BTU Calculator & BTU Formulas For Water Circulating Heat Transfer
A BTU is an abbreviation for British Thermal Unit, which is the amount of energy
required to raise 1 pound of water 1 degree Fahrenheit at sea level. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match.
You can calculate BTU heating or cooling requirements for your process by understanding your application. Some common BTU calculating formulas are shown below.
Weighed Water TestMeasure the flow of water through your process by timing how long it takes to fill a known volume container. For example, allow your
process water to fill a 5-gallon container. Accurately measure the water temperature entering and exiting your process. Use this formula to calculate BTU cooling required:
Formula
BTU = Flow Rate In GPM (of water) x (Temperature Leaving Process - Temperature Entering Process) x 500.4*Formula changes with fluids others than straight water.
BTU Calculator for Weighed Water Test
GPM
Water Flow Rate In Gallons Per Minute
°F
Inlet Water Temperature To Process
°F
Outlet Water Temperature From Process
Submit
Clear
General Rules of Thumb
Hydraulic Cooling For Injection Molding Press
BTU/hr = Motor Horsepower x 1,500
Hydraulic Cooling For Stamping Press
BTU/hr = Motor Horsepower x 1,200
Grinder Cooling
BTU/hr = Motor Horsepower x 2,400
Air Compressor Cooling with After Cooler
BTU/hr = Compressor Horsepower x 3,000
Download the free Formula Cards (at right) for more information.
Advantage staffs a full complement of application specialists that can review your application and help you calculate your BTU requirement.
Call us today at 317-887-0729 and ask for application engineering. Let us help you calculate BTU's for your process.
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