Answered: hat temperature will the steam be just…

Engineering

Civil Engineering

hat temperature will the steam be just dry and saturated?

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter17: Energy Conservation

Section: Chapter Questions

Problem 14P

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Concept explainers

Temperature effects on atom arrangements

Atoms are the smallest units of matter. Atoms can be subdivided into electrons, protons, and several other subatomic particles. Groups or combinations of atoms form molecules that primarily decide the property and behavior of materials. These molecules have the property to attract other molecules based on the valence electrons in the atoms' outermost orbit. An orderly arrangement of molecules is known as crystal structure, which forms the fundamental topic of concern in materials science and engineering. The arrangement of molecules is different for different materials and hence, each material exhibits different lattice arrangements. The lattice arrangements are functions of external loads, deformations, and temperature. On experiencing high temperatures or low temperatures, the behavior of the lattice arrangement of a material change.

Question

0.05 kg of steam at 1.5 MPa is contained in a rigid vessel of volume of 0.0076 m^3.

A. What is the temperature of the steam?

B. If the vessel is cooled, at what temperature will the steam be just dry and saturated?

C. Cooling is continued until the pressure in the vessel is 1.1 MPa, calculate the amount of vapor at this point.

D. Calculate the amount of heat rejected between the initial and the final state.

E. Draw the Ts diagram of the whole process.

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