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Energy Analysis of Control Volumes at Steady StateWater
Chapter 4, Problem 30P(choose chapter or problem)
Water vapor enters an insulated nozzle operating at steady state at \(500^{\circ} \mathrm{C}, 40 \mathrm{bar}\), with a velocity of \(100 \mathrm{~m} / \mathrm{s}\), and exits at \(300^{\circ} \mathrm{C}\), 10 bar. The velocity at the exit, in \(\mathrm{m} / \mathrm{s}\), is approximately
(a) 104 ,
(c) 888 ,
(b) 636 ,
(d) 894.
Questions & Answers
QUESTION:
Water vapor enters an insulated nozzle operating at steady state at \(500^{\circ} \mathrm{C}, 40 \mathrm{bar}\), with a velocity of \(100 \mathrm{~m} / \mathrm{s}\), and exits at \(300^{\circ} \mathrm{C}\), 10 bar. The velocity at the exit, in \(\mathrm{m} / \mathrm{s}\), is approximately
(a) 104 ,
(c) 888 ,
(b) 636 ,
(d) 894.
ANSWER:Solution
Step 1
In this problem, we have to find the velocity at the exit, in m/s, is approximately. Where