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Mentor Blogs

Posts tagged with 'Electronics Cooling'

27 Jan, 2011

Robin Bornoff All good things come to those who wait. For beer this entails a trade off between anticipation and satisfaction. If, too soon after you put the room temperature beer in the fridge, you get your child to grab a beer for you, your thirst might be quenched but your satisfaction might not be. Wait too long for it to cool down and you might forget you wanted one, or go to sleep, or hit the whisky instead. … Read More

Electronics Cooling, time constant, beer, Transient

7 Jan, 2011

Robin Bornoff As the ancient proverb goes; a beer fridge without beer is like X Factor, utterly pointless. You’d have thought that by clogging up the insides of the fridge with pesky cans of beer you’d cripple it’s thermal performance. As someone once said of Simon Cowell …”O, how wrong you are”. When modelling a can of beer in FloTHERM, in fact when modelling any part or object, … Read More

Electronics Cooling, beer

4 Jan, 2011

Robin Bornoff The futility of investigating the cooling effectiveness of any empty fridge is beginning to dawn on me, the irony of which is matched only by my new-years-resolution-inspired-sobriety. Never mind, let’s see this particular study through…  Whether in a beer ridden fury or in moments of Galilean scientific investigation, you might find yourself kicking the fridge over on to its side or even … Read More

Electronics Cooling, beer

21 Dec, 2010

Robin Bornoff

Beer drinkers are notoriously quiet people and as such would not want to be disturbed by the continuous hissing and whirring of a classic compression/expansion refrigeration cycle type beer fridge. They would argue that’s why both kids and kitchens were invented. Kitchens to put the noisy fridge in, kids to go get the next beer. Electric coolers, fridges that utilise thermoelectric coolers (TECs)

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fridge, thermoelectric cooler, TEC, Electronics Cooling, beer

26 Nov, 2010

Robin Bornoff My boss, Roland, relocated from Germany to the UK a couple of years ago and has taken to life in England with alacrity. As a gift for the Mechanical Analysis product development department (Hampton Court) he bought a little fridge which has been busy ever since cooling the beer in it that everyone has been too polite to drink. A few weeks ago it stopped working. Some inquisitive minds and a couple of … Read More

Electronics Cooling, beer

25 Nov, 2010

Andras Poppe I guess, many people who had to find the metric  known as “theta-JC”  have asked themselves the question great many times: how to measure junction-to-case thermal resistance quickly and accurately?  So did my colleagues at MicReD back in 2004/2005 when they had to do contract measurement of over 80 power transistor packages. The usual answer is: read the relevant standard - such as MIL-883 or … Read More

thetaJC, thermal transient testing, Electronics Cooling, JEDEC, dual interface method, RthJC, T3ster, JESD51, junction-to-case thermal resistance

19 Nov, 2010

Robin Bornoff Power on an IC package, measure the resulting transient response of the junction temperature and from that infer a wealth of information about the structure of the package that the heat has to flow through. Such a methodology is at the heart of the Mechanical Analysis Division’s T3Ster(pronounced “trister”) product. Some simulation software vendors pitch their products as being able … Read More

MicReD, Electronics Cooling, package level thermal, T3ster

16 Nov, 2010

Andras Poppe

I never thought I would be a daily blogger, but after having read Nazita’s entry on the Quantas/A80/RR case I realized we can sweep the street in front of our own doors. Well, Nazita speaks about faith. I agree, faith is important, for example when I do my yoga exercises I also believe yoga helps me a lot. I believe, because I feel its positive effects, but I do not know, how it works exactly.

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testing system reliability, Electronics Cooling, TIM testing, LED testing, failure analysis

5 Nov, 2010

Robin Bornoff Here at the Mechanical Analysis Department we love FloTHERM and we love developing FloTHERM to ensure it keeps up with the needs and follows the trends of the electronic thermal simulation market. The latest release of FloTHERM, V9.1, has a wealth of features and benefits that continues to ensure it’s position as the #1 CFD based software tool used for such purposes. Here are the top 8… Direct … Read More

v9.1, v9, Bn, bottleneck, Add new tag, Icepak, thermal bottleneck, Electronics Cooling

28 Oct, 2010

Nazita Saye Call me jaded but there are times when I read new product press releases with a bit of trepidation – can the product really be new and improved? Or is it just a minor enhancement to existing functionality? But from time to time you do come across some real gems. Optimized heatsink design with FloTHERM 9. Image courtesy of Mentor Graphics. Earlier this week we announced the release of FloTHERM 9 … Read More

Bottleneck field, CFD, Bn, Sc, Shortcut field, Electronics Cooling

27 Oct, 2010

Robin Bornoff Simulation has, to date, focused primarily on the prediction of an operating state that is compared to a design acceptable state to judge the compliance of that design. From an electronics cooling perspective that state is often taken as the operating temperature of packaged ICs, most commonly a case (Tc) or junction (Tj) temperature. FloTHERM has, over the last 21 years, excelled in such predictions. … Read More

Electronics Cooling, CFD, thermal bottleneck

19 Aug, 2010

Nazita Saye If you knew me well then you’d know that I have a special place in my heart for things that come in little turquoise boxes from a certain retailer. Actually, as an honorary magpie, I pretty much like anything shiny– even cars and gadgets. But I want to talk about another type of shiny thing in small packages.  Today we’ll talk about high power electronic components. A few days ago I ran into a very … Read More

Electronics Cooling, Command Center, Thermacore, heat spreader

12 Aug, 2010

John Parry In my last post I pointed out a very obvious mistake in Blue Ridge Numerics’ “CFD Comparison Chart” of March 19th this year, which incorrectly stated that FloEFD can only handle incompressible sub-sonic flows. The reason I highlighted this as the most obvious mistake in the “CFD Comparison Chart” is that FloEFD can trace its history back to the Russian Aerospace Industry in the late 1980s originating … Read More

FloEFD, Fan Characterization, Global Environment Fund Management Corporation, CFD Comparison Chart, Turbomachinery, Upfront CFD, CFdesign, Blue Ridge Numerics, Jim Spann, Ed Williams, Pump Efficiency, Electronics Cooling, Rotating Reference Frame, Computational Fluid Dynamics, Solar Heating, Concurrent CFD

10 Aug, 2010

Robin Bornoff The internet is big. It’s not sentient yet, though Robert Swayer has written a compelling story of how it might ‘Wake‘. In fact it’s far from intelligent at all. Banal comments about “how we ever managed without it” will age so quickly that future historians will assume a typo, more intelligence than we currently have and take the phrase to have been “how did we ever manage with it”. It looks like … Read More

data center cooling, data centre, Data Center, FloVENT, HVAC, data centre cooling, Electronics Cooling

27 Jul, 2010

Robin Bornoff Every industry or industry sub-sector has its movers and shakers, its pioneers and thought leaders. These people have likely helped shape and evolve that industry to what it is today and what it may become in the future. For this series of ‘An Interview With…’ blog posts I will be posing the same set of questions to leading lights in the electronics cooling community to get their views on various thermal … Read More

Electronics Cooling, clemens lasance

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