Problem 5.53[Difficulty: 2]Given:Aircraft flying north with speed of 300 mph with respect to ground, 3000 ft/minvertical. Rate of temperature change is -3 deg F/1000 ft altitude. Ground temperaturevaried 1 deg F/mile.Find:Solution:We will apply the concept of substantial derivativetTzTwyTvxTuDtDTGoverningEquation:(Substantial Derivative)Assumptions:(1) Two-dimensional motion (velocity not a function of z)(2) Steady flow (velocity is not a function of t)
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