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Keywords: compressible flow
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091010.
Paper No: TURBO-22-1346
Published Online: June 26, 2023
... Email: [email protected] 24 11 2022 31 05 2023 31 05 2023 26 06 2023 hot-wire anemometry calibration compressible flow real gas effects organic Rankine cycle (ORC) computational fluid dynamics (CFD) measurement techniques Hot-wire anemometry has been...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021023.
Published Online: July 7, 2011
... hybridization makes further sense for compressible flow solvers, where, as the Mach number tends to zero at walls, excessive dissipation can occur. The hybrid strategy is used to predict flow over a rib roughened surface and a jet impinging on a convex surface. These cases are important for blade cooling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041029.
Published Online: April 27, 2011
... occurs when both stall and acoustic flutters happen at the same speed. It is also found that blade stiffening has no effect on aero-acoustic flutter. 19 08 2009 28 10 2009 27 04 2011 27 04 2011 aerodynamics blades compressible flow elasticity fans turbomachinery...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041013.
Published Online: April 21, 2011
... compressible flow compressors confined flow Navier-Stokes equations 12 09 2010 20 10 2010 21 04 2011 21 04 2011 2011 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041010.
Published Online: April 20, 2011
... in that they (a) preserve the order of the space-discretization and (b) greatly reduce the error in estimating integral output. A coarse-grid CFD analysis of the compressible flow field in an annular duct for which an analytical solution is available yields a mass flow error of 62% or 2%, depending on whether the best...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031014.
Published Online: November 16, 2010
... of research in aerodynamic shape design optimization. The goal of this work is to extend the adjoint method into turbomachinery design applications for viscous and compressible flow, and to further improve the aerodynamic performance. In the work, the minimization of the entropy generation rate with the mass...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031005.
Published Online: November 12, 2010
... agreement with the available experimental data. 23 07 2009 07 08 2009 12 11 2010 12 11 2010 blades compressible flow confined flow gas turbines orifices (mechanical) swirling flow Figure 1 illustrates a typical high-presure gas-turbine stage showing the rim seal...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031006.
Published Online: November 12, 2010
... with the available experimental data, but there are insufficient published data to validate the theory for combined ingress. 23 07 2009 10 08 2009 12 11 2010 12 11 2010 compressible flow gas turbines orifices (mechanical) seals (stoppers) swirling flow In Part I of this two...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021010.
Published Online: January 12, 2010
... compressible flow compressors diffusion particle velocity analysis Future small gas turbines rely on higher efficiency and pressure ratio centrifugal compressors to achieve lower specific fuel consumption, higher specific power, and higher power to weight ratio. An efficient diffuser is essential...
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: Research Papers
J. Turbomach. July 2008, 130(3): 031017.
Published Online: May 6, 2008
... into the low pressure compression domain but also the expected hysteresis pattern of the surge loop in terms of its mass flow versus pressure characteristic. 20 02 2007 22 02 2007 06 05 2008 compressible flow compressors elasticity flow instability flow visualisation machine testing...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2005, 127(1): 107–117.
Published Online: February 9, 2005
... stability flow measurement compressible flow confined flow nozzles jets Experiments to determine the causes, precursors, and control mechanisms for stall and surge in a centrifugal compressor were conducted at the NASA Glenn Research Center over the past several years. The experimental work...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 597–605.
Published Online: February 1, 2005
... theory is presented to analyze the effects of compressibility in micro-flows (characterized by low Reynolds numbers and high Mach numbers) through hydrostatic thrust bearings for application to micro-turbomachines. The analytical model, which combines a one-dimensional compressible flow model with finite...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 606–615.
Published Online: February 1, 2005
... turbomachinery hydrostatics orifices (mechanical) Green's function methods compressible flow viscosity In a previous paper by Teo and Spakovszky ( 1 ), the authors presented an analytical model for predicting the steady-state performance characteristics of inherent-restrictor orifice hydrostatic...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 464–472.
Published Online: December 29, 2004
... boundary layer turbulence computational fluid dynamics compressors Runge-Kutta methods compressible flow wakes rotors stators 16 June 2003 01 December 2002 01 March 2003 29 12 2004 Contributed by the International Gas Turbine Institute and presented at the International...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2004, 126(3): 406–413.
Published Online: September 3, 2004
... wakes in compressible flow conditions, as in Coton et al. 17 . Hatman and Wang 12 described the physical development and the main features of the transition for different bubble types. Their results showed that the bubble characteristics are well correlated by the value of some parameters...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2004, 126(2): 268–276.
Published Online: June 15, 2004
... June 2003 01 Dec 2002 01 Mar 2003 15 06 2004 computational fluid dynamics gas mixtures compressible flow Navier-Stokes equations computational complexity In recent years, turbomachinery industry has continued to take more and more advantage of the capabilities...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2004, 126(2): 323–331.
Published Online: June 15, 2004
... compressors confined flow computational fluid dynamics Mach number subsonic flow compressible flow gas turbines The blade sections of industrial axial flow compressors require a wider range from surge to choke than typical gas turbine compressors in order to meet the high-volume flow-range...