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Get Full Access to Fundamentals Of Engineering Thermodynamics - 8 Edition - Chapter 7 - Problem 7.108
Get Full Access to Fundamentals Of Engineering Thermodynamics - 8 Edition - Chapter 7 - Problem 7.108

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# Nitrogen (N2) at 25 bar, 450 K enters a turbine and ISBN: 9781118412930 139

## Solution for problem 7.108 Chapter 7

Fundamentals of Engineering Thermodynamics | 8th Edition

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Problem 7.108

Nitrogen (N2) at 25 bar, 450 K enters a turbine and expands to 2 bar, 250 K with a mass flow rate of 0.2 kg/s. The turbine operates at steady state with negligible heat transfer with its surroundings. Assuming the ideal gas model with k 5 1.399 and ignoring the effects of motion and gravity, determine (a) the isentropic turbine efficiency. (b) the exergetic turbine efficiency. Let T0 5 258C, p0 5 1 atm.

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Controls of Dynamic Systems:ME 4334 (Tues&Thurs 2-3:20 Dr. Zhang) • Homework is Based from the Textbook. Course Website: Blackboard. [Will post homework, old quizzes and test.] Grades: • Homework 10% (Given Tuesday and due the next. Will be given the solutions.) • Quizzes 15% (Can have an equation sheet and will be every Thursday.) • Midterms 50% (3 exams.) • Final Exam 25% >There won't be a curve. Review of Dynamic Models: (Ch 1, Ch 2.2) What is a dynamic system • Steps of Controlling Systems. Feedforward is simpler while feedback is more accurate.

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##### ISBN: 9781118412930

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