Oil Tanks and Heat Loss

Heat loss from lagged and unlagged, sheltered and exposed oil tanks

Heat loss from sheltered and exposed, lagged and unlagged oil tanks can be found in the table below:

Heat loss
(W/m.K)
(Btu/hr ft2 oF)
Oil temperature
up to 10 oC
up to 50 oF
10 - 27 oC
50 - 80 oF
27 - 38 oC
80 - 100 oF
Unlagged Sheltered 6.8
1.2
7.4
1.3
8.0
1.4
Exposed 9.0
1.4
8.5
1.5
9.0
1.6
Lagged Sheltered 1.7
0.3
1.8
0.33
2.0
0.35
Exposed 2.0
0.35
2.1
0.38
2.25
0.4

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