... conditions. This method can help engineers effectively evaluate the insulation performance of a cryogenic container in a short time and provide guidelines for simulating a real scale tank. computational fluid dynamics gas-liquid multiphase flows Nowadays, cryogenic fluids...

... Gurney flap micro aerial vehicle trailing edge vortices flapping wings computational fluid dynamics The concept of flapping flight, as found in nature, has always been a phenomenon that has inspired biologists and engineers alike, since it benefits from a broad range of aerodynamic mechanisms...

...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...

... and drag are compared with the results on the flat substrate. Enhanced drag and significantly enhanced lift are observed as the test particle is situated near the summit of the hill. drag lift aerosolization dustiness computational fluid dynamics National Institute for Occupational Safety...

... 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...

...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...

... of Hydraulic Power Recovery Turbines (HPRTs) by the Means of Computational Fluid Dynamics (CFD) Simulations ,” Energy Procedia , 148 , pp. 170 – 177 . 10.1016/j.egypro.2018.08.046 [49] Rossi , M. , Comodi , G. , Piacente , N. , and Renzi , M. , 2020 , “ Energy Recovery...

... 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...

... fluid dynamics pressure transient flow water hammer numerical simulation continuity equation (1) ∂ h ∂ t + v ∂ h ∂ x + c 2 g ∂ v ∂ x = 0 momentum equation (2) ∂ v ∂ t + v ∂ v ∂ x + g ∂ h ∂ x...

... compressible flows Computational Fluid Dynamics free surface flows gas-liquid multiphase flows Pumps and turbomachines RANS simulations Rotating fluids unsteady flows Vacuum and lower pressures are needed in many applications, and these include drying paper in papermaking [ 1 ], freeze drying...

... of water. Jet Reynolds number (6) Re = D n u jet ν The aforementioned governing equations are solved by using a computational fluid dynamics solver fluent based on a finite volume method. Reynolds-averaged Navier–Stokes method is adopted to solve the Reynolds stress...

... 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 While the definition of a vortex is still being debated, the need to visualize flow fields has led...

.... The appropriate turbulence model must be applied in order to accurately predict cavitation inception and detachment of the cavity from solid surface. The standard k – ε model, commonly used in computational fluid dynamics, is over-estimating the eddy viscosity in mixture region and excessively attenuates...

...) 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...