Radiant cooling systems (RCS) are gaining acceptance as a heating, ventilation, and air conditioning (HVAC) solution for achieving adequate thermal comfort maintaining acceptable indoor quality inside buildings. RCS well known their energy-saving potential; however, serious condensation problem hinders the growth of this technology. In order to prevent risk condensation, supply water temperatur...

Effects of various clearances variable-pitch screw vacuum pump on gas backflow internal flow field the cavity is studied. The theoretical tooth surfaces rotor are optimized by radial, normal equidistance modifications, and four types stable circumferential, shape sides obtained. calculation model in considering Couette orifice improved. three-dimensional designed, experimental prototype test de...

The performance of a heatsink with and without staggered fins is analyzed in the present work. The effect of flow resistance on thermal behavior of staggered plate heatsinks were analyzed in the present study. Ansys FLUENT has been used for the present simulation. Authors have used three different models with and without staggered arrangement. The result shows advantage of staggered heat sink o...

Pico hydro is a power plant that uses water as turbine propulsion can generate electricity by generator. This research will discuss the numerical analysis of effect number threads on blades. The process Computational Fluid Dynamic method and software used in ANSYS FLUENT. In variation 1 9 threaded blades, 2 6 threads, 3 4 threads. Based simulation results with blades highest torque at TSR 12 0....

This study presents a novel method for modelling of Eulerian incompressible fluid flow by using peridynamic differential operator. The operator is used to calculate partial derivatives in the Navier-Stokes equations. pressure Poisson equation obtain field whereas velocity obtained solving momentum numerical procedure solve equations peridynamics also provided. capability proposed model demonstr...

This paper presents the study of fluid flow and heat transfer in a plain rectangular duct of a solar air heater by using Computational Fluid Dynamics (CFD). The effect of Reynolds number on heat transfer coefficient and friction factor was investigated. A commercial finite volume package ANSYS FLUENT 12.1 is used to analyze and visualize the nature of the flow across the duct of a solar air hea...

Anais do Congresso Internacional de Engenharia Mecânica e Industrial (2764-4294) - Análise Fluidodinâmica E Térmica Do Escoamento Laminar Sobre Uma Placa Plana: Comparativo Das Soluções Numéricas Obtidas Via Openfoam Ansys/Fluent

Lattice Boltzmann method is implemented to study hydrodynamically and thermally developing steady laminar flows in a channel. Numerical simulation of two-dimensional convective heat transfer problem is conducted using two-dimensional, nine directional D2Q9 thermal lattice Boltzmann arrangements. The velocity and temperature profiles in the developing region predicted by Lattice Boltzmann method...