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Problem 5.53
[Difficulty: 2]
Given:
Aircraft flying north with speed of 300 mph with respect to ground, 3000 ft/min
vertical. Rate of temperature change is 3 deg F/1000 ft altitude. Ground temperature
varied 1 deg F/mile.
Find:
Solution:
We will apply the concept of substantial derivative
t
T
z
T
w
y
T
v
x
T
u
Dt
DT
Governing
Equation:
(Substantial Derivative)
Assumptions:
(1) Twodimensional motion (velocity not a function of z)
(2) Steady flow (velocity is not a function of t)
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.
 Fall '07
 Lear
 Fluid Mechanics

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