. The fundamental...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2005, 127(1): 183–190.
Published Online: February 9, 2005
... diffusion pipe flow Gas turbine heat transfer designers typically use empirical correlations based on bench scale testing to prescribe boundary conditions for pin fin and other internal cooling arrangements. Consequently, heat transfer engineers are constrained to a limited range of internal...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2006, 128(1): 158–165.
Published Online: February 1, 2005
... are investigated. The varying-diameter results are compared with those from a corresponding array of uniform jet diameter. 01 10 2004 01 02 2005 jets ducts orifices (mechanical) convection cooling gas turbines pipe flow The continuing pursuit of high inlet temperature in gas...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 501–506.
Published Online: December 29, 2004
.... Wisler. 21 May 2004 27 May 2004 29 12 2004 compressors surge protection fluctuations flow instability pipe flow In light of recent attempts to increase the stability margin of a compressor by active (Epstein et al. 1 and Blanchini et al. 2 ) or passive means...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 615–626.
Published Online: December 29, 2004
... 01 March 2004 29 12 2004 heat transfer mass transfer effusion pipe flow channel flow jets turbines Impingement/effusion cooling method is one of the advanced cooling techniques for combustor liner or turbine parts cooling in gas turbine engine. This technique combines two...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2004, 126(3): 432–441.
Published Online: September 3, 2004
...: T. Okiishi. 01 April 2003 01 February 2004 03 09 2004 acoustic resonance pipe flow aeroacoustics rotational flow rotors stators Vahdati , M. , Sayma , A. I. , Bre´ard , C. , and Imregun , M. , 2002 , “ A Computational Study of Intake Duct...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 212–219.
Published Online: March 26, 2004
... loss. Most of these studies were mainly emphasized on the heat transfer outcome without complementary flow dynamic investigations. The reason is partly that measuring fluid flow in a rotating coolant duct is a challenging. computational fluid dynamics velocity measurement pipe flow laser...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 340–348.
Published Online: March 1, 2004
... on the value of Ro. 01 10 2003 01 03 2004 flow measurement pressure measurement pipe flow blades Doppler measurement laser velocimetry computational fluid dynamics heat transfer friction Augmented internal cooling for metal blades of a gas turbine engine is the main theme...