
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.
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.
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.
Create shell geometry using space claim or design modeler in the workbench, assembling five designs for the fluid flow container and analyze results with CFD post.
Master tube geometry for a counter flow shell and tube heat exchanger, detailing a pipe setup with inner diameter 30 mm, outer diameter 15 mm, and tube length 360 mm.
Define boundary conditions and interfaces for a heat exchanger in Ansys CFD by naming shell, thickness, and tube boundaries, marking inlets, outlets, walls, and shell-thickness interfaces.
Generate a heat exchanger mesh in workbench for ansys cfd, using shell-thickness-tube sizing, inflation, shared topology, and interfaces, then prepare coarse to fine fluent-ready meshes.
Configure boundary conditions, solver settings, and materials (water liquid and copper) in Fluent to solve a heat exchanger problem, validate the mesh, monitor outlet temperatures, and ensure convergence.
Explore results and post processing in ANSYS CFD for a heat exchanger, extracting static pressures, temperatures, and velocities using surface triggers, centerline plots, and pathlines to assess mesh refinements.
Assess mesh independence in CFD by comparing coarse, medium, and fine meshes. Find the smallest mesh with similar results by examining error vs number of cells.
Perform a mesh independence study in workbench for design 1 by creating three meshes. Compare shell outlet temperatures to select the 1.17 million cell mesh as the recommended option.
In design 2, add inlet and outlet header systems to a shell-and-tube geometry, define plate and header assemblies, and set 3 mm inlet pipes and CFD-ready boundaries.
Apply meshing in ANSYS CFD for a heat exchanger, adjusting body sizing, selecting surfaces, and repairing geometry to generate and validate a refined mesh that improves quality and resolves overlaps.
Set up a heat exchanger CFD model in ANSYS, apply constant plate temperatures, define interfaces, run simulations to convergence, and analyze shell outlet temperatures and velocity fields.
The lecture demonstrates building and refining a three-design heat exchanger geometry in SpaceClaim, duplicating containers, creating eight baffles with precise shell dimensions, and preparing interfaces for CFD analysis.
Prepare a heat exchanger cfd mesh by validating geometry, setting backfill sizing, refining shells and baffles, generating the mesh, translating to fluent, and readying the setup for post-processing.
Master heat exchanger cfd analysis using ansys cfd explains creating and refining mesh, defining materials and boundary conditions, enabling energy equations, and interpreting shell outlet temperature results for converged simulations.
Design number four creates geometry with five tubes distributed across the cross section to maintain the same flow rate while increasing heat transfer area, comparing five-tube to single-tube performance.
Create a five-tube heat exchanger geometry in spaceclaim from scratch, arranging four outer tubes around a center tube at 11 mm spacing and 45 degrees, then extrude and apply shell.
Learn to create and name geometry in ANSYS CFD, assign inlets, outlets, walls, shells, and interfaces, split parts, group boundaries, and define non-duplicating boundary conditions in preparation for meshing.
Master heat exchanger meshing in ANSYS CFD by building a multi-zone mesh, selecting faces and boundaries, applying inflation, defining shell and tube interfaces, translating to Fluent, and verifying mesh quality.
Set up an ANSYS Fluent CFD model for a heat exchanger, define water and copper materials, enable the energy equation, apply boundary conditions, and assess convergence of outlet temperatures.
Create a detailed five-tube shell geometry with baffles in ANSYS CFD, import and modify designs, define shells and interfaces, and prepare mesh-ready boundary conditions.
Create and refine the heat exchanger CFD mesh in ansys CFD by duplicating cases, aligning parts, and defining solid, tube, and shell fluid interfaces.
Set up a from-scratch ansys cfd solution for a two-material heat exchanger using water liquid and copper, enabling energy equation, with coupled mesh interfaces and defined shell and tube boundaries.
Compare all CFD-Post cases by loading case and data, enabling energy, setting water and copper materials, applying boundary conditions and coupled walls, and optimizing initialization and time scale for convergence.
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.