Don't copy and complete solution please Q4-Q6: A device is used to cool hot copper spheres of diameter 5 mm from an average temperature of 200Cto 50C by letting them fall in air at 25°C and latm. Use drag coefficient Cp = 0.4 and Whitaker correlation inyour calculations. Assume the spheres fall at their terminal velocities during the process.Q4(1 Determine the terminal velocity of a sphere. Is the use of C, = 0.4 appropriate? If not, how toimprove the accuracy? Iteration is not required.

we know thatRe=ρuDμ=uDνwhere,Re=Reynolds number ρ= density D= diameter…

n air at 25°C and latm. Use drag coefficient Cp = 0.4 and Whitak e spheres fall at their terminal velocities during the process. rminal velocity of a sphere. Is the use of Cp = 0.4 appropriate? I zion is not required.

n air at 25°C and latm. Use drag coefficient Cp = 0.4 and Whitak e spheres fall at their terminal velocities during the process. rminal velocity of a sphere. Is the use of Cp = 0.4 appropriate? I zion is not required.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

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Don't copy and complete solution please

Q4-Q6: A device is used to cool hot copper spheres of diameter 5 mm from an average temperature of 200C
to 50C by letting them fall in air at 25°C and latm. Use drag coefficient Cp = 0.4 and Whitaker correlation in
your calculations. Assume the spheres fall at their terminal velocities during the process.
Q4(1 Determine the terminal velocity of a sphere. Is the use of C, = 0.4 appropriate? If not, how to
improve the accuracy? Iteration is not required.

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