Praca jaką wykonuje silnik
W=Pt [J]
t=1 h=3600 s
W= 25*3600=90000=9*10^4 kJ
Energia paliwa
Wd=48 MJ/kg =48*10^3 kJ energia 1 kg paliwa
E=Wd*m
m=ρV
V=10 l= 10*0,001=0,01 m^3
ρ=750 kg/m^3
E= 48*10^3*750*0,01=360000=36*10^4 kJ
sprawność
η=W/E= 9/36=0,25
η=25%
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Praca jaką wykonuje silnik
W=Pt [J]
t=1 h=3600 s
W= 25*3600=90000=9*10^4 kJ
Energia paliwa
Wd=48 MJ/kg =48*10^3 kJ energia 1 kg paliwa
E=Wd*m
m=ρV
V=10 l= 10*0,001=0,01 m^3
ρ=750 kg/m^3
E= 48*10^3*750*0,01=360000=36*10^4 kJ
sprawność
η=W/E= 9/36=0,25
η=25%