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Thermal Formulas

Formulas, Hydraulic Info

Thermal Formulas

Formula For: Word Formula Letter Formula
Reservoir Cooling Capacity
Based on Adequate Air Circulation
Heat (BTU/HR) =
2 x Temperature Difference Between Reservoir Walls And Air (ºF) x Area of Reservoir (Sq.Ft.)
BTU/Hr = 2.0 xThermal Formulas - triT x A
Heat in Hydraulic Oil (approx.)
Due to System Inefficiency(SG=.89-.92)
Heat (BTU/HR) =
Flow Rate (GPM) x 210 x Temperature Difference (ºF)
BTU/HR =
Q x 210 x Thermal Formulas - triT
Heat in Fresh Water (approx.) Heat(BTU/HR) =
Flow Rate (GPM) x 500 x Temperature Difference (ºF)
BTU/HR =
Q x 500 x Thermal Formulas - triT
Note: One British Thermal Unit (BTU) is the amount of heat required to raise the temperature of one pound of water one degree.   Once Horsepower = 2545 BTU/HR.