Example 3.14: A rigid tank is divided into two equal parts by a partition. Initially one side of the tank contains 5 kg water at 200 kPa and 25°C, and the other side is evacuated. The partition is then removed, and the water expands into the entire tank. The water is allowed to exchange heat with its surroundings until the temperature in the tank returns to the initial value of 25°C. Determine (a) the volume of the tank (b) the final pressure (c) the heat transfer for this process.Answer for (a) V=0.01 m3, (b) 3.1698 kPa, (c) 0.25 kJ

Example 3.14: A rigid tank is divided into two equal parts by a partition. Initially one side of the tank contains 5 kg water at 200 kPa and 25°C, and the other side is evacuated. The partition is then removed, and the water expands into the entire tank. The water is allowed to exchange heat with its surroundings until the temperature in the tank returns to the initial value of 25°C. Determine (a) the volume of the tank (b) the final pressure (c) the heat transfer for this process.Answer for (a) V=0.01 m3, (b) 3.1698 kPa, (c) 0.25 kJ

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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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

Example 3.14: A rigid tank is divided into two
equal parts by a partition. Initially one side
of the tank contains 5 kg water at 200 kPa
and 25°C, and the other side is evacuated.
The partition is then removed, and the
water expands into the entire tank. The
water is allowed to exchange heat with its
surroundings until the temperature in the
tank returns to the initial value of 25°C.
Determine (a) the volume of the tank (b) the
final pressure (c) the heat transfer for this
process.Answer for (a) V=0.01 m3, (b) 3.1698
kPa, (c) 0.25 kJ

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