For turbulent flow, Reynolds number must be
Understand the Problem
The question is asking for the criteria or threshold value of the Reynolds number that indicates turbulent flow in fluid dynamics. The Reynolds number is a dimensionless quantity that helps predict flow patterns in different fluid flow situations.
Answer
Reynolds number > 4000
The Reynolds number for turbulent flow must be greater than 4000.
Answer for screen readers
The Reynolds number for turbulent flow must be greater than 4000.
More Information
The Reynolds number is a dimensionless quantity used to predict the flow regime, particularly whether the flow will be laminar or turbulent. A Reynolds number greater than 4000 typically indicates turbulent flow, which is characterized by chaotic fluid motion.
Tips
A common mistake is confusing the range values for transitional and turbulent flows. Ensure you remember turbulent flow generally starts at Reynolds numbers above 4000.
Sources
- For turbulent flow, the value of Reynold's number should be - Testbook - testbook.com
- Reynolds Number Calculation - Pipe Flow Software - pipeflow.com
- Examining Reynolds Number for Turbulent Flow - Cadence - resources.system-analysis.cadence.com
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