| L1 |
|
(insulation thickness 1, in) |
| k1 |
|
(thermal conductivity 1, BTU per hr per ft per deg F) |
| L2 |
|
(insulation thickness 2, in) |
| k2 |
|
(thermal conductivity 2, BTU per hr per ft per deg F) |
| L3 |
|
(insulation thickness 3, in) |
| k3 |
|
(thermal conductivity 3, BTU per hr per ft per deg F) |
L4 |
|
(insulation thickness 4, in) |
| k4 |
|
(thermal conductivity 4, BTU per hr per ft per deg F) |
| hi |
|
(inside film coefficient, BTU per hr per ft2 per deg F) |
| ho |
|
(outside film coefficient, BTU per hr per ft2 per deg F) |
| Ti |
|
(inside Temperature, deg F) |
| To |
|
(outside Temperature, deg F) |