... and operating parameters. e-mail:  Michal.hoznedl@doosan.com e-mail:  Michal.kolovratnik@fs.cvut.cz e-mail:  Kukchol.yun@gmail.com 04 08 2023 15 08 2023 25 10 2023 steam turbine wetness thermodynamic wetness loss CFD experiment optical probe pneumatic probe...

...Abdelrahman S. Abdeldayem; Salma I. Salah; Martin T. White; Abdulnaser I. Sayma In this paper, a modified loss breakdown approach is introduced for axial turbines operating with supercritical carbon dioxide (sCO 2 ) mixtures using computational fluid dynamics (CFD) results. Loss breakdown analysis...

... to varying wind speeds. e-mail:  mahdi.nakhchi@northumbria.ac.uk 15 07 2022 25 07 2022 28 09 2022 wind turbine wake-control CFD power generation yaw angle The governing equations are discretized with finite volume method. Integration of the dependent parameters over...

... 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...

...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...

... 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...

... 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...

... 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...

...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...

...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...

... 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...

... 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...

... 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...

... 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...

...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...

.... , 2008 , “ An Improved Spray Model for Reducing Numerical Parameters Dependencies in Diesel Engine CFD Simulations ,” SAE Paper No. 2008-01-0970. Abani , N. , Munnannur , A. , and Reitz , R. D. , 2008 , “ Reduction of Numerical Parameter Dependencies in Diesel Spray Models ,” ASME J...

... 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...

... 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...

... 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...

... (left view) and streamlines (right view) The single pump computational fluid dynamics (CFD) model corresponds to that of an axial PSR600 pump designed by KSB (Germany). Due to the refusal of the manufacturing company to provide suitable drawings, the impeller geometry was measured using...