Thermal Conducitivity of Firebrick

[Furnman]

I have a standard 2800F high heat duty firebrick. Density average is 131 lbs/cu.ft.

How do I calculate the thermal conductivity (BTU-in/hr-sq. ft-f) at temperatures such as 500f, 1000f, 1500f and 2000f?

 

[IRstuff]

You might want to do a websearch:

http://www.traditionaloven.com/articles/84/firebricks-heavy-dense-fire-clay-bricks

Perhaps here:

http://www.matweb.com/search/QuickText.aspx?SearchText=firebrick

TTFN

FAQ731-376

 

[ione]

ASTM C182 - 88(2009) is the Standard test method for thermal conductivity of insulating firebrick.

ASTM C201 - 93(2009) is the Standard test method for thermal conductivity of refractories.

You might also want to glance at:

http://books.google.it/books?id=Oai...&resnum=2&ved=0CB8Q6AEwAQ#v=onepage&q&f=false

 

[moltenmetal]

The short answer is YOU DON'T- it's measured, either by you or by the manufacturer of the brick.

 

[Twoballcane]

I agree with Molten to get the definitive answer for K, but you can make the first cut at K using the heat transfer equation.

Tobalcane
"If you avoid failure, you also avoid success."