Velocity Split in T-Branch Pipe Flow?

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Discussion Overview

The discussion revolves around the flow characteristics in a T-branch pipe where a supply pipe splits into two branches. Participants explore the relationship between flow rate and velocity in the context of fluid dynamics, considering factors such as resistance and cross-sectional area.

Discussion Character

  • Technical explanation, Conceptual clarification

Main Points Raised

  • One participant questions whether the flow through the two splits will have half the speed of the supply if the total flow is x.
  • Another participant suggests that if the resistance is the same in each branch, the flow through each branch would be (x/2) volume per unit time, implying a relationship to velocity.
  • A later reply indicates that if the cross-sectional areas of the branches are the same, the velocity will also be half.

Areas of Agreement / Disagreement

Participants present multiple viewpoints regarding the relationship between flow rate and velocity, particularly in relation to resistance and area. The discussion does not reach a consensus.

Contextual Notes

Assumptions about resistance being equal in both branches and the areas being the same are not universally accepted or confirmed, leaving some uncertainty in the claims made.

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I have a supply pipe that splits into two using a T-branch. If the flow through the supply is x, will the flow through the two splits then have half the speed of the supply?
 
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The flow into the T-branch is x volume per unit time. If the resistance is the same in each branch, then the flow through each branch is (x/2) volume per unit time. That's the same as x volume / 2 units of time.

- Warren
 
Great, thanks chroot!
 
...and if the areas are the same, the velocity will be half.
 

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