... μm droplets, which carry viruses, were released from the patient’s mouth during speaking and breathing. The simulated environment was a segment of a hospital’s intensive care unit (ICU) with two nurses and two patients. Eulerian and Lagrangian approaches were used to simulate droplet movement using...

... is found to correlated with the recirculation modification. Therefore, this study provides detailed data and analysis of wake modification and drag reduction processes. Ahmed body drag reduction wake dynamics recirculation region simulation Proceedings of the ASME 2022 Fluids Engineering...

... accumulates energy previously lost ejector. Three working fluids were simulated, R-134a, R-245fa, through the expansion valve and stores it as pressure energy. The and R-1235yf. The primary findings of this study were as follows. additional pressure increases efficiency and reduces power The CFD study here...

...-temperature fuel cell using BZY membrane. fuel cell CFD PEMFC simulation CFD INVESTIGATION OF A PEMFC STACK ASSEMBLY Kevin R. Anderson1, Andrew Murphy California State Polytechnic University Pomona, CA ABSTRACT In this study 3-D CFD modeling of a cylindrical stack Proton-exchange membrane fuel...

...SIMULATION OF DYNAMIC CHARACTERISTICS OF PNEUMATIC CONTROL VALVE WITH SMART VALVE POSITIONER Chongho Youn, Kenji Saito, Motohiro Furuya Azbil Corporation Fujisawa, Japan ABSTRACT In this research, in order to predict the dynamic characteristics of a regulating valve, a mathematical model...

... According to the problem that how to choose the installation position for sewage treatment mixer was uncertain, the flow field in the sewage treatment pool was simulated by the software FLUENT 6.3, using unstructured tetrahedral grid, moving coordinate system technology, k ∼ ε turbulence model...

... mathematical models of CBF under normal and the above disease conditions that use direct numerical simulations (DNS) for the individual capillaries along with the experimental data in a one-dimensional model to determine the flow rate and the methods for regulating CBF. The model also allows us to determine...

... of obstruction in the direction of the flow(s) are proposed to achieve optimal performance of the air curtain. Experiment Simulation Air Cabinet Velocity Turbulence Infiltration Rate Proceedings of the 2009 Summer Meeting of the ASME Fluids Engineering Division August 2 5, 2009, Vail, Colorado USA...

... of numerical simulation. The hydraulic components designed initially are applied by the design method of high-speed partial emission pump. The internal flow field of the pump is simulated with the FLUENT CFD software. The distributions of absolute velocity, relative velocity and total pressure of pump...

... 30 07 2010 The process of pressure wave transmission in liquid is simulated with the moving particle semi-implicit (MPS) method. The simulation is carried out in a tube full filled with an energy absorbing liquid. Here we studied the shapes and positions of pressure waves...

... 26 03 2009 This work presents a semi-empirical simulation of an automotive climate control system equipped with a transcritical vapor compression cycle running on carbon dioxide. The cycle components (a compressor, a throttling valve, an evaporator, a gas cooler, a suction accumulator...

... 26 03 2009 Based on Reynolds-averaged continuity and Navier-Stokes equations, and moment equation of the rotational system in the accelerated rotational relative coordinate, the governing equations of the runner region are obtained. The runaway transient simulation of the Francis...

... The University of Oklahoma [email protected] Abstract Direct numerical simulations of a turbulent plane Couette flow are combined with Lagrangian scalar tracking of thermal markers that are released in the flow field to determine the behavior of an instantaneous scalar line source located at the wall...

... 04 03 2009 A three-dimensional (3-D) model of spreading and solidification was used to investigate the sequential deposition of two tin droplets for different offset landing. Numerical simulations predicted the shape and size of the landing tin droplet as it spread over a previously...

... the discrete curves representing data at different wicket gate openings. hydroturbine simulation transient valve forces Proceedings of FEDSM 03 4TH ASME_JSME Joint Fluids Engineering Conference Honolulu, Hawaii, USA, July 6 11, 2003 nearly proportionately with the differences in gate opening...

... 05 02 2009 The computer code TFSIM simulates transient and steady flow in networks defined by any combination of explicit pipes, implicit pipes, implicit open channels, and various other implicit components. Flow in explicit pipes is modeled using the fixed-grid method...

.... Discharges predicted using manifold components agree closely with those predicted using individual tee components for every branch. transient flow simulation tee junction manifold Proceedings of FEDSM 03 4TH ASME_JSME Joint Fluids Engineering Conference Honolulu, Hawaii, USA, July 6 11, 2003 v...

... terminations and so they can be inserted directly into SIMULINK ® models for time domain simulation and analysis of a total system of which the fluid lines are only internal components. The inputs to the algorithm are the internal radius and length of the line; the kinematic viscosity, density, Prandtl number...

... in the range of 20° to 50°, for the cases studied, which consider an electrically conducting flow of Reynolds number 10 4 with an electrical conductivity of σ = 1.0×10 6 (Ω m) −1 , and an applied magnetic field B = 0.2 Tesla, there is no onset of turbulence up to the end of the simulation time (6.79 s...

... 14 10 2008 In this paper the analytical and simulation modelling of the combined heat and mass transfer processes that occur in a solid desiccant wheel is carried out. Using the numerical method, the performance of an adiabatic rotary dehumidifier is parametrically studied...