The critical Reynolds number for external flow (which started as a laminar flow) over thin flat plate is |1700 500,000 2300 Depends on fluid properties.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.35P
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For cross flow over a long cylinder, what is the appropriate length parameter to be
used in Reynolds or Nusselt number?
Length.
Diameter.
Radius.
Transcribed Image Text:For cross flow over a long cylinder, what is the appropriate length parameter to be used in Reynolds or Nusselt number? Length. Diameter. Radius.
The critical Reynolds number for external flow (which started as a laminar flow) over
thin flat plate is
|1700
500,000
2300
Depends on fluid properties.
Transcribed Image Text:The critical Reynolds number for external flow (which started as a laminar flow) over thin flat plate is |1700 500,000 2300 Depends on fluid properties.
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