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...

Page 1: Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure c.g. Cessna 310N: 60kWh per 100 passenger-km. A Cessna 310 Turbo carries 6 passengers

Transportation

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Transportation

Page 3: Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure c.g. Cessna 310N: 60kWh per 100 passenger-km. A Cessna 310 Turbo carries 6 passengers

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

Page 9: Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure c.g. Cessna 310N: 60kWh per 100 passenger-km. A Cessna 310 Turbo carries 6 passengers

Efficiency of a plane weight

bodies

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Range for a plane

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Airships

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Plane

Page 13: Transportation - University of Cagliarimichele/energia/energia_orari... · 2014. 6. 9. · Figure c.g. Cessna 310N: 60kWh per 100 passenger-km. A Cessna 310 Turbo carries 6 passengers
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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.