 | American Society of Naval Engineers - Marine engineering - 1916 - 1368 pages
...by the Boiler Code Committee must be used, viz : LD ' where P = maximum allowable working pressure, pounds per square inch ; D = outside diameter of furnace in inches ; L, = length of furnace in inches : T = thickness of furnace wall in sixteenths of an inch ; _ 4,250 X 82 , . , P —... | |
 | Harry de Berkeley Parsons - Steam-boilers - 1907 - 408 pages
...AND ADAMSON FURNACES MADE IN SECTIONS NOT LESS THAN 18 INCHES IN LENGTH. p =^[18.75r - (L x 1.03)] ,where P= working pressure in pounds per square inch ; D— outside diameter of furnace in inches ; £=length of furnace in inches ; r= thickness of plate in sixteenths of an inch. VERTICAL TYPE. Cylindrical... | |
 | Harry de Berkeley Parsons - Steam-boilers - 1905 - 408 pages
...shall be allowed a steam pressure according to the following formula: P =.^[(18.75 XT) -(1.03 XL)], where P= working pressure in pounds per square inch; D= outside diameter of furnaces in inches, or outside mean diameter of cone top in inches; L = length of section or flue in... | |
 | United States. Department of Commerce and Labor. Steamboat Inspection Service - Ships - 1906 - 154 pages
...AND ADAMSON FURNACES MADE IN SECTIONS NOT LESS THAN 23 INCHES IN LENGTH. P=^— [18.75 T-(LX1.08)] Where P= working pressure in pounds per square inch....outside diameter of furnace in inches. L= length of furnace in inches. T= thickness of plate in sixteenths of an inch. Given a furnace 44 inches in diameter,... | |
 | Agriculture - 1907 - 636 pages
...the length of the furnace flue section, in inches, and 1.03. Or, P = ~ [18.75 T - (LX 1.03)] in which P = working pressure, in pounds per square inch; D = outside diameter of furnace flue, in inches; T = numerator of fraction expressing plate thickness, in sixteenths of an inch; L... | |
 | Civil engineering - 1907 - 668 pages
...length of the furnace flue section, in inches, and 1.03. Or, P = — ° [18.75 7-(LX 1.03)] in which P = working pressure, in pounds per square inch; D = outside diameter of furnace flue, in inches; T= numerator of fraction expressing plate thickness, in sixteenths of an inch; L =... | |
 | Cecil Hobart Peabody, Edward Furber Miller - Steam-boilers - 1912 - 564 pages
...circle, shall be allowed a steam pressure according to the following formula: [(18.75 XT) -(1.03 XL)] where P = working pressure in pounds per square inch. D = outside diameter of furnaces in inches, or outside mean diameter of cone top in inches. L = length of furnace or flue in... | |
 | Otto Luhr - Air conditioning - 1913 - 982 pages
...(Adamson Furnaces in section of not less than 18 inches in length) : P = ^[(18.75 XT) -(1.03 XL)]. P = working pressure in pounds per square inch. D...outside diameter of furnace in inches. L, = length of furnace in inches. T = thickness of plate in sixteenths of an inch. Cylindrical riveted flues and furnaces... | |
 | Otto Luhr - Air conditioning - 1913 - 952 pages
...may be allowed a steam pressure according to the following formula: P = ^-[(18.75 XT)- (1.03 x L)]. P = working pressure in pounds per square inch. D =.- outside diameter of furnace in inches, or outside mean diameter of cone top in inches. L = length of furnace or flue in inches. T = thickness... | |
 | American Society of Mechanical Engineers - Mechanical engineering - 1915 - 1412 pages
...working pressure, lb. per sq. in. D = outside diameter of furnace, in. L = length of furnace section, in. T = thickness of plate, in sixteenths of an inch. Example. Given a furnace 44 in. in diameter, 48 in. in length, and y2 in. thick. Substituting values in formula: 57 6 P=^- ^ (18.75X8)—... | |
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Where P = working pressure in pounds per square inch. D = outside diameter of furnace in inches. L — length of section in inches. T = thickness of plate in sixteenths of an inch. Example. 
