Particle V
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter2: Atoms, Chemical Bonding, Material Structure, And Physical Properties
Section: Chapter Questions
Problem 8CQ
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Question
When small particles of diameter d are transported by a moving fluid having a velocity V, they settle to the ground at some distance l after starting from a height h as shown below. The variation in l with various factors is to be studied with a model having a length scale of 1/10. Assume that: l = (h, d, V, γ, μ) where γ is the particle specific weight and μ is the fluid viscosity. The same fluid is to be used in both the model and the prototype, but γ (model) = 9 x γ (prototype). (a) If V = 50 mph, at what velocity should the model tests be run? (b) During a certain model test it was found that l (model) = 0.8 ft. What would be the predicted l for this
test? [Answer in units of mph and ft]
Transcribed Image Text:Particle
V
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