Explaining Water Flow: Inlet vs Outlet Pressure

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SUMMARY

The discussion centers on the relationship between inlet and outlet pressure in a pipe system where water flows from a lower elevation to a higher elevation, assuming no friction loss. According to the Bernoulli equation, the pressure at the inlet does not equal the pressure at the outlet due to the elevation difference, which affects pressure readings. The principle of hydrostatic pressure (hρg) indicates that pressure increases with depth, confirming that the outlet pressure will be higher than the inlet pressure in this scenario.

PREREQUISITES
  • Understanding of the Bernoulli equation
  • Basic principles of fluid mechanics
  • Knowledge of hydrostatic pressure concepts
  • Familiarity with pressure measurements in fluid systems
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  • Study the Bernoulli equation in detail
  • Explore hydrostatic pressure calculations
  • Investigate the effects of elevation on fluid pressure
  • Learn about energy conservation in fluid dynamics
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Students in engineering or physics, fluid mechanics enthusiasts, and professionals involved in hydraulic systems or fluid dynamics analysis.

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Homework Statement


this is a pipe where the water flow from low to high. assuming no friction loss (volume rate are constant at both inlet and outlet) , is the pressure at inlet = pressure at outlet ? p/s : inlet and inlet diameter are same

Homework Equations

The Attempt at a Solution


my question is no ... because the outlet is somehow higher than inlet . can someone explain , please?
 

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Look up the Bernoulli equation, an energy balance that deals with this kind of thing.
 
BvU said:
Look up the Bernoulli equation, an energy balance that deals with this kind of thing.
my answer is no ... because the outlet is somehow higher than inlet . is my ans correct ? this is because the pressure at lower point is higher , according to hρ g
am i correct ?
 
Last edited:

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