Simulating Heat Transfer Using Ansys Fluent
Energy management: mastering heating and cooling processes
Learn how to use CFD to simulate the energy transport in components with external and internal flows as well as how to understand temperature-dependent processes. This training is offered as a 2-day course.
Duration
2 days
Prerequisites
Basic knowledge of Ansys Fluent
Software used
Ansys CFD
- Understanding the basic principles of energy transport in components with external and internal flows
- Solving CHT (Conjugate Heat Transfer) tasks with Ansys Fluent
- Represent forced and natural convection
- Best practice for your own simulation projects relating to heating and cooling
Description
Whether in systems and process technology, or in the automotive, aerospace or electronics industries, practically every product is subject to temperature-dependent processes and materials. In order to maintain temperature limits for components, external or internal flows are often the most efficient method. If the simulation of cooling by assuming constant heat transfer coefficients is too inaccurate for you, CHT (Conjugate Heat Transfer) calculations are the solution. Here, the temperature field is calculated in both the solid body and the fluid, and the heat transfer is explicitly resolved. In this way, you can realistically model the heat balance of complex components.
In this training, you will learn the fundamentals of energy transport in external and internal flows. With selected exercises for a variety of tasks, you will learn solutions for reliable and efficient calculation. With many best-practice tips, you will be well-equipped for your first projects related to heating and cooling.
This training is aimed at both development and simulation engineers as well as researchers who deal with the thermal management of components and systems in which heat transfer between solids and fluids plays a key role.
Detailed agenda for this 2-day training
Day 1
01 Fundamentals of Conjugate Heat Transfer (CHT)
- Introduction to energy transport
- The energy transport equation
- Dimensionless numbers
- Thermal boundary conditions
- Workshop: Heat transfer in a T-Pipe
02 Forced convection
- The thermal boundary layer
- Requirements of the computational mesh
- Transient CHT simulations
- Temperature dependent material models
- Workshop: Cooling of an E-Mobility charging plug
03 The heat transfer coefficient
- Evaluation of CHT simulations
- Various types of heat transfer coefficients
- Data transfer to Ansys Mechanical
- Workshop: Jacket cooling
04 Heat conduction in solids
- The energy equation in solids
- Modeling of thin layers
- Heat transfer resistance between solids
- Heat transport in moving solids
- Workshop: PCB component
Day 2
05 Forced convection with fans
- Simplified simulation of fans
- Fan characteristics
- Best Practice: forced convection
- Workshop: Active cooling using 3D fan model
06 Natural convection
- Theory of natural convection
- Density differences as driving forces
- Best Practice: natural convection
- Workshop: Lifting flow in a charging station
07 Radiation Modeling
- Introduction to radiation transport
- Radiation models in Ansys Fluent
- Model selection and Best Practice
- Radiation between components: S2S-Model
- Workshop: CHT simulation of an exhaust manifold
08 Workshop: Cooling of an E-Motor
- Meshing with Fluent Meshing
- Independent calculation of the flow and temperature fields
- Evaluation of the simulation results
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