Flowrate and Pressure Calculation

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Discussion Overview

The discussion revolves around calculating the maximum flow-rate of water from a circular tank and the subsequent pressure drop in a pipeline connected to it. The context includes theoretical and practical considerations related to fluid dynamics.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants inquire about the equations applicable to calculate the maximum flow-rate and pressure drop in the given scenario.
  • One participant expresses uncertainty about the use of Bernoulli's equation, suggesting that additional variables may be necessary for the calculations.
  • Another participant proposes that Bernoulli's equation can be used with certain assumptions and encourages listing known variables.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the applicability of Bernoulli's equation, with some expressing uncertainty and others suggesting it can be used under specific conditions.

Contextual Notes

The discussion highlights potential limitations regarding the assumptions needed for applying Bernoulli's equation and the necessity of identifying all relevant variables for accurate calculations.

Arin_Mukherji
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There is an atmospheric pressure circular tank of X meter diameter and Y meter height. A pipeline is connected to the bottom of the tank. The diameter of the pipe is z meters.
a) How can we calculate the maximum flow-rate of the pipe when the tank is completely filled?
b) How can we calculate the subsequent pressure drop ?
 
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Arin_Mukherji said:
There is an atmospheric pressure circular tank of X meter diameter and Y meter height. A pipeline is connected to the bottom of the tank. The diameter of the pipe is z meters.
a) How can we calculate the maximum flow-rate of the pipe when the tank is completely filled?
b) How can we calculate the subsequent pressure drop ?

What are your thoughts?

What equations do you know regarding this type of problem?

CS
 
I think I am missing one variable here. I can't use bernouly equation here. I don't know what to use.
 
Arin_Mukherji said:
I think I am missing one variable here. I can't use bernouly equation here. I don't know what to use.

You can use Bernoulli with a few assumptions. Write out the equation and list all known variables.

CS
 

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