... with a gerotor-type design. A fluid model of the gerotor screw vacuum pump (GSVP) is developed, and the impact of span angle (SA) design on the fluid flow characteristics of the GSVP is analyzed using computational fluid dynamics (CFD). To evaluate the GSVP's pumping performance under atmospheric pressure...

.... It is based on computational fluid dynamics (CFD) theory and can automatically determine the difference in torque between the compressor and turbine, while ensuring systemic balance. The performance and flow field of the MTE were assessed based on TBD method under rated operating conditions. Compared...

... dynamics (CFD)-based multiphase flow modeling and machine learning analysis. This study combines CFD multiphase flow modeling with machine learning algorithms to enhance understanding of HPU behavior, specifically regarding air entrainment and material efficiency. Through 300 simulations, the analysis...

.... In the present paper, we calibrate a rotation–curvature correction to the shear stress transport (SST) turbulence model to improve the accuracy of pump performance predictions through computational fluid dynamics (CFD) for a wide range of relative flow rates. The new formulation was achieved through comparison...

... 08 2024 16 10 2024 21 11 2024 VAWTs multi-rotors hydrokinetic turbines CFD turbine arrays While horizontal-axis turbines are generally considered to be more efficient and technologically mature, representing the state of the art in the wind energy industry [ 1...

.../D = 10, α = 45 deg e-mail:  [email protected] e-mail:  [email protected] e-mail:  [email protected] 1 Corresponding author. e-mail:  [email protected] 23 04 2024 12 09 2024 23 10 2024 CFD turbulence bluff body 2D-RANS...

...Prantik Mondal; Sandip Kumar Lahiri; Kartik Chandra Ghanta The study aimed to assess the flow characteristics of water–air and silicone oil–air in a vertical upward pipe, utilizing computational fluid dynamics (CFD) simulations with the volume of fluid (VOF) model. Structured meshes with various...

... and the lower one. To find the minimum number of simulations to be performed within defined limits, and reduce the number of computational fluid dynamics (CFD) simulations that cause high computational cost, Taguchi method was employed. In this study, average thrusts were calculated for the preliminary design...

... multistage mixed-flow ESP gas-liquid two-phase flow hydraulic characteristics pressurization deterioration CFD National Natural Science Foundation of China 10.13039/501100001809 51888103 Electrical submersible pump can transfer multiphase working fluids under pressure by converting...

... Simulation ,” Corros. Sci. , 77 , pp. 334 – 341 . 10.1016/j.corsci.2013.08.022 [19] Lin , C. H. , and Ferng , Y. M. , 2014 , “ Predictions of Hydrodynamic Characteristics and Corrosion Rates Using CFD in the Piping Systems of Pressurized-Water Reactor Power Plant ,” Ann. Nucl...

[email protected] ground effect large eddy simulation aerodynamics vortex shedding CFD Operating in ground proximity, an airfoil’s lift force behavior is most likely to improve, leaving aircraft designers intrigued. A wing-in-ground (WIG) craft has wings moving just above the water surface...

... with detailed analysis of the mechanisms at play. Computational data in this figure is filtered using a Savitzky-Golay filter to reduce signal noise [ 30 ]. The width of the frequency bins is larger for the CFD data by approximately two orders of magnitude owing to differences in the duration of data...

... dynamics (CFD) tools, supported by available experimental data for validation purposes, has been established. Physical parameters such as water–air interface, temperature, pressure, entropy production, vorticity, and shear strain rate are presented for a baseline geometry taken from the open literature...

... methane-oxygen oxyfuel cutting flame subject to electric bias voltages. As such, the equations describing combustion, electrochemical transport for charged species, and potential are solved through a commercially available finite volume computational fluid dynamics (CFD) code. The reactions of the methane...

.... Theory Modell. , 17 ( 2 ), pp. 294 – 315 . 10.1080/13647830.2012.759278 [65] Celik , I. B. , Ghia , U. , Roache , P. J. , and Freitas , C. J. , 2008 , “ Procedure for Estimation and Reporting of Uncertainty Due to Discretization in CFD Applications ,” ASME J...

... 08 11 2022 24 01 2023 10 02 2023 HVAC ductwork CFD simulation combination effect vanes baffles Bundesministerium für Wirtschaft und Energie 10.13039/501100006360 LuftKonVerTeR/BMWi 03ET1606A Pressure losses of combinations of components [ 1 – 4 ] do...

..., the regularization-based machine learning model is trained on a subset of the considered reduced frequency range and a subset of the NACA00 series airfoils. The model predictions are in good agreement with the computational fluid dynamics (CFD) results, in the reduced frequency range for the selected test NACA00...

... analysis of the flow field around the tyres for the two rims investigated. When possible, experiments and CFD data are compared to each other to demonstrate the accuracy of the numerical method. The force coefficients are presented in Fig. 12 . For the closed rim, all patterns result in a lower...

... angle ( α ) and parameterized from 45 deg to 90 deg. Computational fluid dynamics (CFD) is used to simulate a 1/8th truck model called ground transportation system (GTS) at a Reynolds number (Re) of 1.6 × 10 6 and yaw angles ( Ψ ) = 2.5 deg–14 deg. At α = 90 deg, the rolling moment (Cr) and side force...

... [32] Fu , P. , and Farzaneh , M. , 2010 , “ A CFD Approach for Modeling the Rime-Ice Accretion Process on a Horizontal-Axis Wind Turbine ,” J. Wind Eng. Ind. Aerodyn. , 98 ( 4–5 ), pp. 181 – 188 . 10.1016/j.jweia.2009.10.014 [33] Stebbins , S. J. , Loth , E...