1_ch 01 Mechanical Design budynas_SM_ch01

# 1_ch 01 Mechanical Design budynas_SM_ch01 - ← 22.21...

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Chapter 1 Problems 1-1 through 1-4 are for student research. 1-5 (a) Point vehicles Q = cars hour = v x = 42 . 1 v v 2 0 . 324 Seek stationary point maximum dQ d v = 0 = 42 . 1 2 v 0 . 324 v * = 21 . 05 mph Q * = 42 . 1(21 . 05) 21 . 05 2 0 . 324 = 1368 cars/h Ans . (b) Q = v x + l = µ 0 . 324 v (42 . 1) v 2 + l v 1 Maximize Q with l = 10 / 5280 mi v Q 22.18 1221.431 22.19 1221.433 22.20 1221.435
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Unformatted text preview: ← 22.21 1221.435 22.22 1221.434 % loss of throughput = 1368 − 1221 1221 = 12% Ans. (c) % increase in speed 22 . 2 − 21 . 05 21 . 05 = 5 . 5% Modest change in optimal speed Ans. x l 2 l 2 v x v...
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## This note was uploaded on 12/13/2011 for the course EML 3013 taught by Professor Shingley during the Fall '11 term at UNF.

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