Posted on 06 July 2019

Free Online Tool for Thermal Modelling of Heat Sinks

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Introduction of 2nd Generation of R-Tools

Introducing a new version of R-Tools, a free online thermal modelling tool for heat sinks, is based on an advanced three-dimensional numerical model. It is available by browsing to and completing some brief login instructions.

By Rainer Selisko, Mersen former Ferraz Shawmut


The simple but highly effective online tool provides a quick overview of technical possibilities for the construction of various heat sink solutions based on the technologies of high density Mechanically Swaged Fins (FabfinTM) and Liquid Cooling (AquasinkTM). Simulation of extruded profiles is possible too.

By filling in details of the components to be cooled, the selected heatsink and the cooling conditions the user gets a graphical source layout and a full simulation of the cooling cycle achieved. All parameters can be suitably altered and refined in order to explore various technical solutions for a given application. All simulations are stored under their respective project names on the individual user's online account. For further optimisation single parameters of the head sink model can easily be altered subsequently providing the user with a swift simulation of the impacts achieved.

The power electronic components can easily be integrated and specified

The user can also contact the Mersen/Ferraz Shawmut engineering department for additional help and information by activating a direct link. Although R-Tools is a great help for the thermal modelling of heat sinks it is no substitution for a detailed and final computation by the specialists of Mersen/Ferraz Shawmut.

R-Tools guarantees full compliance with data security and privacy protection.

All necessary parameters defined a full simulation is provided within seconds

Mersen/Ferraz Shawmut Thermal Management specializes in advanced technology solutions for Air-, Water- and Phase-Change Cooling for an extensive variety of industrial needs and requirements. The company is renowned for customized cooling solutions designed in close cooperation with its customers.

View of temperature distribution on the contact area of the base plate

Carbone Lorraine, and consequently Ferraz Shawmut, have changed their company name to "Mersen". Further information will be available in due of course.

Mersen/Ferraz Shawmut offers a comprehensive range of products for electrical and thermal protection, switch-disconnectors and isolating switches for high performance applications as well as current collectors and earthing contacts for rail systems. The company's products are used in the transport industry, for the conversion of electrical energy, power generation and distribution, industrial control technology and the improvement of power quality. In 2009, the company achieved consolidated sales of € 223 million and operated production sites on five continents. The company's German head office is based in Frankfurt am Main with branches in Eggolsheim and Mannheim.


FabfinTM and AquasinkTM are registered trade marks of Ferraz Shawmut.



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One Response

  1. avatar karim tougham abdalla says:

    hi ,i need software for thermal simultation

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