Heat transfer simulation

Transfer of heat from high temperature source to low temperature source is called heat transfer. The heat transfer can also take place within the system due to temperature difference at various points inside the system. The difference in temperature is considered to be ‘potential’ that causes the flow of heat and the heat itself is called as flux.

Heat transfer methods

In heat transfer fundamental, there are three modes of heat transfer between two objects: conduction, convection and radiation.

These methods have been described below:

Conduction: The transfer of heat between two solid bodies is called as conduction. It depends on the difference in temperature of the hot and cold body.

Convection: The transfer of heat between a solid surface and the liquid is called as convection heat transfer. Convection can also take place between two types of fluids like gas and liquid and also inside a fluid.

Radiation: When two bodies are at different temperatures and separated by distance, the heat transfer between them is called as radiation heat transfer. In case of the conduction and convection heat transfer there is a media to transfer the heat, but in case of the radiation heat transfer there is no media. The radiation heat transfer occurs due to the electromagnetic waves that exist in the atmosphere.

You can see all types of heat transfer modes in following picture.

Heat transfer analysis is one type of the CFD simulations. This type of CFD simulation is focused on calculating the rate of heat transfer inside and outside of a system.

Heat transfer simulations is a powerful tool to estimate the thermodynamic condition inside an industrial process and system. This type of CFD simulation can be used for:

PCB heat transfer simulation and analysis

Heat exchanger simulation and analysis

Reactor simulation and analysis

Electric board simulation

Engine heat transfer simulation

And …

ARA Co

Heat transfer simulation

Heat exchanger simulation

Convection heat transfer simulation

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محمد قربانعلی بیک

Aerodynamics is the study of air motion and movement, especially when and where the air contact with a solid. Aerodynamic is a sub-field of fluid dynamics (mechanical engineering) and gas dynamics, and many aspects of aerodynamics theory are common with them. The term aerodynamics is often used with gas dynamics, the difference being that "gas dynamics" applies to the study of the motion of all gases, and is not limited to air.

The rules of aerodynamics explain us how an airplane is able to fly. Anything that moves through air reacts to aerodynamics. Aerodynamics acts on cars, trains, ships and even motorcycles since air flows around them.

There are four main forces in aerodynamic which are lift, weight, thrust and drag. These forces make an object move up and down, and faster or slower. The aerodynamic forces do not just apply to moving objects but also it applies to buildings and structures by wind. So the aerodynamic application is not limited to transportation.

The building and environmental aerodynamics is dealing with fluid flow in the atmospheric boundary layer. Emphasis is given to the analysis of wind flow within the influence area of buildings and to the resulting wind loads on buildings and structures as well as to the study of the wind comfort and pollutant dispersion in urban areas.

CFD simulation offers the ability to conduct comprehensive, automated, multi-point optimization of designs. This process allows engineers to automatically optimize a design to a given set of performance parameters and can be used to minimize drag, or maximize mass flow or lift forces to given targets.

Aerodynamic CFD simulations includes:

- Car, Train, Ship Aerodynamics

- Drag reduction and performance optimization

- Structure Wind Load