boiler horsepower


boiler horsepower
   a traditional unit measuring the power delivered by a boiler. The boiler horsepower is defined to be the power required to convert 30 pounds (13.61 kilograms) per hour of water at 100 °F (37.78 °C) to saturated steam at a pressure of 70 pounds per square inch gauge (482.6 kilopascals gauge). This power, about 33 471 Btu per hour or 9.8095 kilowatts, is more than 13 times the usual mechanical definition of the horsepower, but it is judged sufficient to run an engine producing one horsepower of mechanical power.

Dictionary of units of measurement. 2015.

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  • boiler horsepower — noun : a unit for measuring the power of a steam boiler, being the equivalent of 34.5 pounds of steam evaporated from and at 212° F per hour * * * a unit of measurement of the ability of a boiler to evaporate water, usually given as the ability… …   Useful english dictionary

  • boiler horsepower — a unit of measurement of the ability of a boiler to evaporate water, usually given as the ability to evaporate 341/2 lb. (15.6 kg) of water an hour, into dry saturated steam from and at 212°F (100°C). * * * …   Universalium

  • Boiler Horsepower —   A unit of rate of water evaporation equal to the evaporation per hour of 34.5 pounds of water at a temperature of 212 degrees Fahrenheit into steam at 212 degrees F …   Energy terms

  • boiler horsepower — term now seldom used, meaning equivalent to a heating capacity of 33,475 BTU/hr (9804 watts) …   Dictionary of automotive terms

  • Horsepower — hp redirects here. For other uses, see HP (disambiguation). Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.[1] Horsepower was originally defined to compare the… …   Wikipedia

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  • Boiler feedwater pump — A boiler feedwater pump is a specific type of pump used to pump feedwater into a steam boiler. The water may be freshly supplied or returning condensate produced as a result of the condensation of the steam produced by the boiler. These pumps are …   Wikipedia

  • Horsepower — (Hp, HP)   A unit of rate of operation. Electrical Hp: a measure of time rate of mechanical energy output; usually applied to electric motors as the maximum output; 1 electrical Hp is equal to 0.746 kilowatts or 2,545 Btu per hour. Shaft Hp: a… …   Energy terms

  • Boiler Rating —   The heating capacity of a steam boiler; expressed in Btu per hour (Btu/h), or horsepower, or pounds of steam per hour …   Energy terms

  • Franco-Crosti boiler — The Franco Crosti boiler is a type of boiler used for steam locomotives. It was designed in the 1930s by Attilio Franco and Dr Piero Crosti, two engineers working for the Ferrovie dello Stato (FS), the Italian state railway. Purpose The Franco… …   Wikipedia


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