Water To Air Heat Exchanger Calculations

Calculate the required heat transfer area based on values needed.

Water to air heat exchanger calculations.

Related mobile apps from the engineering toolbox. These templates use s i. Liquid cooling by air to water or liquid transfer applications. Many other applications utilizing liquid to air or air to liquid transfer.

1 kcal m 2 h c 1 16 w m 2 c 2 can be modified to. Air is assumed to be dry at atmospheric pressure and at zero elevation. Sizing of the unit required for the application if there is no space restriction can be determined by the use of either the theoretical heat. Acfm is assumed to be at the average air temperature.

Garage and out building heat. A single pass shell and tube heat exchanger heats methanol with water from the initial temperature of 20 to 45 c. Calculation assumes true counter flow. Heat recovery app free apps for offline use on mobile devices.

Go bigger not smaller. Have no problems with a c due to air flow and very nice heat. The velocity of the methanol flow through the tubes is 0 8 m s w. Heat exchanger calculator the heat exchanger calculator is a program specially designed to predict the performance of the heat exchanger model number you choose based on the parameters you input.

Convective heat transfer coefficient for air. The water flow is cooled from 100 to 45 c. The convective heat transfer coefficient for air flow can be approximated to. 1 sweat inlet outlet connections are standard on all models.

Only sensible heat transfer occurs. Liquids are considered incompressible. 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. The model numbers shown in the calculator are only a partial listing of our standard products.

H c heat transfer coefficient kcal m 2 h c v relative speed between object surface and air m s since. H c 10 45 v 10 v 1 2 2 where. Fluid properties are used at the average temperatures. Fluid temperature ranges from 40 f to 200 f.

I agree with leaddog don t go small i have a 75 000 btu furnace with a 20 x20 exchanger which i think it is capable of 100 000 btu s if i m not mistaken. Heat exchanger efficiency calculator. A tube bundle of the heat exchanger contains 111 tubes the diameter of one tube is 25x2 5 mm. Air cooled heat exchanger sizing does preliminary estimation of finned area plot size total fan power and air outlet temperature checalc chemical engineering calculations to assist process plant operation and maintenance engineers.

H 2 enthalpy in outside make up air after the heat exchanger kj kg btu lb h 3 enthalpy in outlet air before the heat exchanger kj kg btu lb enthalpy of moist air.