...Chenying Zhang; Ji Pei; Wenjie Wang; Shouqi Yuan; Xingcheng Gan; Congbing Huang; Jia Chen This study comprehensively investigates the flow features and energy loss mechanisms under stall conditions based on computational fluid dynamics (CFD) and hydraulic loss visualization techniques. The three...

... with perforated baffle plates of different configurations under pitch excitation. For this, the liquid sloshing is simulated using the concepts of computational fluid dynamics (CFD) using pressure-based solver in the time domain. A detailed parametric study is carried out to develop an effective configuration...

...Anh Dinh Le; Banh Duc Minh; Chu Duc Trinh A new blade configuration is proposed to further increase the performance of a Savonius rotor through a sequence of unsteady two-dimensional (2D) computational fluid dynamics (CFD) simulations. The blade is made by a multicurve and auxiliary profiles...

.../annhyg/mel004 [13] Dubey , P. , Ghia , U. , and Turkevich , L. A. , 2017 , “ Computational Fluid Dynamics Analysis of the Venturi Dustiness Tester ,” Powder Technol. , 312 , pp. 310 – 320 . 10.1016/j.powtec.2017.02.030 [14] Sharma , A. , Ghia , U...

... Eng., 142(10), p. 101301). Both computational fluid dynamics (CFD) simulations and experiments for the centrifugal pump are conducted to support the improvement. A good agreement exists between the performance at the best efficiency points (BEPs) of different rotating speeds obtained by simulations...

... to the design of the valve structure and even the control of cavitation. The traditional design uses flow coefficient as a fixed value, however, the flow state and flow coefficient will change during valve movement. In this study, a three-dimensional transient computational fluid dynamic model for high-pressure...

..., and showing the clockwise rotation 16 02 2021 25 05 2021 15 09 2021 vortex pump pump as turbine performance viscosity Reynolds number computational fluid dynamics The vortex pump is a rotodynamic pump handling a liquid with the vortex in the chamber between a recessed...

...Long Phan; Beichao Hu; Cheng-Xian Lin; George S. Dulikravich Computational fluid dynamics (CFD) has become a popular tool compared to experimental measurement for thermal management in data centers. However, it is very time-consuming and resource-intensive when used to model large-scale data...

... in a computational fluid dynamics code to study the vaporization and condensation transport rate of the fluid. Experimental tests are conducted on a pump system to determine the true cavitation performance in terms of net positive suction head (NPSH). Experimental results are compared to simulation results...

... correctly reproduced pressure wave interactions and pressure amplitudes. e-mail:  puntorieri89@gmail.com 03 12 2020 24 03 2021 27 05 2021 computational fluid dynamics pressure transient flow water hammer numerical simulation In water hammer theory it is usual...

... processes. This computational study was validated by comparing computed with measured volumetric flowrates ingested through the suction port and the torque exerted on the pump's impeller. compressible flows Computational Fluid Dynamics free surface flows gas-liquid multiphase flows Pumps...

...-mail:  vikrantf@mail.hfut.edu.cn e-mail:  18196707116@163.com e-mail:  chjianping@hfut.edu.cn 13 07 2019 25 03 2020 30 04 2020 cone heat sink filet profiles liquid impingement heat transfer computational fluid dynamics A high rate of heat transfer was provided...

... using computational fluid dynamics (CFD)-based modeling simulations, four critical design parameters including the vortex tube radius and length, barrel radius, and the inlet width and height were optimized. NETL's open source multiphase flow with interphase exchange (MFiX) CFD code has been used...

... methods like Q and λ 2 which display vortical volumes. e-mail:  pablo-carrica@uiowa.edu 15 10 2019 20 12 2019 04 02 2020 vortices computational fluid dynamics Depending on the flow configurations, properly simplified formulations of D can be used for better...

... of reproducing four out of five mechanisms of cavitation erosion, found during experimental work. computational fluid dynamics caviation erosion prediction Cavitation is the phenomenon that consists of the formation, activity, and collapse of vapor structures inside a liquid medium. Usually...

...) pitch are considered. Computational fluid dynamics (CFD) simulations of a single stage pump are conducted on each inducer type to determine the cavitating (two-phase) and noncavitating (single-phase) performance for varying inducer tip clearance. The Rayleigh–Plesset cavitation model is used...

...Abhay Patil; Wenjie Yin; Rahul Agarwal; Adolfo Delgado; Gerald Morrison The affinity law modified for viscosity effects is further extended to include the power input and efficiency. The power input and efficiency data generated using computational fluid dynamics (CFD) are utilized to represent...

...A. J. Otaru; A. R. Kennedy This study uses novel methods, combining discrete element method (DEM) simulations for packing and computational fluid dynamics (CFD) modeling of fluid flow, to simulate the pressure drop across rigid, randomly packed beds of spheres ranging from 1 to 3 mm in diameter...

...; published online April 4, 2019. Assoc. Editor: Matevz Dular. 07 09 2018 18 02 2019 cavitation erosion Eulerian–Lagrangian bubble dynamics pressure wave computational fluid dynamics Nowadays, cavitation is recognized as an inevitable phenomenon in nozzles, fuel injectors...

.... 16–21, p. 404. homogeneous model cavitation thermodynamic effect computational fluid dynamics Cavitation is the formation of vapor phase inside the liquid phase when the local pressure becomes lower than its roughly saturated vapor pressure due to flow acceleration. Cavitation...