Posts tagged CFD Simulation

Using Simulation to Improve Data Center Efficiency

March 22nd, 2011

This paper describes a new CFD-based modeling capability and design methodology that overcomes the limitations of conventional guidelines and traditional CFD-based approaches and is effective at addressing equipment related cooling and efficiency problems in the…read more

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The Better Box Model

August 1st, 2009

Introduction For the consumer, natural convection cooling or fan-less cooling is the method of choice. It is silent, it is reliable, it is simple, and it is environmentally sound because no additional energy is used…read more

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CFD: One measly letter away from CAD

February 1st, 2001

“The stuff you engineers design is too good,” the guy from Marketing said, “I need shoddier! Can you make them less efficient and cheaper?” I was working for a small company that made electric power…read more

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The treacherous streams

February 1st, 2001

During the development of a telecommunications product, an unpredictable phenomenon of air streams within the maze of cards and module was encountered. It could only be compared to suddenly confronting powerful inner streams in a…read more

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Beyond the arrow plot – New methods for flow visualization

January 1st, 1999

Within the realm of CFD-based flow analysis, the presentation of data is a vital issue. Researchers and developers need to gain insight, and non-technical managers and commercial staff have a critical need to understand the…read more

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Thermal interface under a plastic quad flat pack

May 1st, 1998

Introduction Plastic components are designed so that the heat is dissipated by forced or natural convection. The use of plastic packages under conditions where neither cooling method is available introduces new challenges. High heat-dissipation plastic…read more

Posted in Design, Materials, Compounds, Adhesives, Substrates, Plastics, Test & Measurement, TIMs | Comments Off

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Thermal management of handheld telecommunication products

May 1st, 1998

Introduction Recent advances in mobile communications have enabled large scale development of handheld telecommunication products. Such products include cellular phones, pagers, two-way radios, personal digital assistants (PDAs), and other wireless and wireline equipment. The technological…read more

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Experimental evaluation of the local convective heat transfer from configurations of wall-mounted cubes in a channel flow

January 1st, 1998

Figure 1: Sketches of the measurement cube. Introduction Computational fluid dynamics (CFD) codes are frequently used as design tools to predict the thermal processes in electronic circuitry. CFD codes can easily cope with a high…read more

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A simple method to estimate heat sink air flow bypass

May 1st, 1997

Introduction After selecting or designing a heat sink based upon a given air velocity orvolumetric flow rate through the fins, the thermal designer needs to determinethe total amount of flow which must be delivered in…read more

Posted in Design, Heat Sinks, Technical Brief, Test & Measurement | 1 Comment »

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Forced convection cooling of airborne electronics

May 1st, 1997

Figure 1. AFT description Fin pitch = 25.01 per in = 985 per mPlate spacing, b = 0.200 in = 5.08 x 10-3 m Fin Length = 0.111 in = 2.8 x 10-3 m Flow…read more

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DELPHI – A status report on the European -union funded project for the creation and validation of thermal models on electronic parts

January 1st, 1996

The accurate prediction of the operating temperatures of critical electronicparts at the component-, board- and system-level is seriously hampered by thelack of reliable, standardised input data. The DELPHI project is addressing thisproblem by the development…read more

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Applying computational fluid dynamics to heat sink design and selection

January 1st, 1996

Abstract This article describes how Computational Fluid Dynamics (CFD) can help inthe selection and/or design of a heat sink for electronics cooling applications.CFD modeling complements the other tools in the thermal tool kit: calculationsbased on…read more

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