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Keywords: Navier-Stokes equations
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Journal Articles
Computational Analysis of Conjugate Heat Transfer and Particulate Deposition on a High Pressure Turbine Vane
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041020.
Published Online: July 25, 2011
... was separated into fluid and solid blocks by the wall. The three-dimensional Navier–Stokes equations and turbulence equations were solved in the fluid blocks. The Fourier equation was applied in the solid body blocks. Coupling of fluid blocks and solid blocks was achieved by equating the local heat fluxes...
Journal Articles
Analysis of Unsteady Tip and Endwall Heat Transfer in a Highly Loaded Transonic Turbine Stage
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041022.
Published Online: July 25, 2011
...-Stokes equations rotors subsonic flow transonic flow turbines turbulence 02 11 2010 12 09 2010 25 07 2011 25 07 2011 This section provides a brief description of the pertinent numerical details related to this work. Further information can be found in Refs. 2 12...
Journal Articles
Minimizing Inlet Distortion for Hybrid Wing Body Aircraft
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031020.
Published Online: July 15, 2011
... Navier–Stokes equations supplemented with κ - ω -SST turbulence model. Of special interest herein is the flow physics resulting from optimization, revealing the intricate connections to the remarkable reduction in flow distortion and total pressure losses at the engine face. It is discovered...
Journal Articles
A Redesign Strategy to Improve the Efficiency of a 17-Stage Steam Turbine
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031021.
Published Online: July 15, 2011
..., a detailed description of the redesign procedure is provided, and the aerodynamic characteristics of the optimized geometry are discussed and compared with the original ones. 16 06 2009 23 08 2010 15 07 2011 15 07 2011 mechanical engineering computing Navier-Stokes equations...
Journal Articles
Hybrid LES Approach for Practical Turbomachinery Flows—Part I: Hierarchy and Example Simulations
Available to PurchasePaul Tucker, Simon Eastwood, Christian Klostermeier, Richard Jefferson-Loveday, James Tyacke, Yan Liu
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021023.
Published Online: July 7, 2011
... performance of RANS models is well catalogued in Refs. 4 5 . compressible flow jets Navier-Stokes equations turbomachinery 02 07 2010 30 07 2010 07 07 2011 07 07 2011 This notion is not only supported by numerical estimations but also experimental evidence...
Journal Articles
Hybrid LES Approach for Practical Turbomachinery Flows—Part II: Further Applications
Available to PurchasePaul Tucker, Simon Eastwood, Christian Klostermeier, Hao Xia, Prasun Ray, James Tyacke, William Dawes
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021024.
Published Online: July 7, 2011
... 07 2010 30 07 2010 07 07 2011 07 07 2011 compressors flow simulation Navier-Stokes equations turbines turbomachinery The industrial application of LES and hybrid RANS-LES is increasing. However, the more robust general solvers through which it is applied frequently...
Journal Articles
Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021021.
Published Online: June 30, 2011
... and 0.10. The computations were performed by solving the Reynolds-averaged Navier–Stokes equations (Reynolds-averaged Navier–Stokes method) with the commercial finite-volume solver FLUENT using a low-Re shear stress transport (SST) k- ω turbulence model. The numerical grids were block-structured hexahedral...
Journal Articles
Numerical and Experimental Investigation of Turning Flow Effects on Innovative Pin Fin Arrangements for Trailing Edge Cooling Configurations
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021005.
Published Online: June 22, 2011
... ,” Flow, Turbul. Combust. 1386-6184 , 78 ( 2 ), pp. 177 – 202 . 10.1007/s10494-006-9067-x 01 09 2010 21 09 2010 22 06 2011 22 06 2011 aerospace engineering aerospace engines blades flow simulation heat transfer Navier-Stokes equations Staggered arrays...
Journal Articles
Separation Control of Axial Compressor Cascade by Fluidic-Based Excitations
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041016.
Published Online: April 21, 2011
...Xinqian Zheng; Yangjun Zhang; Weidong Xing; Junyue Zhang Flow separation control was investigated on a compressor cascade using three types of fluidic-based excitations: steady suction, steady blowing, and synthetic jet. By solving unsteady Reynolds–averaged Navier–Stokes equations, the effect...
Journal Articles
Effects of Fan Speed on Rotating Stall Inception and Recovery
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041013.
Published Online: April 21, 2011
... 10 2010 21 04 2011 21 04 2011 compressible flow compressors confined flow Navier-Stokes equations rotating stall surge fan speed stall hysteresis stall inception stall recovery Recipient of the IGTI Technical Committee Best Paper Award for 2010. Rotating...
