The temperature of a spark ignition engine operating according to the ideal Otto cycle is T1 = 325 K and pressure P1 = 98 kPa at the beginning of compression. The compression ratio is r = 6, H / Y = 15. The course volume of the cylinder is Vh = 624 cm3, and the number of revolutions is n = 3160 rpm. The lower calorific value of the fuel is 38.2 MJ / kg. Combustion efficiency is y = 0.76 and the number of cylinders is 6. C v = 716.5 J / kg K, R = 287.13 J / kg K. a) Find the thermodynamic coordinates of the cycle. b) Find the thermal efficiency and the indication power of the engine. c) Find the mass of gasoline the engine will use per hour.
The temperature of a spark ignition engine operating according to the ideal Otto cycle is T1 = 325 K and pressure P1 = 98 kPa at the beginning of compression. The compression ratio is r = 6, H / Y = 15. The course volume of the cylinder is Vh = 624 cm3, and the number of revolutions is n = 3160 rpm. The lower calorific value of the fuel is 38.2 MJ / kg. Combustion efficiency is y = 0.76 and the number of cylinders is 6. C v = 716.5 J / kg K, R = 287.13 J / kg K. a) Find the thermodynamic coordinates of the cycle. b) Find the thermal efficiency and the indication power of the engine. c) Find the mass of gasoline the engine will use per hour.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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The temperature of a spark ignition engine operating according to the ideal Otto cycle is T1 = 325 K and pressure P1 = 98 kPa at the beginning of compression. The compression ratio is r = 6, H / Y = 15. The course volume of the cylinder is Vh = 624 cm3, and the number of revolutions is n = 3160 rpm. The lower calorific value of the fuel is 38.2 MJ / kg. Combustion efficiency is y = 0.76 and the number of cylinders is 6. C v = 716.5 J / kg K, R = 287.13 J / kg K.
a) Find the
b) Find the thermal efficiency and the indication power of the engine.
c) Find the mass of gasoline the engine will use per hour.
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