convert this to R value


  #1  
Old 07-04-16, 08:24 AM
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convert this to R value

considering cork panels for thermal barrier
thermal insulation rating is .042 Kcal/m^3 h^0 C
how do I convert this to an R value?
thank you
 
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Old 07-04-16, 09:18 AM
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Google can find about anything you want to know. Here is one site I found.
 
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Old 07-04-16, 03:22 PM
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Ok engrav, help me sort it out. A Kcal/m I believe can convert to watts (I think) but the rest looks like hours to the zero power times degree centigrade which makes no sense. It is hard with our limited character selection so can you tell me in words what the terms are.

Bud
 
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Old 07-05-16, 02:41 PM
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Wow, that is going to be some interesting math, I will also take a shot and see if I can figure it out.

 
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Old 07-05-16, 03:13 PM
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At my age I like to take on any math I can handle just to keep the knowledge active. I have calculators everywhere but enjoy doing much long hand. When was the last time you did a sq root long hand. There is a story behind that but too long for here .

Looking at his post I think I figured out what he is saying, but haven't gotten back to converting it.

.042 Kcal/m^3 h^0 C The units are Kcal per (cubic meter x hours x degrees C). I was misreading it before. But I'm still not sure what to do with the cubic meter. Typical r values are per ft.

More thinking and like I'm not really good at it but like to exercise what I have left.

Bud
 
 

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