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Keywords: CFD
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021008.
Paper No: GTP-21-1371
Published Online: November 1, 2021
... was used. The steady computational fluid dynamics (CFD) showed that the inlet duct has little effect on the aerodynamic performance of the fan. The results of the full passage unsteady calculation at the maximum flow rate showed that the duct has a significant influence on the suction vortexes caused...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091017.
Paper No: GTP-21-1089
Published Online: May 31, 2021
...Zongyu Yue; Chao Xu; Sibendu Som; C. Scott Sluder; K. Dean Edwards; Russell A. Whitesides; Matthew J. McNenly This work describes the development of a transported Livengood–Wu (L–W) integral model for computational fluid dynamics (CFD) simulation to predict autoignition and engine knock tendency...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031022.
Paper No: GTP-20-1701
Published Online: February 24, 2021
... its temperature characteristic and level. On the one hand, a numerical conjugate heat transfer (CHT) model of the automotive turbocharger investigated is developed using a commercial CFD-tool and a bidirectional, thermal coupling of the CFD-model with thermohydrodynamic lubrication simulation codes...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011016.
Paper No: GTP-20-1538
Published Online: January 4, 2021
... to support novel oxy-combustor designs, a high-fidelity yet numerically efficient modeling framework based on the CRUNCH CFD ® flow solver is presented, featuring key physics-based submodels relevant in this regime. For computational efficiency in modeling large kinetic sets, a flamelet/progress variable...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121014.
Paper No: GTP-20-1390
Published Online: December 2, 2020
... shape of the fan inlet bellmouth. The validity of the modified formula was verified by measuring the circumferential acoustic modes of three cooling fans with different rotor and strut counts. Furthermore, a computational fluid dynamics (CFD) numerical study was conducted using Fluent to understand...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2019, 141(9): 091012.
Paper No: GTP-18-1669
Published Online: June 25, 2019
...Chen Liu; Yipeng Cao; Yang Liu; Wenping Zhang; Xinyu Zhang; Pingjian Ming The analysis of intake silencer insertion loss (IL) was conducted using a hybrid numerical method, which combined computational fluid dynamics (CFD) and acoustic finite element method (FEM). First, an experimental test...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051003.
Paper No: GTP-18-1212
Published Online: November 22, 2018
...Yanling Li; A. Duncan Walker; John Irving Impingement cooling is commonly employed in gas turbines to control the turbine tip clearance. During the design phase, computational fluid dynamics (CFD) is an effective way of evaluating such systems but for most turbine case cooling (TCC) systems...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041013.
Paper No: GTP-18-1070
Published Online: November 20, 2018
... 20, 2018. Assoc. Editor: David L. S. Hung. 16 02 2018 12 08 2018 diesel spray ignition delay lift-off length soot CFD Diesel engine requires high efficiency and low emissions in order to meet the strong stringent emission legislation in future. A deep understanding...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2014, 136(11): 112601.
Paper No: GTP-14-1156
Published Online: May 16, 2014
... in understanding the flow mechanism within the cavity, a three-dimensional (3D) unsteady computational fluid dynamic (CFD) analysis was undertaken. Both simulated and experimental results indicated that near the rotating disk, (i) a large amount of the ingestion gas will turn around and flow out the cavity due...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. August 2014, 136(8): 084501.
Paper No: GTP-14-1062
Published Online: March 17, 2014
... to produce vectored thrust for nozzles. CFD bypass dual throat nozzle thrust-vector internal flow jet unsteady flows The vectored thrust has been the hot topic of extensive research for a long time due to its important applications in post-stall technology. It has been gradually used...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. January 2014, 136(1): 014502.
Paper No: GTP-13-1232
Published Online: October 21, 2013
... be generated, which is a potentially challenging problem for the aircraft trim and control. CFD dual throat nozzle thrust vectoring internal flow jet unsteady flows The potential benefits of fluidic thrust vectoring nozzles over fully-mechanical techniques have been widely recognized...
Journal Articles
Article Type: Gas Turbines: Structures And Dynamics
J. Eng. Gas Turbines Power. November 2012, 134(11): 112502.
Published Online: September 21, 2012
...Christos I. Papadopoulos; Pantelis G. Nikolakopoulos; Lambros Kaiktsis In the present paper, a study of stiffness and damping in sector-pad micro thrust bearings with artificial surface texturing is presented, based on computational fluid dynamics (CFD) simulations. The bearing pads are modeled...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 102805.
Published Online: May 6, 2011
... flames turbulence combustion modeling turbulence-chemistry interactions CFD spray modeling low temperature combustion Increasingly stringent emissions regulations and a focus on the reduction of green house gases have driven the development of advanced combustion technologies that can...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082504.
Published Online: April 8, 2011
... passes through the bearing and the bearing holding structure to the second one where the vent and the scavenging system are located. The investigation was performed with the combined use of experimental measurements and computational fluid dynamics (CFD) modeling. The experimental measurements were...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122803.
Published Online: August 30, 2010
... of the bowl, squish clearance and injection rate were kept constant. A commercial CFD code STAR-CD was used to model the in-cylinder flows and combustion process, and experimental results of the baseline bowl were used to validate the numerical model. The simulation results show that, bowl 3 enhance...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2010, 132(5): 052804.
Published Online: March 5, 2010
... by computational fluid dynamics (CFD). Once CFD was assessed, cold dynamic simulations of the full engine cycle were performed for several engine speeds (1500 rpm, 3000 rpm, and 4500 rpm). Steady and cold dynamic results were compared in order to assess the feasibility of the former to quantify the in-cylinder...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2009, 131(6): 062903.
Published Online: July 17, 2009
... CFD Industrial processes generally involve regions of mixing between fluids with different properties. The direct-cycle boiling water reactor (BWR) is no exception since colder heavier feed water has to mix with warmer lighter reactor water exiting the steam separators. This mixing region...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 031901.
Published Online: February 10, 2009
... aerospace engines compressibility computational fluid dynamics cooling gas turbines jets Mach number shock wave effects transonic flow film cooling louver cooling scheme shaped holes transonic airfoil shock-wave reflection flow past a wedge CFD gas turbines Film cooling...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2008, 130(6): 062808.
Published Online: August 22, 2008
... computational fluid dynamics diesel engines soot model diesel engine CFD This short note follows the presentation of a proposed soot model ( 1 ) that was essentially developed for engineering purposes, and extends it by introducing agglomeration using the elements exposed in a recent review ( 2...