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Mentor Blogs

Posts tagged with 'Electronics Cooling'

3 Jan, 2012

Robin Bornoff LED based lighting is now a very hot topic (believe me, in electronic thermal management circles that used to be funny, the first few times). Control of packaged IC junction temperatures will always have a bearing on reliability but for LEDs thermal also effects functional performance in terms of brightness and colour. The hotter they get, the dimmer they appear. A particular contradiction in the context … Read More

LED, Electronics Cooling, TERALED, LEDs, T3ster

23 Dec, 2011

Robin Bornoff Joseph Fourier led a full and interesting life. Apart from his obvious legacy of Fourier’s Law that relates the temperature difference across a solid to the steady state heat flow through it he was also once governor of lower Egypt and Permanent Secretary of the French Academy of Sciences. It was with a little more than a passing sense of irony that his belief in wrapping the body up in blankets … Read More

Electronics Cooling, die level thermal analysis, sub-micron scale

17 Nov, 2011

Robin Bornoff My colleague Ed and I were marvelling the other day at the CPU cooling unit from one of our training desktop PCs undergoing a repair. “What, all that just for that!?”. The CPU itself was but a small square wafer compared to the behemoth that was the ducted fan and heatsink with integral heatpipes mounted on top of it. Whereas transistor sizes are measured in nanometres cooling systems can … Read More

CPU cooling, Electronics Cooling, CFD, PC cooling, Heatsink

28 Oct, 2011

Robin Bornoff What do you call someone who doesn’t believe in Father Christmas? A rebel without a Claus. Right, that’s that out of the way. This week Facebook announced that it plans to build a 300,000 ft^2 data center in Lulea, Sweden. The Lulea business agency who helped attract Facebook to their city are dutifully excited as should Facebook be as they look set to capitalise on 10 months each year of … Read More

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

20 Oct, 2011

Robin Bornoff ‘Rubbish In -> Rubbish Out’ is a well accepted fact in the world of simulation. Regardless of the technical capabilities of your thermal simulation tool, the accuracy of prediction will always be tightly coupled to the accuracy of the input data. The most accurate thermal  IC package model is a so called ‘detailed’ model where all the internal construction is represented explicitly … Read More

Electronics Cooling, detailed thermal IC package models, T3ster, FloTHERM PACK, strucutre functions

18 Oct, 2011

Robin Bornoff It would only have cost me an extra £170, a small extra compared to the cost of the rest of the build, but I decided against laying thermal insulation boards directly under the underfloor electric heating mats. Surely better to leak some of the heat down to heat the 100mm thick concrete screed which would maintain its heat through those cold winter weeks, giving thermal support to the heating mats in … Read More

FloVENT, Electronics Cooling, HVAC, underfloor heating

19 Aug, 2011

Robin Bornoff

3D simulation can provide a detailed prediction of temperature and heat flux values at 10s of 1000s of points in a 3D model, experimental methods are somewhat limited in terms of the wealth of data they are capable of providing. But hey, this isn’t going to degrade into a pitched battle between simulators and experimentalists, nowadays good engineers (should) do both. “No one believes simulation

Read More

HVAC, Electronics Cooling, underfloor heating, FloVENT

11 Aug, 2011

Robin Bornoff It’s been over two years since the foundations went in for the extension we’re building on our house. In that time I’ve come to respect and somewhat rely on glib phrases such as “Good things come to those who wait” and “Patience is a virtue”. I told my better half we’d be moved in by Christmas, I didn’t say which one though. In this blog series of … Read More

FloVENT, Electronics Cooling, HVAC, underfloor heating

12 Jun, 2011

Robin Bornoff Thermal simulation of electronic systems using FloTHERM usually involve the definition of the 3D geometry and relevant material properties, specification of the power dissipation of the components as well as the ambient temperature that together lead to a numerical prediction of the resulting heat fluxes and temperatures. If the predicted component temperatures are too high then you’ve got a problem. … Read More

Electronics Cooling, active heatsink, LN2, overclocking

6 Jun, 2011

Robin Bornoff I’m a big fan of product demonstrations. Having once been an application engineer, there’s nothing quite like the thrill of showing the use of a software like FloTHERM live in front of a prospect. Concentrating on highlighting the main features of the product whilst being bombarded with a barrage of questions about it is certainly a lesson in focus. At the Gadget Show live event mentioned … Read More

liquid nitrogen, Electronics Cooling, LN2, overclocking

24 May, 2011

Robin Bornoff Automotive aftermarket modification has both mass appeal and a multi-million dollar turnover. Neon underbody lighting, enhanced radiator systems, aero-dynamic side skirts and hood scoops are but some of the ways in which you can part with your hard earned cash for that unbeatable feeling of looking sideways at the person in the car next to you as you narrow your eyes and nod your head slowly, marvelling … Read More

Heatsink, Electronics Cooling, PC, Liquid Cooling, overclocking

8 Apr, 2011

Robin Bornoff OK, so it won’t go down in the annals of history as the best April fools ever but it had me going until I tried to order it on line. Here’s what you get: April 8th 2011, Ross-on-Wye … Read More

Electronics Cooling

8 Apr, 2011

Robin Bornoff ‘Plagiarism saves time’ as can be seen in the title of this blog, a nod to Tom Hausherr’s excellent blog series, particularly Part 15 that focuses on QFNs. Whereas the internal construction of a package is of little interest when defining CAD library symbols, from a thermal simulation perspective they are absolutely critical. FloTHERM PACK can be seen as a ‘pre-processor’ … Read More

Electronics Cooling, bottleneck, QFN

7 Apr, 2011
Mechanical Analysis

We Love FloTHERM V9.2

Posted by Robin Bornoff

Robin Bornoff FloTHERM, and its sister product FloVENT, have been going since 1989. Many in the Mechanical Analysis Division in Mentor have been working on these products for that time, personally I’m up to 15 years. It’s testament to the products and their success that our passion for them continues unabated. V9.2 was released this week, the ~20th release in these product lines. Many vendors will stand … Read More

CTM, Electronics Cooling, bottleneck, FloVENT

6 Apr, 2011

Nazita Saye What a wonderful expression this is … putting feathers in our caps. I looked up the origins of this phrase and found that in the days gone by people used to put a new feather in the headgear of warriors for every enemy they defeated in battle. And the more feathers in the headdress, the more victories and the better the warrior. Our CFD battlefield is symbolic in nature but it exists nonetheless. And … Read More

Shortcut field, Bottleneck field, CFD, Award, EDN Hot 100, Electronics Cooling, Design Engineer, Design News Golden Mousetrap

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