Solution Pressure of Nitrogen Gas In Diesel Fuel

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SUMMARY

The discussion centers on calculating the depth at which nitrogen gas (N2) dissolves in diesel fuel under pressure. The key factor is the saturation point of diesel, where additional nitrogen will no longer dissolve, leading to bubble formation. Participants suggest consulting handbooks for tabulated data on fuel saturation and recommend seeking assistance from a librarian for further resources. Understanding the relationship between pressure and gas solubility in diesel is crucial for accurate calculations.

PREREQUISITES
  • Understanding of gas solubility principles in liquids
  • Familiarity with pressure and depth relationships in fluid mechanics
  • Knowledge of diesel fuel properties and saturation points
  • Access to engineering handbooks or resources on gas-liquid interactions
NEXT STEPS
  • Research the solubility of nitrogen in diesel fuel at varying pressures
  • Study the principles of Henry's Law as it applies to gas solubility
  • Explore engineering handbooks for tables on fuel saturation points
  • Investigate fluid mechanics concepts related to pressure and depth calculations
USEFUL FOR

Engineers, fuel scientists, and anyone involved in the storage and handling of diesel fuel who needs to understand gas solubility and pressure dynamics.

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I have an application where I am bubbling N2 into diesel at the bottom of a storage tank to register the head pressure.

I want to calculate at what depth (head pressure) the nitrogen gas would go into solution instead of creating a bubble at the bottom of the tank. Could you explain or possibly provide an example as to how to make that calculation even if it is only an approximation?

Thanks,
Bernie
 
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It will depend on the fuel saturation - for a given pressure at some point diesel oil will be saturated and no more nitrogen will get dissolved, so you will see no bubbles first, but bubbles later. I suppose these things are tabelarized in some handbooks, but I have no idea where to look. My best idea is to go to library and to ask librarian.
 
Could anyone offer any more of an explanation as to how to calculate or estimate?
 

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