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Thermal Conducitivity of Firebrick

Thermal Conducitivity of Firebrick

Thermal Conducitivity of Firebrick

(OP)
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?

RE: Thermal Conducitivity of Firebrick

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=OaifI1URy90C&pg=PA209&lpg=PA209&dq=astm+c201+firebrick&source=bl&ots=5Px6GuGRdh&sig=0FLMDLdQv8xiDeyXgqqnZznRNtw&hl=it&ei=bRusTOafJcjEswbL0PzGBA&sa=X&;oi=book_result&ct=result&resnum=2&ved=0CB8Q6AEwAQ#v=onepage&q&f=false

RE: Thermal Conducitivity of Firebrick

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

RE: Thermal Conducitivity of Firebrick

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."  

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