To select a heat exchanger for a snow melt application.
Water to water plate heat exchanger calculations.
Enter the btu requirement temp in temp out and gpm are shaded for hot and cold enter two of the three shaded portions for hot enter two of the three shaded portions for cold.
They will also calculate the number of tubes needed for a shell and tube heat exchanger and to calculate the pipe length needed for a double pipe heat exchanger.
1 3 online steam table for saturated steam.
When btu requirement is known most applications.
1 plate heat exchanger heat transfer area calculation phe design calculation.
Calculate the required heat transfer area based on values needed.
1 2 example for estimate vapour flow rate requirement to achieve required outlet temperature of the cold fluid.
1 4 example for plate type heat exchanger heat transfer area calculation.
Select the appropriate heat exchanger from the table based on the total btuh required.
A storage calorifier as shown in figure 2 13 1 is constructed differently it usually consists of a hot water storage vessel with a primary heating coil inside.
This video describes how much steam is required to raise temperature of water to a certain degree in a heat exchanger.
The currently calculating value will always be highlighted in green.
Determine the total btuh required using guidance from your radiant tube supplier for the snow melt system.
Fortunately wessels has produced a few easy to use charts for sizing wespac brazed plate heat exchangers based on use case scenarios like radiant floor.
These templates use s i.
A shell and tube heat exchanger used to heat water for space heating using either steam or water is often referred to as a non storage calorifier.
It is then required to compare h calculated.
H overall heat transfer coefficient w m 2 k 1 h c heat transfer coefficient on cold side w m 2 k 1 r fc fouling resistance on cold side k w 1 m 2 h c heat transfer coefficient on cold side w m 2 k 1 r fc fouling resistance on cold side k w 1 m 2 e thickness of the plates m λ thermal conductivity of the plate w m 1 k 1.
Enter the fluid data and enter 5 of the 6 available inputs under flow rates and temperatures.
To approximate the results of a heat transfer system.
The heat exchanger in this application isolates the glycol loop from the boiler water.
This calculator will help determine which exchanger has enough heat transfer capacity for your system.
Download the excel spreadsheet templates in this article to make preliminary heat exchanger design calculations.
1 1 example for finding cold fluid outlet temperature.