Diameter in Flow inside tubes Formulas

Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. And is denoted by D. Diameter is usually measured using the Meter for Length. Note that the value of Diameter is always positive.

Formulas to find Diameter in Flow inside tubes

fxDiameter of hydrodynamic entry tubeGo

fxDiameter of thermal entry tubeGo

Flow inside tubes formulas that make use of Diameter

fxHydrodynamic entry lengthGo

fxThermal entry lengthGo

fxNusselt number for hydrodynamic length fully developed and thermal length still developingGo

fxNusselt number for short lengthsGo

fxNusselt number for simultaneous development of hydrodynamic and thermal layersGo

fxNusselt number for simultaneous development of hydrodynamic and thermal layers for liquidsGo

fxNusselt number for short tube thermal developmentGo

fxFriction factor for rough tubesGo

fxNusselt number at entrance regionGo

fxNusselt number for short pipesGo

List of variables in Flow inside tubes formulas

fx Length Go

fx Reynolds Number Dia Go

fx Prandtl Number Go

FAQ

What is the Diameter?

Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. Diameter is usually measured using the Meter for Length. Note that the value of Diameter is always positive.

Can the Diameter be negative?

No, the Diameter, measured in Length cannot be negative.

What unit is used to measure Diameter?

Diameter is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Diameter can be measured.

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