Q4/ A rigid tank contains hot fluid that is cooled while being stirred by a paddle wheel. Initially, the internal energy of the fluid is 800 kJ. During the cooling process, the fluid loses 500 kJ of heat, and the paddle wheel does 100 kJ of work on the fluid. Determine the final internal energy of the fluid. Neglect the energy stored in the paddle wheel. Qout= 500 kJ U₁ = 800 kJ U₂=? Fluid Figure (2) Wsh.in = 100 kJ

Q4/ A rigid tank contains hot fluid that is cooled while being stirred by a paddle wheel. Initially, the internal energy of the fluid is 800 kJ. During the cooling process, the fluid loses 500 kJ of heat, and the paddle wheel does 100 kJ of work on the fluid. Determine the final internal energy of the fluid. Neglect the energy stored in the paddle wheel. Qout= 500 kJ U₁ = 800 kJ U₂=? Fluid Figure (2) Wsh.in = 100 kJ

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

Q4/ A rigid tank contains hot fluid that is cooled while being
stirred by a paddle wheel. Initially, the internal energy of the
fluid is 800 kJ. During the cooling process, the fluid loses 500
kJ of heat, and the paddle wheel does 100 kJ of work on the
fluid. Determine the final internal energy of the fluid.
Neglect the energy stored in the paddle wheel.
Qout=500 kJ
U₁ = 800 kJ
U₂ = ?
Fluid
Figure (2)
Wsh.in = 100 kJ

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