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Keywords: cfd
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041010.
Paper No: TURBO-24-1247
Published Online: October 25, 2024
... = blade tip velocity (m/s) V t = circumferential velocity (m/s) V x = axial velocity (m/s) ARB = ahead of the rotor blade BPF = blade passing frequency BRB = behind the rotor blade CFD = computational fluid dynamics EFD = experimental fluid dynamics L.E...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031001.
Paper No: TURBO-24-1085
Published Online: October 8, 2024
... Graphical Abstract Figure compressor supersonic through-flow variable-pitch tandem fan CFD transonic flow supersonic flow computational fluid dynamics (CFD) fan compressor and compressor aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111001.
Paper No: TURBO-23-1125
Published Online: May 23, 2024
... that generated this significant enhancement to the compressor operating range. In order to acquire the desired understanding, experimental data is presented to validate the Computational Fluid Dynamics (CFD) model and a detailed numerical investigation is presented to explain the changes in the flow field within...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011006.
Paper No: TURBO-23-1196
Published Online: October 25, 2023
.... A combination of specially designed boundary layer total pressure probe rake measurements, FRS optical rake measurements, and computational fluid dynamics (CFD) results in the inlet of a Honeywell TFE731-2 turbofan are presented. Results show that all three techniques (FRS, probe, and CFD) match within...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101011.
Paper No: TURBO-20-1415
Published Online: May 19, 2021
... boundary layer measurements. Both experiments and computational fluid dynamics (CFD) show large variations of transition location along the vane span with strong influences from endwalls and turbine outlet conditions. Both agree well with traditional transition onset correlations near midspan and show...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061008.
Paper No: TURBO-20-1241
Published Online: April 8, 2021
... optimization. The aim of this paper is to demonstrate the feasibility of using three-dimensional full assembly unsteady Reynolds-averaged Navier–Stokes (URANS) CFD for modeling surge cycles of an eight-stage high-speed compressor rig. Results from this work show stalling of the mid-stages is the surge trigger...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081009.
Paper No: TURBO-19-1229
Published Online: July 29, 2020
... in the J ournal of T urbomachinery . 03 10 2019 21 02 2020 21 02 2020 29 07 2020 turbomachinery compressors CFD manufacturing variations fan compressor and turbine aerodynamic design Geometric variations induced by a manufacturing process are typically...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2019, 141(9): 091013.
Paper No: TURBO-18-1340
Published Online: August 1, 2019
...: Li He. 28 11 2018 27 06 2019 28 06 2019 aeromechanical instabilities compressor forced response CFD multi-row Flutter and forced response in turbomachinery can lead to high cycle fatigue failure. Flutter occurs when the vibration-dependent forces cause a negative...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2015, 137(4): 041009.
Paper No: TURBO-13-1266
Published Online: April 1, 2015
... were designed. In general, it was found that circular cross section volute with radial diffuser provides higher head and efficiency. Moreover, the minimum radial force occurs at higher flowrate in circular volute geometry comparing to rectangular cross section volute. low-specific speed pump CFD...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031019.
Paper No: TURBO-13-1083
Published Online: October 25, 2013
... for the computationsl fluid dynamics (CFD) validation purposes and, finally, a wider range of working conditions (Re = 10,000, 20,000, and 40,000, Ro = 0.2, 0.4, and 0.6) were numerically explored. The selected geometry (a smooth radial channel) is rather simplified compared to modern leading edge cooling cavities...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011018.
Published Online: September 23, 2010
... turbulence convection cooling geometry modification experiment paint injection CFD conjugate heat transfer As a numerical method for heat transfer evaluation, conjugate heat transfer calculations became more important recently. While an early work by Perelman ( 17 ) was limited...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011003.
Published Online: September 11, 2009
... concepts for possible optimization were derived. Complementary numerical simulations were carried out using the commercial computational fluid dynamics (CFD) code ANSYS CFX . The motivation was to evaluate whether CFD can be used as an engineering design tool in the optimization of the heat shield...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031013.
Published Online: April 10, 2009
... − 10 deg to + 14.5 deg relative to design incidence. 05 04 2008 21 04 2008 10 04 2009 aerodynamics blades gas turbines turbomachinery MISES boundary layer method 2D cascade validation transonic off-design HPT incidence loss CFD Customers who purchase gas...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 380–386.
Published Online: April 23, 2003
... the rotor cavity and strong radial pressure gradients opposing inflow. In the present work the relative performance of a series of noncircular offtake passages has been assessed using CFD techniques. The results of this work demonstrate the degree of control that may be exercized over swirl uptake, which...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 429–438.
Published Online: July 10, 2002
... vortices computational fluid dynamics Unsteady Flow Computation Forced Response Turbomachinery Turbine Turbopumps CFD Design Turbines for liquid rocket engine applications are extreme in many aspects depending on the engine type and application. To reach high rocket engine performance...