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Keywords: pipe flow
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Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031001.
Published Online: July 14, 2011
... measurement particle image velocimetry (PIV) cooling flow measurement heat transfer pipe flow turbomachinery turbulence vortices 2012 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031003.
Published Online: March 24, 2010
... 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 and reliability requirements. In order...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011011.
Published Online: September 17, 2009
.... aerospace engines compressors flow separation geometry optimisation pipe flow 01 09 2008 17 12 2008 17 09 2009 Area ruling has clearly had a beneficial effect on the strut-hub corner separation; the predicted net duct loss has decreased by 10%. Although the overall net duct...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011008.
Published Online: September 16, 2009
... pipe flow pipes turbines two-phase flow vents (mechanical components) Excessive thermal impact on the lubrication system hardware is one of the reasons for severe engine problems such as self-ignition, coking, and premature aging of the oil and also bearing malfunctions. This would disable...
Journal Articles
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
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
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
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
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
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 13 June 2004 01 October 2003 01 March 2004 05 05 2005 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL...
Journal Articles
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
Article Type: Technical Papers
J. Turbomach. January 2006, 128(1): 158–165.
Published Online: February 1, 2005
... Uncertainties in Single-Sample Experiments ,” Mech. Eng. (Am. Soc. Mech. Eng.) 0025-6501 , 75 , pp. 3 – 8 . 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 turbines...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 763–771.
Published Online: February 1, 2005
... pipe flow friction turbulence flow separation vortices cooling 01 10 2004 01 02 2005 The experimental measurements of Han et al. ( 20 ) were taken along three lines on the ribbed wall of the duct. The inner line was measured midway between the centerline and inside wall...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 501–506.
Published Online: December 29, 2004
..., 2004; revised manuscript received, May 27, 2004. Editor: D. 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...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 627–636.
Published Online: December 29, 2004
... transfer rotational flow pipe flow turbulence Coriolis force Since their introduction shortly before World War II, gas turbine engines have replaced reciprocating engines in nearly all civilian and military aircraft. The increase in use of gas turbines for power generation is also remarkable...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 615–626.
Published Online: December 29, 2004
... as follows: 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 cooling schemes, array jet...
Journal Articles
Article Type: Article
J. Turbomach. April 2005, 127(2): 306–320.
Published Online: December 7, 2004
... of rotation on the leading wall. However, beyond Ro = 0.12 , the Nusselt number ratio increases with rotation due to the importance of centrifugal-buoyancy at high rotation. 19 09 2003 07 12 2004 pipe flow heat transfer rotational flow flow simulation Navier-Stokes equations boundary...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2004, 126(3): 432–441.
Published Online: September 3, 2004
... in defining design criteria at an early stage. acoustic resonance pipe flow aeroacoustics rotational flow rotors stators 01 April 2003 01 February 2004 03 09 2004 Contributed by the Turbomachinery Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 212–219.
Published Online: March 26, 2004
... 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 velocimetry Doppler measurement flow measurement vortices convection 16 June 2003 01 Dec 2002...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 332–339.
Published Online: March 1, 2004
... simulation pipe flow flow control jet engines jets microfluidics Mach number flow instability flow simulation pressure measurement design engineering aircraft The recent emphasis on unmanned aerial vehicles (UAVs) includes the ability to take new risks in enhancing aircraft abilities...