Контрольная работа: Тепловой расчет двигателя автомобиля

N_e2 ^/ = [(105.8594 + 1225) • 7.7776] / (10³ • 0.82) = 12.6231

N_e3 ^/ = [(200.1403 + 1225) • 10.6942] / (10³ • 0.82) = 18.5863

N_e4 ^/ = [(397.1857 + 1225) • 15.0653] / (10³ • 0.82) = 29.8033

N_e5 ^/ = [(661.621 + 1225) • 19.44] / (10³ • 0.82) = 44.73

6. И₁ = 7.5071 / 13.270.31 = 0.5657

И₂ = 12.6231 / 22.17119 = 0.5693

И₃ = 18.5863 / 30.66978 = 0.606

И₄ = 29.8033 / 40.68328 = 0.7326

И₅ = 44.73 / 44.7 = 1.0007

E₁ = 645 / 2580 = 0.25

E₂ = 1032 / 2580 = 0.4

E₃ = 1419 / 2580 = 0.55

E₄ = 1999 / 2580 = 0.78

E₅ = 2580 / 2580 = 1

7. К_И1 = 3.27 – 8.22 • 0.5657 + 9.13 • (0.5657)² – 3.18 • (0.5657)³ = 0.9661

К_{И 2} = 3.27 – 8.22 • 0.5693 + 9.13 • (0.5693)² – 3.18 • (0.5693)³ = 0.9628

К_{И 3} = 3.27 – 8.22 • 0.606 + 9.13 • (0.606)² – 3.18 • (0.606)³ = 0.934

К_{И 4} = 3.27 – 8.22 • 0.7326 + 9.13 • (0.7326)² – 3.18 • (0.7326)³ = 0.898

К_{И 5} = 3.27 – 8.22 • 1.0007 + 9.13 • (1.0007)² – 3.18 • (1.0007)³ = 1.0003

К_Е1 = 1.25 – 0.99 • 0.25 + 0.98 • (0.25)² – 0.24 • (0.25)³ = 1.06

К_{Е 2} = 1.25 – 0.99 • 0.4 + 0.98 • (0.4)² – 0.24 • (0.4)³ = 0.996

К_{Е 3} = 1.25 – 0.99 • 0.55 + 0.98 • (0.55)² – 0.24 • (0.55)³ = 0.962

К_{Е 4} = 1.25 – 0.99 • 0.78 + 0.98 • (0.78)² – 0.24 • (0.78)³ = 0.959

К_{Е 5} = 1.25 – 0.99 • 1 + 0.98 • (1)² – 0.24 • (1)³ = 1

8. g_e1 = 353.33316 • 0.9661 • 1.05 = 361.837

g_e2 = 327.89315 • 0.9628 • 0.996 = 314.433

g_e3 = 315.17315 • 0.934 • 0.962 = 283.186

g_e4 = 319.94317 • 0.898 • 0.959 = 275.53

g_e5 = 353.33316 • 1.0003 • 1 = 353.455