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http://www.hitechcae.com/case-studies/cfd/pressure-drop-analysis-of-flow-through-louver-system.php
Pressure Drop Analysis of Flow through Louver System Case Study Highlights Client Profile: Louvers Manufacturer, Hong Kong Objective: To estimate the pressure drop and visualize flow properties distribution across the louvers Challenges: To develop accurate CAD model of the louver = to replicate exact profile = Identify necessary boundary conditions and
turbulence model to capture the flow properties near wall Solution: The louver profile developed through CAD model was utilized to perform CFD simulations. The simulation domain was identified and flow analysis from both the directions was performed. The pressure drop values were estimated across the louver grill. Software Used : ANSYS Fluent 15
The primary purpose of louvers is to permit the entry of light and air inside the room, while keeping out rain, direct sunshine and noise. Designing louvers require the identification of air flow rates along with the louver profile and placement angle. CFD simulations become extremely useful in such cases to visualize the flow properties and identify constraints to optimize the lover profile. A Hong Kong based louver manufacturer needed to simulate the flow across the specially designed louvers and estimate pressure drop, in order to evaluate the overall design.
The Solution The louver profile was developed through CAD tools and suitable physical constraints such as inlet air flow velocity and no slip wall conditions were applied to capture the flow physics. The pressure drop across the louvers was measured, considering flows from both the directions alternatively.This solution can also be provided using OpenFOAM, STAR CCM+, Abaqus CFD, COMSOL Multiphysics.
Benefits = Pressure drop estimation leading to the reduction in
physical test trials required = Velocity and flow distribution simulation assisted in
early design modifications
About Hi-Tech
Author: Mehul Patel CFD Consultant
Hi-Tech CAE is a division of Hi-Tech Outsourcing Services, a pioneer engineering outsourcing company since 1992 based in India & USA. It provides expert Computer Aided Engineering - CAE consulting services for engineering / product design analysis by modeling & simulation. The primary services extended include Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA), product design optimization and value engineering services to Automotive, Building / Construction, Process industry, Power Generation, Manufacturing & Heavy Engineering industries.
Phone: +1-408-338-8047 Email: info@hitechcae.com
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Hi-Tech Outsourcing Services 547 Moreland Way Santa Clara, CA 95054
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