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Apr 20, 2024
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ME 3102 - Principles of Thermodynamics II3 lecture hours 0 lab hours 3 credits
Course Description
This is a continuation of introductory thermodynamic concepts for mechanical engineering students. The course begins with a detailed treatment of entropy and the second law of thermodynamics. Isentropic efficiency, irreversibility, and exergy are covered. Thermodynamic principles are applied to the study of gas power cycles, vapor power cycles, and refrigeration cycles. Thermodynamic performance parameters are used to characterize the cycles, including a discussion of energy use and environmental impacts. (prereq: ME 2101 )
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
- Explain the different statements of the 2nd Law of Thermodynamics
- Determine when the 2nd Law is violated in hypothetical engineering scenarios
- Interpret processes and cycles on T-s and P-v diagrams
- Apply a 2nd Law analysis (entropy and exergy balance) to processes involving both closed and open systems
- Evaluate the performance of Rankine and Brayton cycles, with their modifications
- Evaluate the performance of refrigeration cycles
- Relate energy conversion efficiency to emissions and economics
Prerequisites by Topic
- Multivariable calculus
- First-law analysis of open and closed systems
- Thermodynamic properties
- Thermodynamic processes and cycles
Course Topics
- Thermal energy reservoirs
- Heat engines
- Thermal efficiency
- Kelvin Planck statement of the 2nd Law
- Refrigerators and heat pumps
- Coefficient of performance
- Clausius statement of the 2nd Law
- Perpetual motion machines
- Reversible and irreversible processes
- Carnot cycle
- Carnot principles
- Carnot heat engine
- Carnot refrigerator and heat pump
- Entropy
- The increase in entropy principle
- Entropy change of pure substances
- Isentropic processes
- Property diagrams
- Statistical thermodynamics interpretation of entropy
- T-s diagrams
- Tds relations
- Entropy change of solids and liquids
- Entropy change of ideal gases
- Isentropic efficiency of steady flow devices
- Entropy balances on open and closed systems
- Exergy
- Reversible work and irreversibility
- 2nd Law efficiency
- The decrease in exergy principle
- Carnot cycle
- Air-standard assumptions
- Brayton cycle
- Brayton cycle with regeneration
- Brayton cycle with reheat and intercooling
- Carnot vapor cycle
- Rankine cycle
- Actual vs. ideal Rankine cycle processes
- Increasing the efficiency of the Rankine cycle
- Ideal reheat Rankine cycle
- Ideal regenerative Rankine cycle
- Cogeneration
- Combined gas-vapor power cycles
- Reversed Carnot cycle
- Ideal vapor-compression refrigeration cycle
- Actual vapor-compression refrigeration cycle
Coordinator
Dr. Prabhakar Venkateswaran
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