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Master Heat Exchanger CFD analysis using ANSYS CFD
Rating: 4.3 out of 5(74 ratings)
512 students

Master Heat Exchanger CFD analysis using ANSYS CFD

CFD analysis of five designs of shell & tube heat exchanger in ANSYS CFD
Created bySijal Ahmed
Last updated 6/2024
English

What you'll learn

  • Understanding basics of heat exchanger theory and mathematical modeling
  • Learn advanced level techniques in spaceclaim to create complex models
  • Creating geometry of Heat Exchanger with various features such as shell, tubes, side plate, side plate, baffles etc
  • Creating high quality grid for various components of heat exchanger in ANSYS meshing
  • Creating interfaces for heat transfer in ANSYS meshing
  • Setting up problem in Fluent such as boundary conditions, cell zones, material properties, solver settings, report definitions etc.
  • Solving CFD model in Fluent using coupled solver and accelerating solution using time scale factor with optimum settings
  • Post processing CFD results of all five designs
  • Mesh independence study to get the mesh that is optimum to produce good results
  • Comparing results with analytical calculations and accessing performance of different components of heat exchanger in enhancing heat transfer
  • Comparing all cases in CFD post for side by side comparison

Course content

7 sections26 lectures6h 31m total length
  • Introduction4:51

    Discover heat exchanger CFD analysis using ANSYS, focusing on geometry, meshing, and solid–fluid interfaces across five geometries; perform hand calculations, setup, solution, and validation.

  • Basics of Heat Exchanger6:54

    Explore heat exchangers as devices that transfer heat from hot to cold fluids; compare parallel, counterflow, and cross-flow configurations. Discuss shell-and-tube and plate designs with tubes and tube sheets.

  • Classification of Heat exchanger based on direction of flow of fluids
  • Type of heat exchanger
  • Analytical calculations using LMTD method15:51

    Explore rating versus sizing of heat exchangers and apply the log mean temperature difference method to compute heat transfer, area, and flow rates, then derive inlet velocities for CFD analysis.

  • Log mean temperature method (LMTD) for determining heat transfer rate

Requirements

  • Basic understanding of heat transfer, heat exchangers, CFD and ANSYS CFD
  • Computer with i5/i7 processor and 16 GB RAM
  • ANSYS 2022 R1 (professional version) installed on your computer. You can use student version but you will not able to create model with more than 0.5 million cells.

Description

Heat exchangers are integral to numerous engineering systems such as power plants and process plants, facilitating the transfer of heat from high-temperature to low-temperature zones. They operate in configurations where both zones can be either separated or in direct contact, with shell and tube heat exchangers being among the most widely used designs.

  • Course Content: Gain insight into the basics of heat exchangers, their various types, heat transfer mechanisms, temperature variations, and methods for calculating key parameters based on provided data.

  • CAD Modeling in SpaceClaim: Learn to create detailed CAD models of shell and tube heat exchanger designs using SpaceClaim, starting with fundamental configurations and gradually incorporating components like baffles, tubes, tube bundles, tube plates, and shells.

  • Mesh Generation with ANSYS Meshing: Master the process of generating high-quality meshes for different heat exchanger designs using ANSYS Meshing, focusing on techniques for boundary layer meshing to accurately simulate flow dynamics and heat transfer.

  • Fluent Simulation Setup: Import meshes into Fluent via the Workbench interface to set up and execute comprehensive CFD simulations. Configure turbulence models, energy equations, material properties (e.g., water, copper), and boundary conditions for precise analysis.

  • Solver Optimization: Explore methods to optimize solver settings, initialize solutions effectively, and accelerate convergence using advanced strategies.

  • Results Analysis: Analyze simulation results such as pressure, temperature, and velocity contours to evaluate performance across different designs. Compare outlet temperatures and validate findings against analytical predictions using CFD-Post.

  • Software Requirements: Install ANSYS 2022 R1 or ANSYS Student Version (with a 512 K cell limit) to participate in the course.

  • Practical Project: Apply acquired knowledge through a practical project aimed at integrating and applying course concepts in a real-world engineering scenario.


Who this course is for:

  • Students and professionals who want to learn advanced CFD modeling for heat transfer systems especially heat exchangers