Educational guide School of Chemical Engineering |
english |
Energy Conversion Systems and Technologies (2019) |
Subjects |
ADVANCED THERMODYNAMIC ENGINEERING |
Contents |
IDENTIFYING DATA | 2023_24 |
Subject | ADVANCED THERMODYNAMIC ENGINEERING | Code | 20755104 | |||||
Study programme |
|
Cycle | 2nd | |||||
Descriptors | Credits | Type | Year | Period | ||||
4.5 | Compulsory | First | 1Q |
Competences | Learning outcomes | Contents |
Planning | Methodologies | Personalized attention |
Assessment | Sources of information | Recommendations |
Topic | Sub-topic |
CHAPTER 1. Review of Basic Concepts and the First Law of Thermodynamics |
1.1 Review of Basic Concepts: energy, energy transfer and energy analysis; Thermodynamic properties of pure substances. Energy analysis of closed systems. 1.2 Mass and Energy analysis of control volumes: Conservation of mass principle; mass balance for steady-flow processes. Flow work and the energy of a flowing fluid. Energy analysis of steady-flow systems. Some steady-flow in engineering devices 1.3 Problem Solving Technique. Engineering Software packages. |
CHAPTER 2. Review of the Second Law of Thermodynamics | 2.1 The Second Law: Heat Engines; thermal efficiency. Refrigeration and heat pumps; coefficient of performance. Reversible and Irreversible Processes. The Carnot Cycle; the Carnot Heat Engine; the quality of energy. The reverse Carnot Cycle; the Carnot Refrigerator and Heat Pump. 2.2 Entropy and Entropy Balance: Entropy Concept and Entropy change of pure substances. Isentropic Processes. Property diagrams involving entropy. The entropy change of liquids, solids and ideal gases. Reversible steady-flow work. Isentropic efficiencies of steady-flow in engineering devices. Entropy generation associated with a heat transfer process. |
CHAPTER 3. The Exergy Method | 3.1 Concept of Exergy and Irreversibility: Exergy as work potential of energy. Reversible Work and Irreversibility. Second-Law efficiency. 3.2 Exergy Change of a system: Exergy of a fixed mass (non-flow exergy) or closed system. Exergy of a flow stream: Flow or (stream) exergy. Mechanisms of exergy transfer. Exergy destroyed. Exergy balance in closed systems and control volumes. Exergy balance for steady-flow devices |
CHAPTER 4. Gas and Vapour Power Cycles | 1 Gas Power Cycles: Basic considerations in the analysis of power cycles. Overview of reciprocating engines. Brayton Cycles: Ideal cycle for gas turbine engines. Brayton Cycle with intercooling, regeneration and reheating. Micro-gas turbines. 4.2 Vapour and Combined Power Cycles: The Carnot Vapour Cycle. The Rankine Power Cycle. Energy Analysis of the Ideal Rankine Cycle. Reheat and regenerative Rankine Cycles. Cogeneration. Combined gas and vapour-power cycles. 4.3 ORC Power Cycles: Rankine cycle for low-grade heat sources; the regenerative ORC Cycle. Thermodynamic properties of working fluids; ORC Technological aspects: Expanders, and ORC configurations. Applications and ORC Plants installed. |
CHAPTER 5. Refrigeration and Heat Pumps | 5.1 Refrigeration: Definition; Natural and Artificial Refrigeration, Classification. Mechanical and Thermal Refrigeration Systems. Vapour-Compression Cycles. Energy Analysis of Vapour Compression Cycles. Refrigerants. Environmental Aspects. Natural and Low-Global Warming Impact Refrigerants. Vapour-Compression Cycles with Zeotropic Mixtures. Methods to improve energy efficiency. 5.2 Advanced Refrigeration Cycles. Multistage refrigeration Cycles. Cascade Refrigeration Systems. Refrigeration Systems with CO2. 5.3 Heat Pumps: Classification of Heat Pumps; Performance Indicators. Vapour- Compression Heat Pumps. Energy Analysis of a Vapor Compression. Refrigerants and Environmental Aspects. Industrial Heat Pumps. |