 | American Society of Mechanical Engineers - 1885 - 984 páginas
...neglect it and, therefore, after the definition of a boiler horse-power as " an evaporation of 30 Ibs. of water per hour from a feed- water temperature of 100° F. into steam at 70 Ibs. pressure," there were inserted the words " which shall be considered to be equal to 34£ units... | |
 | 1895 - 220 páginas
...into accepted use. As recommended, the Horse-power is the evaporation of 30 pounds Horse of vvater per hour from a feed water temperature of 100° F. into steam at 70 pounds gauge pressure, which shall be considered to be equal to 34£ units of evaporation -- that is, to 34£ pounds of water... | |
 | International Correspondence Schools - 1897 - 346 páginas
....944 .fIM Horsepower of Boilers. In actual practice the result of a great many tests has shown that an evaporation of 30 pounds of water per hour from a...of 100° F. into steam at 70 pounds gauge pressure is the equivalent of one horsepower, or that this steam in a properly designed engine will do the equivalent... | |
 | Institution of Civil Engineers (Great Britain) - 1900 - 564 páginas
...units of evaporation per hour," and as practically equivalent to " an evaporation of 30 Ibs. of water from a feed- water temperature of 100° F. into steam at 70 Ibs. gauge pressure." Quality of Steam. — The moisture in the steam should be determined by either... | |
 | Heine Safety Boiler Company - 1902 - 178 páginas
...power, and this is now generally accepted. They advised that the commercial horse power be taken as an evaporation of 30 pounds of water per hour from a feed water temperature of 100° Fahrenheit into steam at jo pounds gauge pressure, which may be considered to be equal to 344. units... | |
 | Heine Safety Boiler Company - 1904 - 180 páginas
...power, and this is now generally accepted. They advised that the commercial horse power be taken as an evaporation of 30 pounds of water per hour from a. feed water temperature of 100° Fahrenheit 64 into steam at jo pounds gauge pressure, which may be considered to be equal to 344. units... | |
 | Leonard Elliott Brookes - 1905 - 106 páginas
...degrees, has a pressure equal to the atmosphere or 14.7 pounds to the square inch. A standard horsepower: The evaporation of 30 pounds of water per hour from a feed water temperature of 100 degrees Fahrenheit into steam at 70 pounds gauge pressure. To find the capacity of a tank of any size,... | |
 | William Richard King - 1906 - 428 páginas
...evaporation from and at 212°. 49. The unit of commercial boiler horse-power has been stated to be the evaporation of 30 pounds of water per hour from...water temperature of 100° F. into steam at 70 pounds pressure per gauge, or an absolute pressure of 84.7 pounds. The temperature of steam at 84.7 pounds... | |
 | Texaco, inc - 1912 - 160 páginas
...the same temperature is a standard commercial boiler horse power and is considered as equivalent to the evaporation of 30 pounds of water per hour from...water temperature of 100° F. into steam at 70 pounds pressure. The former is called "The equivalent evaporation from and at 212° F.," and is obtained by... | |
 | Glasgow Iron Company - 1912 - 134 páginas
...the length and by .0034. Height of a column of water in feet X .434=pressure per square inch. Boiler horse power: The evaporation of 30 pounds of water per hour, from a temperature of 100° Fahr, into steam at 70 pounds gauge pressure. One pound of water evaporated from... | |
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The evaporation of 30 pounds of water per hour from a feed water temperature of 100° F. 
