Category Archives for Process Heat Duty

Oil Sensible Heat Duty

The sensible heat duty for the oil phase is: where Q0 = oil flow rate, bpd SG = oil specific gravity C0 = oil specific heat, Btu/lb-°F (Figure 2-13) T1 = initial temperature, °F T2 = final temperature, °F

13. September 2009 by Jack
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Natural Gas Sensible Heat Duty at Constant Pressure

The sensible heat duty for natural gas at constant pressure is: Heat capacity is determined at atmospheric conditions and then corrected for temperature and pressure based on reduced pressure and temperature. The gas pseudo critical pressures and temperatures can be … Continue reading

12. September 2009 by Jack
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Heat Duty for Multiphase Streams

When a process stream consists of more than one phase, the process heat duty can be calculated using the following equation:

12. September 2009 by Jack
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Latent Heat

The amount of heat energy absorbed or lost by a substance when changing phases is called “latent heat.” When steam is condensed towater, the temperature doesn’t change, but heat must be extracted from the steam as it goes through a … Continue reading

12. September 2009 by Jack
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Sensible Heat

The amount of heat absorbed or lost by a substance that causes a change in the temperature of the substance is sensible heat. It is called sensible heat because it can be measured by the change in temperature it causes. … Continue reading

12. September 2009 by Jack
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