by MP Divakar, PhD, Stack Design Automation Technical Editor, Electronics Cooling Online Prior to designing the requisite thermal management solution, engineers routinely calculate the junction temperatures of active and passive components using various methods at their disposal –finite difference grids, lumped parameter models, finite element methods, etc. The junction … [Read more...]
Book Review of Electronics Cooling (2016)
by MP Divakar, PhD, Stack Design Automation Technical Editor, Electronics Cooling Online Electronics cooling engineers and designers are used to one constant in their professional lives: change. Most of it (as far as problem solving is concerned) is change for the worse… and is challenging! The heat flux keeps increasing, the geometries keep shrinking, the available solution … [Read more...]
Design Considerations When Using Heat Pipes
By George Meyer, Celsia Inc. Introduction This article is intended to offer design guidance when using heat pipes for the most prevalent types of electronics applications: mobile to embedded computing and server type applications with power dissipation ranging from 15 W to 150 W using processor die sizes between 10 mm and 30 mm square. Discussion is constrained to … [Read more...]
Pluggable Optics Modules – Thermal Specifications, Part 1
Bonnie Mack and Terence Graham 1. Introduction Pluggable optics modules, (POMs), such as SFP, QSFP, QSFP+, QSFP28, CFP, CFP2, and CFP4 transceivers, are optical interface devices that are connected to a PCB through ports in the faceplate. A brief description of these modules is given in Table 1. Initially conceived as low power devices, the module power density has increased … [Read more...]
How to Choose the Right Solution for Effective Heat Management
(June 3, 2016) Because electronics have shrunk significantly in recent years, the solutions to cool them must be adjusted. Electropages.com suggests “a case-specific analysis must be performed as each application is subject to different circumstances,” to determine the right strategy for cooling electronics. This analysis is called “CFD analysis,” or computational fluid … [Read more...]
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