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The number of transfer units is defined as ratio of overall thermal conductance to smaller heat capacity rate. NTU designates non-dimensional heat transfer size or thermal size of the exchanger. Check FAQs
NTU=-ln(1-ϵ)
NTU - Number of Transfer Units?ϵ - Effectiveness of Heat Exchanger?

NTU relation of heat exchanger given all exchanger C equal to 0 Example

With values
With units
Only example

Here is how the NTU relation of heat exchanger given all exchanger C equal to 0 equation looks like with Values.

Here is how the NTU relation of heat exchanger given all exchanger C equal to 0 equation looks like with Units.

Here is how the NTU relation of heat exchanger given all exchanger C equal to 0 equation looks like.

0.1054Edit=-ln(1-0.1Edit)
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NTU relation of heat exchanger given all exchanger C equal to 0 Solution

Follow our step by step solution on how to calculate NTU relation of heat exchanger given all exchanger C equal to 0?

FIRST Step Consider the formula
NTU=-ln(1-ϵ)
Next Step Substitute values of Variables
NTU=-ln(1-0.1)
Next Step Prepare to Evaluate
NTU=-ln(1-0.1)
Next Step Evaluate
NTU=0.105360515657826
LAST Step Rounding Answer
NTU=0.1054

NTU relation of heat exchanger given all exchanger C equal to 0 Formula Elements

Variables
Functions
Number of Transfer Units
The number of transfer units is defined as ratio of overall thermal conductance to smaller heat capacity rate. NTU designates non-dimensional heat transfer size or thermal size of the exchanger.
Symbol: NTU
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Effectiveness of Heat Exchanger
The effectiveness of heat exchanger is defined as the ratio of the actual heat transfer to the maximum possible heat transfer.
Symbol: ϵ
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
ln
The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.
Syntax: ln(Number)

Other Formulas to find Number of Transfer Units

​Go NTU relation of double pipe parallel flow heat exchanger
NTU=-ln(1-(1+C)ϵ)1+C
​Go NTU relation of double pipe counter flow heat exchanger
NTU=(1C-1)(ln(ϵ-1Cϵ-1))
​Go NTU relation of double pipe counter flow heat exchanger given C equal to 1
NTU=ϵ1-ϵ
​Go NTU relation of double pipe counter flow heat exchanger with Cmax mixed and Cmin unmixed
NTU=-ln(1+(1C)(ln(1-Cϵ)))

How to Evaluate NTU relation of heat exchanger given all exchanger C equal to 0?

NTU relation of heat exchanger given all exchanger C equal to 0 evaluator uses Number of Transfer Units = -ln(1-Effectiveness of Heat Exchanger) to evaluate the Number of Transfer Units, The NTU relation of heat exchanger given all exchanger C equal to 0 formula is defined as the amount of energy units transferred between the fluids in the heat exchanger. Number of Transfer Units is denoted by NTU symbol.

How to evaluate NTU relation of heat exchanger given all exchanger C equal to 0 using this online evaluator? To use this online evaluator for NTU relation of heat exchanger given all exchanger C equal to 0, enter Effectiveness of Heat Exchanger (ϵ) and hit the calculate button.

FAQs on NTU relation of heat exchanger given all exchanger C equal to 0

What is the formula to find NTU relation of heat exchanger given all exchanger C equal to 0?
The formula of NTU relation of heat exchanger given all exchanger C equal to 0 is expressed as Number of Transfer Units = -ln(1-Effectiveness of Heat Exchanger). Here is an example- 0.105361 = -ln(1-0.1).
How to calculate NTU relation of heat exchanger given all exchanger C equal to 0?
With Effectiveness of Heat Exchanger (ϵ) we can find NTU relation of heat exchanger given all exchanger C equal to 0 using the formula - Number of Transfer Units = -ln(1-Effectiveness of Heat Exchanger). This formula also uses Natural Logarithm (ln) function(s).
What are the other ways to Calculate Number of Transfer Units?
Here are the different ways to Calculate Number of Transfer Units-
  • Number of Transfer Units=(-ln(1-(1+Heat capacity ratio)*Effectiveness of Heat Exchanger))/(1+Heat capacity ratio)OpenImg
  • Number of Transfer Units=(1/(Heat capacity ratio-1))*(ln((Effectiveness of Heat Exchanger-1)/(Heat capacity ratio*Effectiveness of Heat Exchanger-1)))OpenImg
  • Number of Transfer Units=Effectiveness of Heat Exchanger/(1-Effectiveness of Heat Exchanger)OpenImg
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