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Pressure Drop Analysis of Flow through Louver System

Case Highlights:

Client: Louvers Manufacturer in Hong Kong

The 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

Software Used: ANSYS Fluent 15

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.

Pressure Drop Analysis of Flow through Louver System Pressure Drop Analysis of Flow through Louver System

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.

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.

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

Hi-Tech CFD 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.



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