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Heat loss in W/mK and Btu/hr ft degF from oil tubes ranging temperatures 10 - 38 degC (50 - 100 degF).
Heat loss from oil pipes are indicated below:
Oil Pipes - Heat Loss
(Btu/hr ft oF)
|up to 10 oC|
(up to 50 oF)
|10 - 27 oC|
(50 - 80 oF)
|27 - 38 oC|
(80 - 100 oF)
|15 ||0.7 |
|20 ||0.7 |
|25 ||0.8 |
|40 ||2.1 |
|50 ||2.8 |
- Boiler house topics, fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency.
- Heat loss from insulated and non insulated sheltered and exposed oil tanks and pipes.
- Head or pressure loss due to friction in oil pipes - various viscosity and laminar flow.
- Oil pipes flow velocities should be kept within certain limits.
- Heat loss from lagged and unlagged, sheltered and exposed oil tanks.
- Conductive heat losses through cylinder or pipe walls.
- Steam tracing of pipe lines can be done to maintain appropriate product temperatures.
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