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Underfloor Thermal Insulation; Why? Part II

In the first part of this blog I described the make up of my house extension floor 'stack-up', including a 100mm thermal insulation layer. Apart from increasing the cost and construction complexity of the build, what thermal advantage does this bring? To determine that a common methodology is employed, simulate and compare the thermal behaviour without insulation vs. with insulation and quantify the difference.


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Robin BornoffRobin Bornoff achieved a Mechanical Engineering Degree from Brunel University in 1992 followed by a PhD in 1995 for CFD research. He then joined Mentor Graphics Corporation, Mechanical Analysis Division (formerly Flomerics Ltd) as an application and support engineer, specializing in the application of CFD to electronics cooling and the design of the built environment. He is now the Product Marketing Manager responsible for the FloTHERM and FloVENT softwares. Visit Robin Bornoff's blog

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What about the thermal comfort of a person in the room, with and without insulation?

4:16 PM Oct 5, 2009

Good idea Cathy. I'd just mentioned air temperature but in terms of comfort it would be far better to look at comfort temperature in the occupied space of the room which includes the effect of mean radiant temperature, air temperature and air speed. There you go, Part III coming up!

Robin Bornoff
8:23 AM Oct 6, 2009

[...] is a link to the .pack file (6MB) of the unerfloor insulation model used in the “Underfloor Thermal Insulation; Why? Part II” blog [...]

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