Can Sonic Velocity Be Achieved in a Short, Constant Cross-Section Pipe?

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Sonic velocity can be achieved in a short pipe with a constant cross-section under isentropic flow conditions, provided the pressure gradient is sufficiently large. The discussion emphasizes the importance of the pressure differential, suggesting that a significant delta P is necessary to reach sonic conditions. For a quick estimation, Bernoulli's equation can be applied, using the known flow diameter to calculate the required pressure difference. The conversation highlights the relationship between pressure gradients and flow velocity in fluid dynamics. Achieving sonic velocity in such a setup is theoretically feasible with the right conditions.
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Can sonic velocity be achieved in a short pipe with constant cross-section, assuming isentropic flow with no viscous effects being taken into account?

Thank you.
 
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I can't think of any reason why not as long as the delta P is large enough.
 
Large enough? How large would the pressure gradient need to be? Thanks
 
For a quick calculation, use bernoulli knowing the flow diameter of the tube. Solve for P1-P2
 

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