A prototype automobile is designed to travel at 65 km/hr. A model of this design is tested in a wind tunnel with identical standard sea-level air properties at a 1:5 scale. The measured model drag is 551 N, enforcing dynamic similarity. Determine (a) the drag force on the prototype and (b) the power required to overcome this drag. See D the equation V Dm

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A prototype automobile is designed to travel at 65
km/hr. A model of this design is tested in a wind
tunnel with identical standard sea-level air
properties at a 1:5 scale. The measured model
drag is 551 N, enforcing dynamic similarity.
Determine (a) the drag force on the prototype and
(b) the power required to overcome this drag. See
D
Vm
the equation
V
Dm
(a) Dp =
i
N
(b) Pp =
hp
Transcribed Image Text:A prototype automobile is designed to travel at 65 km/hr. A model of this design is tested in a wind tunnel with identical standard sea-level air properties at a 1:5 scale. The measured model drag is 551 N, enforcing dynamic similarity. Determine (a) the drag force on the prototype and (b) the power required to overcome this drag. See D Vm the equation V Dm (a) Dp = i N (b) Pp = hp
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