Ishan Gupta
Birla Institute of Technology & Science (BITS), Pilani
Ishan Gupta has created this Calculator and 50+ more calculators!

4 Other formulas that you can solve using the same Inputs

Heat Exchanger Effectiveness
Effectiveness of Heat Exchanger= if(Mass of hot fluid*Specific Heat Capacity of Hot Fluid>Mass of Cold Fluid*Specific Heat Capacity of Cold Fluid) { Effectiveness of Heat Exchanger=Mass of hot fluid*Specific Heat Capacity of Hot Fluid*(Inlet Temperature of Hot Fluid-Outlet Temperature of Hot Fluid)/(Mass of Cold Fluid*Specific Heat Capacity of Cold Fluid*(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)) } else { Effectiveness of Heat Exchanger=Mass of Cold Fluid*Specific Heat Capacity of Cold Fluid*(Inlet Temperature of Cold Fluid-Outlet Temperature of Cold Fluid)/(Mass of hot fluid*Specific Heat Capacity of Hot Fluid*(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)) } GO
Log Mean Temperature Difference for CoCurrent Flow
Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)) GO
Heat Transfer in a Heat Exchanger using cold fluid properties
Heat=Mass of Cold Fluid*Specific Heat Capacity of Cold Fluid*(Inlet Temperature of Cold Fluid-Outlet Temperature of Cold Fluid) GO
Heat Transfer in a Heat Exchanger using hot fluid properties
Heat=Mass of hot fluid*Specific Heat Capacity of Hot Fluid*(Inlet Temperature of Hot Fluid-Outlet Temperature of Hot Fluid) GO

1 Other formulas that calculate the same Output

Log Mean Temperature Difference for CoCurrent Flow
Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)) GO

Log Mean Temperature Difference for Counter Current Flow Formula

Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))
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Log Mean Temperature Difference for Counter Current Flow

The Log Mean Temperature Difference for Counter Current Flow in is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold streams at each end of the exchanger.

How to Calculate Log Mean Temperature Difference for Counter Current Flow?

Log Mean Temperature Difference for Counter Current Flow calculator uses Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)) to calculate the Log Mean Temperature Difference, The Log Mean Temperature Difference for Counter Current Flow in is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold streams at each end of the exchanger. Log Mean Temperature Difference and is denoted by LMTD symbol.

How to calculate Log Mean Temperature Difference for Counter Current Flow using this online calculator? To use this online calculator for Log Mean Temperature Difference for Counter Current Flow, enter Inlet Temperature of Cold Fluid (Tci), Inlet Temperature of Hot Fluid (Thi), Outlet Temperature of Hot Fluid (Tho) and Outlet Temperature of Cold Fluid (Tco) and hit the calculate button. Here is how the Log Mean Temperature Difference for Counter Current Flow calculation can be explained with given input values -> 19.57615 = ((20-5)-(35-10))/ln((20-5)/(35-10)).

FAQ

What is Log Mean Temperature Difference for Counter Current Flow?
The Log Mean Temperature Difference for Counter Current Flow in is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold streams at each end of the exchanger and is represented as LMTD=((Tho-Tci)-(Thi-Tco))/ln((Tho-Tci)/(Thi-Tco)) or Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)). Inlet Temperature of Cold Fluid is the temperature at which the cold fluid enters the heat exchanger, Inlet Temperature of Hot Fluid is the temperature at which the hot fluid enters the heat exchanger, Outlet Temperature of Hot Fluid is the temperature at which the hot fluid exits the heat exchanger and Outlet Temperature of Cold Fluid is the temperature at which the cold fluid exits the heat exchanger.
How to calculate Log Mean Temperature Difference for Counter Current Flow?
The Log Mean Temperature Difference for Counter Current Flow in is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold streams at each end of the exchanger is calculated using Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)). To calculate Log Mean Temperature Difference for Counter Current Flow, you need Inlet Temperature of Cold Fluid (Tci), Inlet Temperature of Hot Fluid (Thi), Outlet Temperature of Hot Fluid (Tho) and Outlet Temperature of Cold Fluid (Tco). With our tool, you need to enter the respective value for Inlet Temperature of Cold Fluid, Inlet Temperature of Hot Fluid, Outlet Temperature of Hot Fluid and Outlet Temperature of Cold Fluid and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Log Mean Temperature Difference?
In this formula, Log Mean Temperature Difference uses Inlet Temperature of Cold Fluid, Inlet Temperature of Hot Fluid, Outlet Temperature of Hot Fluid and Outlet Temperature of Cold Fluid. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Log Mean Temperature Difference=((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))
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