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ME303: Thermal-Fluid Systems

Unit 7: Power Conversion   The subject of power conversion is vast, encompassing processes as diverse as nuclear reactions and the dynamics of life.  In this section, you will study a few common examples of power conversion systems that you may encounter as an engineer.  Typically, these involve the interchange of chemical, mechanical, and electrical energy.

Unit 7 Time Advisory
This unit should take you 18 hours to complete.

☐    Introductory Reading: 1 hour

☐    Subunit 7.1: 3 hours

☐    Subunit 7.2: 3 hours

☐    Subunit 7.3: 3 hours

☐    Subunit 7.4: 3 hours

☐    Subunit 7.5: 4 hours

☐    End of Unit Self-Assessment: 1 hour

Unit7 Learning Outcomes
Upon successful completion of this unit, the student will be able to:

  • Apply thermodynamics to the analysis of energy conversion systems.
  • Identify advantages and disadvantages of various chemical fuels.
  • Calculate and compare efficiencies of power conversion systems corresponding to different thermodynamic cycles.

  • Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion” (PDF)
     
    Instructions: This text is a reference for the entire unit.  It contains a review of thermodynamics and exercises.  At this stage, familiarize yourself with the organization of the text and contents of the Appendices.
     
    Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

7.1 Review of Thermodynamics   - Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 1: Fundamentals of Energy Conversion” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 1: Fundamentals of Energy Conversion” (PDF)
 
Instructions: Open the PDF above and read Chapter 1 in its entirety (pages 1-33).  This chapter is remarkably accessible.  Thermodynamic concepts bear repeated review.  Work eight of the thirty-one problems at the end of the chapter.  You may refer to the Appendices.
 
Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

7.2 Steam Power   - Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 2: Fundamentals of Steam Power” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 2: Fundamentals of Steam Power” (PDF)
 
Instructions: Open the PDF above and read Chapter 2 in its entirety (pages 35 - 84).  Study the chapter and work through eight of the exercises at the end.
 
Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

7.3 Chemical Fuels   - Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 3: Fuels and Combustion” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 3: Fuels and Combustion” (PDF)
 
Instructions: Open the PDF above and read Chapter 3 in its entirety (pages 85 - 132).  Also, work through eight of the exercises at the end.  As you read through the chapter, carefully consider the energy density of different materials.
 
Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

7.4 Reciprocating Internal Combustion Engines   - Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 6: Reciprocating Internal Combustion Engines” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 6: Reciprocating Internal Combustion Engines” (PDF)
 
Instructions: Open the PDF above and read Chapter 6 in its entirety (pages 224 - 260).  Study the chapter and work through six of the exercises at the end.
 
Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

7.5 Gas Turbines and Jet Engines   - Reading: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 5: Gas Turbines and Jet Engines” Link: University of Tulsa: Kenneth C. Weston’s “Energy Conversion: Chapter 5: Gas Turbines and Jet Engines” (PDF)
 
Instructions: Open the PDF above and read Chapter 5 in its entirety (pages 169 - 223).  Study the chapter and work through eight of the exercises at the end.
 
Terms of Use: The linked material above has been reposted by the kind permission of Kenneth C. Weston, and can be viewed in its original form here.  Please note that this material is under copyright and cannot be reproduced in any capacity without explicit permission from the copyright holder. 

Unit 7 Assessment   - Assessment: The Saylor Foundation’s “ME303: Unit 7 Quiz” Link: The Saylor Foundation’s “ME303: Unit 7 Quiz
 
Instructions: Please complete the linked assessment.
 
You must be logged into your Saylor Foundation School account in order to access this quiz.  If you do not yet have an account, you will be able to create one, free of charge, after clicking the link.