Fluid transfer low flow to high without a pump

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SUMMARY

The discussion centers on the phenomenon of fluid transfer from an 8000-gallon truck of ethanol to an 80,000-gallon underground tank without the use of a pump. The flow occurs due to the pressure differential created by a poorly ventilated tank on the truck, which allows ethanol to flow through a hose when a valve is opened. This scenario highlights the importance of understanding fluid dynamics and pressure differentials in liquid transfer systems.

PREREQUISITES
  • Fluid dynamics principles
  • Understanding of pressure differentials
  • Knowledge of tank ventilation systems
  • Basic concepts of liquid transfer methods
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  • Research fluid dynamics and pressure differentials in liquid systems
  • Study the effects of tank ventilation on fluid transfer
  • Explore practical applications of siphoning techniques
  • Investigate safety measures for transferring hazardous liquids
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Engineers, fluid mechanics students, safety professionals, and anyone involved in the transfer of liquids, particularly in industrial or hazardous contexts.

drrader5
A 8000 gallon truck of ethanol begins to flow into a tank containing 80,000 gallons of ethanol, how is this possible?
 
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drrader5 said:
A 8000 gallon truck of ethanol begins to flow into a tank containing 80,000 gallons of ethanol, how is this possible?
It appears that you have placed part of the question in the thread title and part into the message.

Possibly you mean to ask about a situation where there is ethanol in an 8000 gallon truck. A hose is run upward to the top of a larger tank with a capacity of 80,000 gallons. Contrary to expectation, when a valve on the truck is opened, some ethanol comes out of the hose end, though the flow eventually stops.

One can posit an explanation for this involving a poorly ventilated tank on the truck.
 
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jbriggs444 said:
involving a poorly ventilated tank on the truck
and a hot day?
 
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drrader5 said:
A 8000 gallon truck of ethanol begins to flow into a tank containing 80,000 gallons of ethanol, how is this possible?

The 80,000 gallon tank is underground?
 

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