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  3. qualification of helium flow cooling concept.
Fluid flow, thermal engineering, experiments

qualification of helium flow cooling concept.

For a high-tech project, a conduction cooling concept based on helium flow is being consideration. The suitability and performance of this method need to be verified using numerical analysis and experiential verification to qualify the concept. The experimental results and the numerical calculations have demonstrated that helium flow cooling is a suitable method for cooling a workpiece in the high-tech project.

verifying cooling method

cooling with helium flow.

A heat flux is applied to a single channel using joule heating (resistive heating by the use of a high electric current over the channel which is used as the conductor).

A high flowrate helium flow is driven by a high pressure difference, ∆P>50 bar, through the channel.

The flow temperature is measured on both sides of the test channel to determine the heat transfer coefficient. A variety of flowrates and heat fluxes are tested. The results of the experimental are used to refine the parameters used in the CFD model until a good agreement was found between the two approaches.

test setup and CFD results of helium flow cooling concept

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Demcon multiphysics is an engineering agency with high-end expertise in the area of heat transfer, fluid dynamics, structural mechanics, acoustics, electromagnetism and nuclear physics. We support clients from a wide variety of market sectors and help them achieve their goals in research and development with deep physical insights.

We combine fundamental physical knowledge from an analytical approach with Computer Aided Engineering (CAE) simulations tools from ANSYS, MATHWORKS, COMSOL, STAR-CCM+ and FLUKA to setup, execute, analyze and evaluate numerical simulations. The use of Computational Fluid Dynamics (CFD), Finite Element Analysis (FEM / FEA), Lumped Element Modelling (LEM), Computational Electromagnetics (CEM) and Monte Carlo simulations enables us to make a virtual prototype of your design. With these techniques we can simulate the fluid and gas flows, energy exchange, heat and mass transfer, stresses, strains and vibrations in structures and the interaction of electromagnetic fields with other physical aspects like heat generation. Simulation-driven product development increases the development efficiency and reduces the product development time. Our services can therefore fully support you in the designing phase, from idea up to prototype, from prototype to final design.

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