Solar Centipede Maths - Part IV - CFD Calcs + Yearly Average Alice Springs
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Energy ExpenditureModelled Aerodrag
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Velocity m/s2.90
Lead Carriage Only
Lead + 1 cargoLead + 2 cargoLead + 3 cargo
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Velocity km/h10.4430km/h13.8515.0516.2417.66
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Distance Covered in 24 hours km250.5660km/h45.7450.8485.60
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Air Density1.22100km/h140.00185.35248.91
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Engine Carriages1.00
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Rolling Friction (W)70.00
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Coeffient of Drag0.45
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Carriage Frontal Area0.70
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Nm of Drag1.62
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W to overcome drag40.40
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Total Energy to maintain speed (W)
110.40
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(W*h) Consumption per day2,649.59
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Self Driving energy useage per day
1,200.00
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Cargo Carriages24.00Energy Acquisition
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Rolling Friction (W)45.00
(W*h) solar per day
2285
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Coeffient of Drag
Loss due to storage
0.92
(half the energy is used directly, so assuming 15% loss on any storage and recovery)
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Carriage Frontal AreaAdjusted level2102.2
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Nm of Drag1.25
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(W) to overcome drag31.25
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(W) to maintain speed76.25Total Budget50452.8
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Total (W*h) per day1,830.00272.20
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Watts Consumption Per Hour1,940.406532.8
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(W*h) per day46,569.59
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Total Expenditure50,419.18
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Total Budget50,452.80
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Energy Balance33.62
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