As the demanding environment for the product performance is ever increasing, the manufacturers are in need of more reliable solutions to assess materials & their properties. Their withstanding ability for extreme conditions is tested with the help of simulation and analysis procedures during product design and development. Heating and cooling methods being part of everyday manufacturing, thermal analysis helps investigate its effects, support engineering more efficient and environmentally friendly products. To study the effects of temperature fluctuations on a design and validate product decisions early in the development process, conjugate heat transfer (CHT) methodologies are applied. Conjugate heat transfer mainly corresponds with the combination of heat transfer in solids and heat transfer in fluids. Efficiently combining heat transfer in fluids and solids is the key to designing effective coolers, heaters, or heat exchangers.
Modes of heat transfer in products manufactured:
- Conduction: Diffusion of heat due to temperature gradients. A measure of the amount of conduction for a given gradient is the heat conductivity
- Convection: When heat is carried away by moving fluid. The flow can either be caused by external influences, forced convection; or by buoyancy forces, natural convection. Convective heat transfer is tightly coupled to the fluid flow solution
- Radiation: Transfer of energy by electromagnetic waves between surfaces with different temperatures, separated by a medium that is at least partially transparent to the (infrared) radiation. Radiation is especially important at high temperatures, e.g. during combustion processes, but can also have a measurable effect at room temperatures
Typical design problems involve the determination of:
- Overall heat transfer coefficient, e.g. for a car radiator
- Highest (or lowest) temperature in a system, e.g. in a gas turbine, chemical reaction vessels, food ovens
- Temperature distribution (related to thermal stress), e.g. in the walls of a spacecraft
- Temperature response in time dependent heating/cooling problems, e.g. engine cooling, or how fast does a car heat up in the sun and how is it affected by the shape of the windshield
The fluid flow and heat transfer problems can be tightly coupled through the convection term in the energy equation and when physical properties are temperature dependent. While analytical solutions exist for some simple problems, we must rely on computational methods to solve most industrially relevant applications.
DEP has decades of engineering expertise in providing detailed thermal analysis to investigate and solve problems caused by conjugate heat transfer. Our more intuitive simulation techniques link a thermal analysis with a structural and fluid sections to simulate multiple physics components at the same time.
Our experience in thermal analysis covers:
- Heat transfer analysis of devices and systems with liquids, solids and gases
- Industrial machines and electronic devices performance prediction and optimisation
- Optimization of thermal response and heat transfer efficiency
- Analysis of failures caused by thermal effects
- Analysis and optimization of heating/cooling devices
- Engineered material design for insulation and high thermal conductivity
- Evaluation of heat transfer capabilities of the product
- Measurement of surface temperatures and hot spot regions
- Design optimization for improvement in heat transfer rate and cooling capacity
Industry specific analysis includes:
For Coolant study in Turbines: CHT can be performed to improve cooling performance of the water jacket and increase engine life. Advancements in cooling for applications such as gas turbines components require improved understanding of the complex heat transfer mechanisms and the interactions between those mechanisms, which our engineers can perform without hassle. Critical cooling applications often rely on multiple thermal protection techniques, including internal cooling, external film cooling, etc. which are efficiently used by our analysis to cool components and limit the use of coolant.
Engine Temperature Study for various industries: We do extensive support for Motor and Battery CHT Analysis to get optimized design for High voltage systems. Conjugate Heat Transfer analysis provides the temperature distribution in solid and coolant of the engine and clear insight on velocity distribution and mechanism of heat transfer of coolant. Results of CHT analysis become input to structural simulations as thermal loads. We have a wide experience in Engine CHT Analysis for various type of engines like
- Passenger Cars
- Racing cars
- Commercial Vehicles
- Agricultural equipment
- Earth-moving equipment
We provide exceptional CAE Services and our commitment to provide industry leading CHT Analysis to the global clientele has continued to strengthen our reputation making us the chosen partner for engineering service in the market. We promise you the advantage of: