How you find minimum drag and velocity from the equations

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.43P
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How you find minimum drag and velocity from the equations
WS
dD
dx
D = ax +
= 0
b(mg)
X
(x := + pV²S)
dD b(mg)²
dx
(NB D min
= a
0 ⇒x. = mg
md
a
is independent of p, provided a, b both constant. Also, at
Transcribed Image Text:WS dD dx D = ax + = 0 b(mg) X (x := + pV²S) dD b(mg)² dx (NB D min = a 0 ⇒x. = mg md a is independent of p, provided a, b both constant. Also, at
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