Analysis of Perforated Fin Array

This project focuses on the design and thermal analysis of rectangular fin array with perforation and without perforation. Fins are commonly used to increase

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the heat transfer rate between the surrounding fluid and surfaces in heat exchange appliances. Various fin geometries available with a different shape, size, and perforation. we are going to use rectangular fins having a different percentage of perforation such that plane, 10%, 20% and 30% of perforation. The effect of perforation of the fin array by natural convection with constant heat capacity will be observed. Thermal systems using adequate emitters as fins are necessary, if we want to attain the required heat transfer rate, with the smallest quantity of material, the preparation of geometry & positioning of the fins should be optimal. Between these variations of geometry, fins have rectangular shapes are the most commonly used in fin geometry for the reason that their simple structure, low manufacture cost and high thermal efficiency.

Project Description:

    The requirements of the project our understanding of the accomplishment of natural convection heat exchange from fins and you should be having a strong understanding of how the Finite element method can be used for solving this model. For this you will need to know to design of a CAD model of fin in any of the designing software like SolidWorks, Solid Edge, CATIA etc. once CAD model is done we have to set the boundary layer for the model in preprocessing tools like Hyper works and do the analysis and fabricate the fin based on the most optimized result. Now generally while looking into the situation of heat transfers fins are used to increase the surface area but when there is a situation in which heat generated is quite high and dissipation is slow at that time we use perforated fins because the perforation increases the area of contact for the surrounding air.

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Project Implementation:

Implementation of this project will be based on the following steps:

  1. First prepare a CAD model of the model to be tested.
  2. Then make the same trial setup and calibrate it with a set of fins and base plate.
  3. Test the heat convection in the setup.
  4. Import the CAD model into a pre-analysis software for meshing
  5. Once meshing is done to test the model at a different temperature, conditions thickness length etc. to generate a database.
  6. Create a list of data with 10% perforation 20% perforation 30% and so on and even generate data for without perforation for comparison.
  7. In your trail setup test one sample and verify if your results were close enough or not.
  8. Now from the data collected which one will be more effective choose that and fabricate that model to complete this project.

Software requirements:

  1. Solid Works:software used for desinging the CAD model necessary for the simulation
  2. ANSYS:software required for doing the analysis of the CAD model to give required results
  3. HyperMesh:Software required to provide the physical properties like density, type of element, modulus of rigidity etc. to the model after which we will generate the mesh for it and from here the model will be processed in ANSYS.

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Analysis of Perforated Fin Array
Skyfi Labs Last Updated: 2021-04-01

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