Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure...
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Transportation
Transcript of Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure...
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Transportation
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Transportation
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Cars
Energy/distance =
�
12η
mcv 2
d+ ρcd Av
2 +Crrmcg⎛
⎝ ⎜
⎞
⎠ ⎟
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Plane
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Lift and drag Δp = FΔt
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Plane
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Plane
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Plane
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Efficiency of a plane weight
bodies
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Range for a plane
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Airships
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Plane
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Set di esercizi no. 11 1. Le banane percorrono 15000 km via nave, alla velocità di 24 nodi, prima di arrivare sulle nostre tavole. Stimare il costo energetico in kWh ed in litri di carburante associato al trasporto di 1 kg di banane. Stimare il risparmio che si può ottenere rallentando la velocità delle navi a 18 nodi.
2. Disegnate un aereo in grado di compiere il giro del mondo senza scalo.