 | Carleton John Lynde - Home economics - 1914 - 340 pages
...power = f XLXAX ^ where P is the mean effective pressure in pounds per square inch in the cylinder, L is the length of the stroke in feet, A is the area...the piston in square inches, and N is the number of power strokes per minute. power strokes per minute. What is the horse power of the 30 X 1 X 55 X 240... | |
 | Alexander Graham Clark - Automobiles - 1917 - 418 pages
...significance, namely, P is the mean effective pressure in pounds per square inch, L is the length of stroke in feet, A is the area of the piston in square inches, N is the number of power strokes per minute per cylinder, and n is the number of cylinders. Thus, i;... | |
 | Alexander Graham Clark - Automobiles - 1917 - 420 pages
...significance, namely, P is the mean effective pressure in pounds per square inch, L is the length of stroke in feet, A is the area of the piston in square inches, N is the number of power strokes per minute per cylinder, and n is the number of cylinders. Thus, ij... | |
 | Joseph Lipka - Engineering - 1918 - 288 pages
...PLAN 31. Indicated horsepower of a steam engine, HP = - . — 33,000 Here, P is the mean effective pressure in pounds per sq. in., L is the length of the stroke in ft., A is the area of the piston in sq. in , and N is the speed in revolutions per minute. This formula... | |
 | Electric engineering - 1919 - 458 pages
...the average mean effective pressure in pounds per square inch measured from the indicator diagram; L is the length of the stroke in feet; A is the area in square inches of the piston less one-half the area of the rod if it passes through both cylinder... | |
 | Newton Henry Black, Harvey Nathaniel Davis - Physics - 1922 - 590 pages
...written HEAT ENGINES where P is the " mean effective pressure " in a cylinder, in pounds per square inch, L is the length of the stroke in feet, A is the area of the piston in square inches, and N is the rpm (a) Of what quantity does the formula give the value ? Prove your •answer. (6) Can you explain... | |
 | William Augustus Mitchell - Mechanical engineering - 1928 - 422 pages
...revolutions per minute. The remaining symbols are the same as in the equation for horse power of steam: l is the length of the stroke in feet; A is the area of cross-section of the piston in square inches; and p is the mean effective pressure, being equal to... | |
 | Joseph Lipka - Mathematics - 2003 - 288 pages
...0.36 cu. ft. per sec. 31. Indicated horsepower of a steam engine, HP Here, P is the mean effective pressure in pounds per sq. in., L is the length of the stroke in ft., A is the area of the piston in sq. in , and N is the speed in revolutions per minute. This formula... | |
 | Steam engineering - 1909 - 762 pages
...for the mean effective pressure P we have 33 ,000 HP LAN where HP is the horse power of the engine L is the length of the stroke in feet. A is the area of the piston in square inches. N is the number of revolutions per minute, multiplied by 2, or the number of strokes per minute. Substituting... | |
 | Locomotives - 1903 - 732 pages
...33000 Where P is the mean effective pressure in pounds per square inch on the piston during one stroke; L is the length of the stroke in feet; A is the area of the piston in inches, and N is the number of strokes per minute. This formula gives the horse power for one cylinder,... | |
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L is the length of the stroke in feet, A is the area of the piston in square inches, and N is the number of power strokes per minute. 
