Film temperature Formula

Fx Copy
LaTeX Copy
Film temperature is the temperature value of the Film. Check FAQs
Tf=Tw+T∞2
Tf - Film temperature?Tw - Plate Surface Temperature?T∞ - Free Stream Fluid Temperature?

Film temperature Example

With values
With units
Only example

Here is how the Film temperature equation looks like with Values.

Here is how the Film temperature equation looks like with Units.

Here is how the Film temperature equation looks like.

50Edit=30Edit+70Edit2
You are here -
HomeIcon Home » Category Physics » Category Mechanical » Category Heat and Mass Transfer » fx Film temperature

Film temperature Solution

Follow our step by step solution on how to calculate Film temperature?

FIRST Step Consider the formula
Tf=Tw+T∞2
Next Step Substitute values of Variables
Tf=30°C+70°C2
Next Step Convert Units
Tf=303.15K+343.15K2
Next Step Prepare to Evaluate
Tf=303.15+343.152
Next Step Evaluate
Tf=323.15K
LAST Step Convert to Output's Unit
Tf=50°C

Film temperature Formula Elements

Variables
Film temperature
Film temperature is the temperature value of the Film.
Symbol: Tf
Measurement: TemperatureUnit: °C
Note: Value can be positive or negative.
Plate Surface Temperature
Plate surface temperature is the temperature at the surface of the plate.
Symbol: Tw
Measurement: TemperatureUnit: °C
Note: Value can be positive or negative.
Free Stream Fluid Temperature
Free stream fluid temperature is the temperature of the fluid in free stream velocity.
Symbol: T∞
Measurement: TemperatureUnit: °C
Note: Value can be positive or negative.

Other formulas in Laminar Flow category

​Go Thermal boundary layer thickness at distance X from leading edge
𝛿Tx=𝛿hxPr-0.333
​Go Hydrodynamic boundary layer thickness at distance X from leading edge
𝛿hx=5xRex-0.5
​Go Displacement thickness
𝛿d=𝛿hx3
​Go Momentum thickness
θ=𝛿hx7

How to Evaluate Film temperature?

Film temperature evaluator uses Film temperature = (Plate Surface Temperature+Free Stream Fluid Temperature)/2 to evaluate the Film temperature, The Film temperature formula is defined as the temperature at the film when the fluid is flowing externally over a flat plate. Film temperature is denoted by Tf symbol.

How to evaluate Film temperature using this online evaluator? To use this online evaluator for Film temperature, enter Plate Surface Temperature (Tw) & Free Stream Fluid Temperature (T∞) and hit the calculate button.

FAQs on Film temperature

What is the formula to find Film temperature?
The formula of Film temperature is expressed as Film temperature = (Plate Surface Temperature+Free Stream Fluid Temperature)/2. Here is an example- -223.15 = (303.15+343.15)/2.
How to calculate Film temperature?
With Plate Surface Temperature (Tw) & Free Stream Fluid Temperature (T∞) we can find Film temperature using the formula - Film temperature = (Plate Surface Temperature+Free Stream Fluid Temperature)/2.
Can the Film temperature be negative?
Yes, the Film temperature, measured in Temperature can be negative.
Which unit is used to measure Film temperature?
Film temperature is usually measured using the Celsius[°C] for Temperature. Kelvin[°C], Fahrenheit[°C], Rankine[°C] are the few other units in which Film temperature can be measured.
Copied!