Does pressure change along a vertical path with pressurized fluid at 70psi?

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Discussion Overview

The discussion revolves around the behavior of pressure in a pressurized fluid system along a vertical path, specifically in a closed-loop configuration that spans two stories. Participants explore whether the pressure changes as the fluid rises and falls within this system, which operates at a pressure of 70 psi.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant inquires if the pressure of a pressurized fluid changes along a vertical path in a closed-loop system, specifically when the fluid is pumped at 70 psi.
  • Another participant suggests that fluid pressure increases with depth, drawing an analogy to underwater pressure, and asks for clarification on the configuration of the tank and pump.
  • A different participant describes the system as a closed loop where the pump pushes fluid two stories high, followed by horizontal movement, and questions whether the closed nature of the system affects pressure consistency throughout the path.
  • One participant asks about the formal Fluid Mechanics training of the original poster to gauge their understanding of the concepts involved.
  • Another participant questions whether the scenario is based on a real system or a theoretical problem.

Areas of Agreement / Disagreement

Participants have not reached a consensus. There are multiple viewpoints regarding the impact of vertical height on pressure in a closed system, and the discussion remains unresolved.

Contextual Notes

Participants have not clarified certain assumptions, such as the specific characteristics of the fluid or the exact configuration of the system, which may influence the pressure behavior.

Kaly
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Hello, I am willing to know if the value of pressurized fluid along a rectangular path placed normal to ground (let's say 2 stories high) would show any change in pressure along the lines normal to ground. I am not worried where fluid would move horizontal to ground but what would happen when it rises or falls? would pressure change? or remain same if it is pumped at 70psi pressure let's say.
 
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Kaly said:
Hello, I am willing to know if the value of pressurized fluid along a rectangular path placed normal to ground (let's say 2 stories high) would show any change in pressure along the lines normal to ground. I am not worried where fluid would move horizontal to ground but what would happen when it rises or falls? would pressure change? or remain same if it is pumped at 70psi pressure let's say.

Welcome to the PF.

Could you please post a sketch of the configuration of the tank and pump? Fluid pressure increases as you go deeper in the vertical direction, just as you experience a greater pressure as you dive deeper underwater. Is that what you are asking about?
 
Thank you for the comment. Path is rectangular in shape. but it is closed loop so not really exposed to atmosphere. The pump sits on ground. It first pushes liquid 2 stories high. At the top fluid then it follows horizontal path then the fluid falls by 2 story height and again it flows though horizontal path, reaches the pump and is pumped again 2 story high. I am not sure if not being exposed to atmosphere keeps the value of pressure same through out the path? or no matter the system being closed or open the vertical height of water column would add to pressure at ground level.
 
How much formal Fluid Mechanics training have you had? If you had a course, what was covered?
 
Kaly, Is this a real system or just a problem someone has given to you?
 

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