Heat Emission from Pipes Submerged in Oil or Fat
Heat emission from steam or water heating pipes submerged in oil or fat - assisted (forced) and natural circulation
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The viscosity of a fluid has considerable influence on the heat transfer from a submerged heating pipe. Be aware that the viscosity of a fluid is highly dependent of the temperature.
The table below can be used to indicate the heat emission from a steam pipe submerged in an oil bath .
| Application | Fluid | Heat Emission from coil surface | |
| (Btu/ft2 hr oF) | (W/m2 oC) | ||
| Steam coil with medium steam pressure and natural convection of oil | Light Oils | 30 | 170 |
| Heavy Oils | 15 - 20 | 85 - 115 | |
| Fats | 5 - 10 | 30 - 60 | |
| Steam coil with medium pressure and forced convection of oil | Light Oils | 100 | 570 |
| Heavy Oils | 60 | 340 | |
| Fats | 30 | 170 | |
- Light oils - 220 SSU at 100 oF
- Heavy oils - 1100 SSU at 100 oF
- Fats - 3833 SSU at 100 oF
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