HVAC · Heat-Transfer · Problem 9
PDF
Solution in PDF ↓
HVAC · Heat-Transfer · Problem 9
Problem & Solution
Video Synthesis
Problem: The thermal gradient across the stone wall of an outdoor fireplace is a thousand degrees.
Given: 0.05 BTU inch per hour foot square degree Fahrenheit
Approach: Just search conduction actually is probably easier but you'll find the formula under conduction through a uniform material and ...
Calc: So in our case we have a stone wall which is ten inches thick and has a thermal conductivity which is known in given of 0.05 an...
Calc: It's a fireplace right so maybe it's 70 degrees on one side and a thousand and seventy on the inside where the fire is but suff...
Result: So small q then equals five BTU per hour per foot square and that lines up with answer choice A.
Office Hours
0
Student questions asked in live office hours about this problem
No office hours coverage for this problem.