An ideal 4-stroke Otto cycle at the beginning of the compression process has air at 1 atm, 20°C and contains a volume inside of 1.6 It. At the end of the compression process the volume inside the engine is reduced to 0.2 It. At the end of the constant volume heat addition process the temperature reaches 1200°C. The motor operates at 3500 r.p.m. Find: a) The specific net work of the cycle, b) The efficiency of the cycle, c) The power net cycle work. answers: a) Wnet =- 323.65kJ / kg b) NOtto =56.3 % c) Wnet =18.20 kW
An ideal 4-stroke Otto cycle at the beginning of the compression process has air at 1 atm, 20°C and contains a volume inside of 1.6 It. At the end of the compression process the volume inside the engine is reduced to 0.2 It. At the end of the constant volume heat addition process the temperature reaches 1200°C. The motor operates at 3500 r.p.m. Find: a) The specific net work of the cycle, b) The efficiency of the cycle, c) The power net cycle work. answers: a) Wnet =- 323.65kJ / kg b) NOtto =56.3 % c) Wnet =18.20 kW
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:An ideal 4-stroke Otto cycle at the
beginning of the compression process has
air at 1 atm, 20°C and contains a volume
inside of 1.6 It. At the end of the
compression process the volume inside the
engine is reduced to 0.2 It. At the end of the
constant volume heat addition process the
temperature reaches 1200°C. The motor
operates at 3500 r.p.m. Find: a) The specific
net work of the cycle, b) The efficiency of
the cycle, c) The power net cycle work.
answers:
a) Wnet =- 323.65kJ / kg
b) ŋOtto =56.3 %
c) Wnet =18.20 kW
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