Plextek Limited

CFD-Based Thermal Management Study of PCB Assembly to Assist Cooling Fan Design

CFD-Based Thermal Management Study

Wilde undertook a CFD-based thermal management study to evaluate layout options for a critical piece of test hardware.

Objectives

Evaluate subsystem package surface temperatures for a given layout and advise on suitability of cooling fan selection.

The Modelling Process

Geometry was imported to ANSYS Design Modeler for de-featuring and clean-up. ANSYS CFX was used to determine thermal and pressure-drop characteristics of a finned heat sink. The main analysis was undertaken with ANSYS Icepak.

Fig. 1: (Courtesy: Plextek)

Business Benefits

Determined layout constraints earlier in the design process thus reducing prototype iterations and development time.

Fig. 2: (Courtesy: Plextek)

…Pleased with the time Wilde take to understand our requirements…used them on a number of projects.

Plextek Limited

About Plextek Limited

Plextek Limited is a Cambridge based electronics design house, specialising in product and systems design for communications, automotive, aerospace, defence and medical applications.

ANSYS

Ansys

Ansys Mechanical is a finite element analysis (FEA) software used to perform structural analysis using advanced solver options, including linear dynamics, nonlinearities, thermal analysis, materials, composites, hydrodynamic, explicit, and more.

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