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Heat and Mass Transfer
Nusselt Number in Flow inside tubes Formulas
The Nusselt Number is the ratio of convective to conductive heat transfer at a boundary in a fluid. Convection includes both advection and diffusion. And is denoted by Nu.
Formulas to find Nusselt Number in Flow inside tubes
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x
Nusselt number for hydrodynamic length fully developed and thermal length still developing
Go
f
x
Nusselt number for short lengths
Go
f
x
Nusselt number for simultaneous development of hydrodynamic and thermal layers
Go
f
x
Nusselt number for simultaneous development of hydrodynamic and thermal layers for liquids
Go
f
x
Nusselt number for short tube thermal development
Go
f
x
Nusselt Number by Sieder-Tate for Shorter Tubes
Go
f
x
Nusselt number at entrance region
Go
f
x
Nusselt number for Smooth tubes
Go
f
x
Nusselt number for liquid metals at constant wall temperature
Go
f
x
Nusselt number for constant heat flux
Go
f
x
Nusselt number for smooth tubes and fully developed flow
Go
f
x
Nusselt number for thermal entry region
Go
f
x
Nusselt Number given viscosity of fluid
Go
Flow inside tubes formulas that make use of Nusselt Number
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x
Nusselt number for short pipes
Go
List of variables in Flow inside tubes formulas
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x
Diameter
Go
f
x
Length
Go
f
x
Reynolds Number Dia
Go
f
x
Prandtl Number
Go
f
x
Dynamic Viscosity at Bulk Temperature
Go
f
x
Dynamic Viscosity at Wall Temperature
Go
f
x
Reynolds Number
Go
f
x
Diameter of Tube
Go
f
x
Length of Cylinder
Go
f
x
Fluid Viscosity (at fluid bulk temperature)
Go
f
x
Fluid Viscosity (At pipe wall temperature)
Go
f
x
Dynamic Viscosity at Mean Temperature
Go
f
x
Average Viscosity of Fluid
Go
f
x
Wall Viscosity
Go
FAQ
What is the Nusselt Number?
The Nusselt Number is the ratio of convective to conductive heat transfer at a boundary in a fluid. Convection includes both advection and diffusion.
Can the Nusselt Number be negative?
{YesorNo}, the Nusselt Number, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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