A 40-lb aluminum bar, initially at Ta = 150oF, is placed in a tank together with 190 lb of liquid water, initially at Tw = 70oF, and allowed to achieve thermal equilibrium. The aluminum bar and water can be modeled as incompressible with specific heats ca = 0.216 Btu/lb·oR and cw = 0.998 Btu/lb·oR, respectively. Consider the aluminum bar and water as the system and ignore heat transfer between the system and its surroundings. Determine the final temperature Tf, in oF, and the amount of entropy produced within the tank, in Btu/oR.
A 40-lb aluminum bar, initially at Ta = 150oF, is placed in a tank together with 190 lb of liquid water, initially at Tw = 70oF, and allowed to achieve thermal equilibrium. The aluminum bar and water can be modeled as incompressible with specific heats ca = 0.216 Btu/lb·oR and cw = 0.998 Btu/lb·oR, respectively. Consider the aluminum bar and water as the system and ignore heat transfer between the system and its surroundings. Determine the final temperature Tf, in oF, and the amount of entropy produced within the tank, in Btu/oR.
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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A 40-lb aluminum bar, initially at Ta = 150oF, is placed in a tank together with 190 lb of liquid water, initially at Tw = 70oF, and allowed to achieve thermal equilibrium. The aluminum bar and water can be modeled as incompressible with specific heats ca = 0.216 Btu/lb·oR and cw = 0.998 Btu/lb·oR, respectively. Consider the aluminum bar and water as the system and ignore heat transfer between the system and its surroundings.
Determine the final temperature Tf, in oF, and the amount of entropy produced within the tank, in Btu/oR.
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