Free Stream Temperature in Viscous Flow Fundamentals Formulas

The Free Stream Temperature is the temperature of a fluid far away from any influence of boundaries or objects, representing the initial thermal state of the flow. And is denoted by T_∞. Free Stream Temperature is usually measured using the Kelvin for Temperature. Note that the value of Free Stream Temperature is always positive.

Viscous Flow Fundamentals formulas that make use of Free Stream Temperature

fxNon Dimensional Internal Energy Parameter using Wall-to-Freestream Temperature RatioGo

fxWall Temperature Calculation using Internal Energy ChangeGo

FAQ

What is the Free Stream Temperature?

The Free Stream Temperature is the temperature of a fluid far away from any influence of boundaries or objects, representing the initial thermal state of the flow. Free Stream Temperature is usually measured using the Kelvin for Temperature. Note that the value of Free Stream Temperature is always positive.

Can the Free Stream Temperature be negative?

No, the Free Stream Temperature, measured in Temperature cannot be negative.

What unit is used to measure Free Stream Temperature?

Free Stream Temperature is usually measured using the Kelvin[K] for Temperature. Celsius[K], Fahrenheit[K], Rankine[K] are the few other units in which Free Stream Temperature can be measured.

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