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Keywords: numerical simulation
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071004.
Paper No: GTP-21-1605
Published Online: May 20, 2022
... seal leakage characteristics dovetail diversion groove cavity shape numerical simulation National Natural Science Foundation of China 10.13039/501100001809 52075491 Natural Science Foundation of Zhejiang Province 10.13039/501100004731 LD21E050002 An annular seal...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091012.
Paper No: GTP-20-1025
Published Online: August 31, 2020
... numerical simulation Fig. 21 Seal leakage flow rate versus inlet preswirl ratio ( Δ P =   8.27 bar, n  = 2 krpm) Seal leakage flow rate versus inlet preswirl ratio (ΔP= 8.27 bar, n = 2 krpm) Figure 22 shows the seal drag power loss versus inlet preswirl ratio. Increasing inlet...
Journal Articles
Article Type: Gas Turbines: Structures And Dynamics
J. Eng. Gas Turbines Power. October 2012, 134(10): 102510.
Published Online: August 22, 2012
... rotordynamic damping. This assumption will be validated below through the comparison of the cavity force coefficients. For the steady solutions, the desired convergent target of each numerical simulation is that the root mean square (RMS) residuals [( 19 )] of the momentum and mass equations, energy...
Journal Articles
Article Type: Gas Turbines: Industrial And Cogeneration
J. Eng. Gas Turbines Power. September 2012, 134(9): 092001.
Published Online: July 18, 2012
... stage, NASA rotor stage 37, has been numerically simulated. The evaluation of results on various performance parameters, such as total pressure ratio, inlet flow capacity, and adiabatic efficiency combined with contours of total pressure losses, entropy, Mach number, and temperature including limiting...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022002.
Published Online: December 20, 2011
...Mingcong Luo; Qun Zheng; Lanxin Sun; Qingfeng Deng; Song Li; Chunlei Liu; Rakesh K. Bhargava The inlet fogging effects on the stable range of a NASA transonic compressor stage, Stage 35, are numerically simulated and analyzed in this paper. The 3D two-phase flow fields in the compressor stage...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114503.
Published Online: May 18, 2011
...Zhigang Li; Jun Li; Xin Yan; Zhenping Feng Effects of pressure ratio and rotational speed on the leakage flow and cavity pressure characteristics of the rotating staggered labyrinth seal were investigated by means of experimental measurements and numerical simulations. The rotating seal test rig...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 121503.
Published Online: August 25, 2010
... the requirements of modern gas turbines: high specific power density, high turbine inlet temperature, and low NO x emissions. The basis for the research work is numerical simulation. With the focus on pollutant emissions, a detailed chemical kinetic mechanism is used in the calculations. A novel mixing control...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 062501.
Published Online: March 16, 2010
... Documentation , AEA Technology, Software Ltd. , Waterloo, ON, Canada . 03 03 2009 17 06 2009 16 03 2010 16 03 2010 flow simulation honeycomb structures Navier-Stokes equations seals (stoppers) labyrinth honeycomb seal leakage flow numerical simulation...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. September 2008, 130(5): 054502.
Published Online: June 5, 2008
...Hongsheng Guo; W. Stuart Neill; Gregory J. Smallwood The effect of water addition on NO formation in counterflow CH 4 /air premixed flames was investigated by numerical simulation. Detailed chemistry and complex thermal and transport properties were employed. The results show that the addition...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 011503.
Published Online: January 9, 2008
... is the numerical simulation of flow and combustion in a FLOX®-combustor [ Wünning, J. A., and Wünning, J. G., 1997, “Progress in Energy and Combustion Science,” 23, pp. 81–94; Patent EP 0463218 ] at high pressure operating conditions with emphasis on the pollutant formation. FLOX®-combustion is a highly turbulent...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 680–687.
Published Online: September 19, 2006
... for numerical simulation. Modeling the test flame with nonreflecting outlet conditions did not result in any combustion instabilities, neither with adiabatic nor with isothermal walls and without accounting for radiative losses in both cases. Nevertheless, the flow field looks relatively similar regarding...