Van Nostrand's engineering magazine . LENOIR tNGINE. Diagram at 50 revolutions, cylinder 8% inchesdiameter, 16)4 inches stroke. LENOIK at 45 revolutions, 1 inch=32 lbs. perature attained al about 1,356° Centi-grade, and he says, The dotted linerepresents the theoretical curve of ex-pansion, taking into account the loss ofheat and consequent fall of pressure, dueto the work done (which is the propertheoretical curve for an indicated dia-gram). The temperature at the end ofthe stroke, indicated by this line, wouldbe 2,156° Fahrenheit (1,180° Centigrade).The final temperatu
Van Nostrand's engineering magazine . LENOIR tNGINE. Diagram at 50 revolutions, cylinder 8% inchesdiameter, 16)4 inches stroke. LENOIK at 45 revolutions, 1 inch=32 lbs. perature attained al about 1,356° Centi-grade, and he says, The dotted linerepresents the theoretical curve of ex-pansion, taking into account the loss ofheat and consequent fall of pressure, dueto the work done (which is the propertheoretical curve for an indicated dia-gram). The temperature at the end ofthe stroke, indicated by this line, wouldbe 2,156° Fahrenheit (1,180° Centigrade).The final temperature shown by the dia-gram, supposing there be no leakage, is1,438° Fahrenheit (781° Centigrade), andthe difference 718° Fahrenheit (399°Centigrade), is the quantity of heat ab-sorbed by the water-jacket by which thecylinder is surrounded. It will be observed that the explo-sion takes place so late in the stroke thatthere is a considerable available pressure at the end of the stroke, which of OOUTSeis not utilized. Now if the Lenoir engine had onlylost this amount of heat through thesides of the cylinder it would have beenve
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectenginee, bookyear1879
