Horsepower Formula:
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The horsepower formula calculates the power required to move a fluid at a specified flow rate against a given head, taking into account the fluid's specific gravity and the system's efficiency.
The calculator uses the horsepower formula:
Where:
Explanation: The formula calculates the theoretical horsepower required to move fluid, accounting for the system's efficiency losses.
Details: Accurate horsepower calculation is crucial for proper pump selection, energy consumption estimation, and system design in various industrial and commercial applications.
Tips: Enter head in feet, specific gravity (1.0 for water), and efficiency as a decimal (e.g., 0.8 for 80% efficiency). All values must be positive numbers.
Q1: Why is the flow rate fixed at 500 GPM?
A: This calculator is specifically designed for 500 GPM flow rate applications. For other flow rates, different calculations would be required.
Q2: What is specific gravity and how do I determine it?
A: Specific gravity is the ratio of a fluid's density to water's density. Water has SG=1.0. For other fluids, consult material safety data sheets or engineering references.
Q3: What is a typical pump efficiency value?
A: Pump efficiency typically ranges from 0.5 to 0.9 (50-90%), depending on pump type, size, and operating conditions.
Q4: Can this formula be used for any fluid?
A: Yes, the formula works for any fluid as long as the correct specific gravity is used in the calculation.
Q5: What does the 3960 constant represent?
A: The 3960 constant is a conversion factor that combines various unit conversions to simplify the horsepower calculation formula.