 | 1902 - 750 σελίδες
...Plan -*-• n- L • — oVTn/wi' OOjOUU where p is the mean effective pressure, I is the length of stroke in feet, a is the area of the piston in square inches, and it is the number of strokes per minute. By substitution, we find the horsepower of both engines... | |
 | 1910 - 104 σελίδες
...follows : 1. 2XPXLXAXN =HP 33,000 In which P represents the average force acting on the piston in pounds; L, is the length of the stroke in feet; A, is the area of the piston, and N is the number of revolutions of the engine per minute. The factor 2 is used to change revolutions... | |
 | James Gunn - 1910 - 280 σελίδες
...is given by the formula TTTP _ 33,000 where P is the mean effective pressure in lbs. per square inch L is the length of the stroke in feet A is the area of the cylinder in square inches (if the engine has more than one cylinder, then the sum of the areas is taken)... | |
 | James Ambrose Moyer - 1911 - 450 σελίδες
...where p is the mean effective pressure in pounds per square inch measured from the indicator diagram, 1 is the length of the stroke in feet, a is the area of the piston in square inches, and n, is the number of explosions per minute, then BHP Mechanical Efficiency =^-W-5- • • • (*H>)... | |
 | Robert A. McMillan - 1912 - 378 σελίδες
...— i where IHP is the indicated horse-power, P is the mean pressure of the steam in the cylinder, L is the length of the stroke in feet, A is the area of the piston in square inches, and X is the number of revolutions per minute, 33000 being the same in all calculations. If the denominator... | |
 | Texaco, inc - 1912 - 160 σελίδες
...mean effective pressure (as shown by a steam engine indicator) per square inch, acting on the piston. L is the length of the stroke in feet. A is the area of the piston in sq. inches (area of the piston rod to be deducted for the crank end). 109 N is the number of working... | |
 | Robert A. McMillan - 1913 - 360 σελίδες
...then calculated from the formula — T IT P - P x L x A x E 33,000 where P is the mean pressure. L is the stroke in feet. A is the area of the piston in square inches. E is the number of explosions per minute. E is found by taking half the revolutions per minute, or... | |
 | Cecil Hobart Peabody - 1913 - 228 σελίδες
...mean-effective-pressure by the standard equation, LH .P. = where P is the mean-effective-pressure, L is the stroke in feet, A is the area of the piston in square inches and N is the number of revolutions per minute. Solving this equation for the meaneffective-pressure... | |
 | Carleton John Lynde - 1914 - 340 σελίδες
...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 of the piston in square inches, and N is the number of power strokes per minute. power strokes per minute. What is the horse power... | |
 | Alexander Graham Clark - 1917 - 418 σελίδες
...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; P is the mean effective... | |
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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. 