Journal Articles
Ad-Hoc Boundary Conditions for CFD Analyses of Turbomachinery Problems With Strong Flow Gradients at Farfield Boundaries
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041010.
Published Online: April 20, 2011
... of Preconditioning Methods for the Euler and Navier-Stokes Equations ( 30th VKI Lecture Series on Computational Fluid Dynamics ). Jameson , A. , 1991 , “ Time Dependent Calculations Using Multigrid, With Applications to Unsteady Flows Past Airfoils and Wings ,” AIAA Paper No. 91-1596. Bonfiglioli...
Journal Articles
Impact of Nonuniform Leading Edge Coatings on the Aerodynamic Performance of Compressor Airfoils
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041004.
Published Online: April 19, 2011
... 2008 22 02 2009 19 04 2011 19 04 2011 aerodynamics aerospace components bubbles coatings compressors computational fluid dynamics gas turbines Mach number Navier-Stokes equations turbulence Transonic or supersonic compressor blades typically have leading edge...
Journal Articles
Application of a Navier–Stokes Solver to the Study of Open Rotor Aerodynamics
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031025.
Published Online: December 7, 2010
... Summary of the blade geometrical characteristics The CFD code employed in this work is HYDRA ( 16 ). HYDRA solves the compressible Reynolds averaged Navier–Stokes equations on unstructured grids using a finite volume method. A second order spatial discretization is used with an explicit four...
Journal Articles
Aerothermal Investigation of a Rib-Roughened Trailing Edge Channel With Crossing Jets—Part II: Heat Transfer Analysis
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031024.
Published Online: December 7, 2010
... aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations temperature distribution State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over 1850 K. Since modern alloys can withstand temperatures up to about 1350 K...
Journal Articles
2D Viscous Aerodynamic Shape Design Optimization for Turbine Blades Based on Adjoint Method
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031014.
Published Online: November 16, 2010
... , A. , Pierce , N. A. , and Martinelli , L. , 1997 , “ Optimum Aerodynamic Design Using the Navier-Stokes Equations ,” Proceedings of the AIAA 35th Aerospace Sciences Meeting and Exhibit , Reno, NV. Reuther , J. , Jameson , A. , Farmer , J. , Martinelli , L. , and Saunders , D...
Journal Articles
Comparison of Steady and Unsteady RANS Heat Transfer Simulations of Hub and Endwall of a Turbine Blade Passage
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031010.
Published Online: November 15, 2010
... can be seen all along the pressure side edge and penetrate well into the passage. 27 08 2009 22 05 2010 15 11 2010 15 11 2010 blades flow instability flow simulation gas turbines heat transfer Navier-Stokes equations turbulence wakes gas turbine heat transfer...
Journal Articles
Advanced Nonaxisymmetric Endwall Contouring for Axial Compressors by Generating an Aerodynamic Separator—Part II: Experimental and Numerical Cascade Investigation
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021027.
Published Online: October 27, 2010
... simulations are required to analyze the complex blade and endwall boundary layer interaction. 05 08 2009 03 09 2009 27 10 2010 27 10 2010 aerodynamics blades compressors flow simulation Navier-Stokes equations transonic flow vortices wind tunnels An improvement...
Journal Articles
The Effect of Turning Vanes on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021017.
Published Online: October 25, 2010
..., the configurations were investigated numerically by solving the Reynolds-averaged Navier–Stokes equations using the finite-volume solver FLUENT . The numerical grids were generated by the hybrid grid generator CENTAUR . Three different turbulence models were considered: the realizable k - ε model with two-layer wall...
Journal Articles
Effect of Scaling of Blade Row Sectors on the Prediction of Aerodynamic Forcing in a Highly Loaded Transonic Compressor Stage
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021013.
Published Online: October 22, 2010
... 2009 30 07 2009 22 10 2010 22 10 2010 aerodynamics blades compressors Navier-Stokes equations rotors stators transonic flow In order to design for the mechanical integrity of gas turbine engines one of the main objectives is to ensure that the components operate...
Journal Articles
The Effect of Side Wall Mass Extraction on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel
Available to Purchase
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021002.
Published Online: October 19, 2010
... losses were determined in separate experiments by local static pressure measurements. Furthermore, a computational study was performed solving the Reynolds-averaged Navier–Stokes equations using the commercial finite-volume solver FLUENT . The numerical grids were generated using the hybrid grid...
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