Simulations have become an integral part of the product design process within electronic industry. Thermal management has always been a concern within any electronic assembly as electronic components dissipate heat. But with ever reducing size of electronic products and increased need to accommodate higher power, thermal management is now one of the key tasks of any design engineer dealing with electronic product design.

Multiphase flow is the simultaneous flow of two of more phases. Multiphase flow phenomenon is commonly observed in many natural and industrial environments. CFD is extensively used in design of equipment and processes which involve multiphase flows. Knowledge and proficiency of modeling multiphase flow is a highly distinguished area in chemical and mechanical engineering industry. In the recent years, CFD has become a highly productive tool for modeling multiphase flows in various industrial applications.

CFD has evolved to a great extent, as a tool for design and modeling of rotating machinery. It is now widely used and has become almost an essential component when it comes to design and analysis of rotating machinery. There is continuous effort to develop automated approaches and standard practices of applying CFD to model flow through rotating machinery. Application of CFD to rotating machinery or turbomachinery produces enhanced performance, shorter design cycles, reduced cost and quick resolution of design issues. Some of the applications of CFD for rotating machinery or turbomachinery flow analysis are turbine blade simulations, complete internal flow simulations of turbomachinery, cavity flows, and heat transfer as well as reactive flow simulations.

CFD which is defined as ‘Computational Fluid Dynamics’ has become an important method to numerically analyse and visualize fluid flow and heat transfer using computer based simulations. It started as a highly specific academic research field and has now grown into a common simulation tool to perform industrial and academic design studies. CFD tools are used hand in hand with experimental methods and reduce product design and development duration to a great extent. They have given rise to what is referred to as ‘numerical experiments for design’ where we can virtually see the effects of various design changes and then zero in on the final prototype design in order to perform experiments.

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