I don't understand what "1 BTU/hr-ft^2-R" is. Do you mean some crazy hyphenated unit-grouping like this? It looks like gibberish to me.
Boundary Conditions:
I have Ec (energy from natural convection) and Er (energy from radiation).
What do you mean by "The dL's will drop out"? In the...
Ok, I'm fairly sure I understand the process, but the specifics are harder to understand. After filling a few sticky pages up with notes, I cleaned them up into a few images for simplicity.
Even though you implied that the Biot number wasn't necessary, I tried to solve for it anyway. I...
Hello, I'm not actually asking a homework question. I'm working at an internship and have been asked a practical question about how long it will take a steel rod to change temperatures.
Homework Statement
Because it's not a problem from a textbook, I may not have all the required data, but...