A section of highway has a speed-flow relationship of the form q = au 2 + bu. It is known that at capacity (which is 3100 veh/h) the space-mean speed of traffic is 28 mi/h. Determine the speed when the flow is 1500 veh/h and the free-flow speed.

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01-01-2021
Engineering

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A section of highway has a speed-flow relationship of the form q = au 2 + bu. It is known that at capacity (which is 3100 veh/h) the space-mean speed of traffic is 28 mi/h. Determine the speed when the flow is 1500 veh/h and the free-flow speed.

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deniz013 deniz013 · Answer 1 · 2021-01-01T07:45:01-05:00

deniz013 deniz013

01-01-2021

Otoyolun bir bölümü, q = au 2 + bu biçiminde bir hız-akış ilişkisine sahiptir. Kapasitede (3100 araç / saat) uzay-ortalama trafik hızının 28 mil / saat olduğu bilinmektedir. Akış 1500 araç / saat olduğunda hızı ve serbest akış hızını belirleyin.

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