ENGR 2070 - Thermodynamics Credits: 3 Hours/Week: Lecture 3 Lab 0 Course Description: This course introduces the fundamental concepts and laws of engineering thermodynamics. Topics include thermodynamic properties of pure substances, equations of state for ideal and real fluids, and the behavior of gas and liquid mixtures, including basic psychrometrics. Energy forms and modes of energy transfer are analyzed, along with reversible and irreversible processes in both steady and unsteady systems. Conservation of mass, energy, and entropy is applied to open and closed systems using the first and second laws of thermodynamics. Entropy, process feasibility, and performance are emphasized. Thermodynamic cycles are evaluated and thermodynamic principles are applied to engineering systems. MnTC Goals None
Prerequisite(s): PHYS 1081 and MATH 1081 and CHEM 1041 with grade C or higher Corequisite(s): None Recommendation: N/A
Major Content
- Thermodynamic processes, open, closed, and isolated system concepts
- Properties of fluids and parameters of processes that define engineering systems
- Forms of energy and work, reversible and irreversible processes, quasi-equilibrium processes, modes of energy transport
- Steady and unsteady engineering systems
- Properties of pure substances, phase diagrams, determination of state, and process parameters that make phase changes
- Ideal gas law- Equation of state of an ideal gas
- Real gas law
- Deviation from ideal gas law
- Compressibility of a real gas
- 2-phase (Gas-Liquid) equilibrium of a real gas
- 3-phase (Gas-Liquid-Solid) equilibrium of a real gas
- 1st law of thermodynamics for closed and open systems
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2nd law of thermodynamics, applying entropy balances, feasibility of engineering processes
- Conversation of mass and energy, and entropy balances for control volumes
- Common engineering devices (e.g., turbines, nozzles, diffusers, condensers, boilers, heat exchangers, compressors, pumps)
- Ideal equation of state for gases, compressibility of real gas systems
- Mixture properties for systems of ideal gases and gas-vapor mixtures, principles of psychometrics
- Practical applications of thermodynamics to engineering systems e.g., gas and vapor generation, refrigeration, propulsive systems, heating and cooling systems, thermochemistry, chemical equilibrium)
Learning Outcomes At the end of this course students will be able to:
- distinguish between open and closed engineering systems and steady and unsteady states.
- describe the properties of a thermodynamic state and ideal gas law.
- evaluate heat and work relationship in engineering systems with ideal gases and multi-phase systems.
- apply the first law of thermodynamics to perform energy and mass balances.
- determine the feasibility of an engineering system through application of the second law of thermodynamics and entropy of a state.
- distinguish between reversible and irreversible processes.
- apply thermodynamic laws to both open and closed systems.
- apply energy and work concepts to engineering applications including Carnot cycle, refrigeration cycle and heat pump, propulsion systems, thermochemistry and chemical equilibrium.
- apply thermodynamic principles to plan and design an engineering project of cooling/heating system.
- employ thermodynamics tables, equations, and charts in evaluation of thermodynamic properties
Minnesota Transfer Curriculum (MnTC): Goals and Competencies Competency Goals (MnTC Goals 1-6) None Theme Goals (MnTC Goals 7-10) None
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