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Boiler Horsepower (BHP) is a unit of measurement for boiler output capacity. It represents the ability of a boiler to evaporate 34.5 pounds of water per hour at 212°F. This unit is commonly used in steam boiler systems and heating applications.
The calculator uses the conversion formula:
Where:
Explanation: The conversion factor 9.81 represents the relationship between kilowatts and boiler horsepower, where 1 BHP equals approximately 9.81 kW.
Details: Accurate BHP calculation is essential for proper boiler sizing, energy efficiency assessment, and system design in heating and industrial applications. It helps ensure that boilers are properly matched to heating loads.
Tips: Enter the kilowatt value in the input field. The value must be greater than zero. The calculator will automatically compute the equivalent boiler horsepower.
Q1: What's the difference between BHP and regular horsepower?
A: Boiler horsepower (BHP) measures boiler capacity, while mechanical horsepower measures engine power output. They use different conversion factors and serve different purposes.
Q2: Why is the conversion factor 9.81?
A: The factor 9.81 comes from the definition of boiler horsepower as the energy required to evaporate 34.5 pounds of water per hour, which equals approximately 9.81 kilowatts.
Q3: Is BHP still commonly used today?
A: While metric units are more common internationally, BHP is still widely used in North America and other regions for boiler specifications and industrial applications.
Q4: Can I use this for all types of boilers?
A: Yes, the conversion applies to all steam and hot water boilers when converting between kilowatts and boiler horsepower units.
Q5: How accurate is this conversion?
A: The conversion using the 9.81 factor is standard and provides accurate results for engineering and design purposes.