Guia docenteCurso Escuela Técnica Superior de Náutica y Máquinas |
Grao en Enxeñaría Mariña |
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Identifying Data | 2014/15 | |||||||||||||
Subject | Termodinámica e Termotecnia | Code | 631G02204 | |||||||||||
Study programme |
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Descriptors | Cycle | Period | Year | Type | Credits | |||||||||
Graduate | 1st four-month period |
Second | Obligatoria | 6 | ||||||||||
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Topic | Sub-topic |
1.- INTRODUCTION | 1.1.- OBJECTIVES OF THE THERMODYNAMICS. 2.1.- THERMODYNAMIC SYSTEM AND PROPERTIES 2.1.1.- Thermodynamic system. 2.1.2.- Thermodynamic properties. Primitive-Derived. Intensive-Extensive. 2.1.3.- States of a system. Postulate I (of state). Postulate II (of equilibrium). 2.1.4.- Thermodynamic processes. |
2.- WORK, ENERGY AND HEAT. | 1.2.- WORK. FORMS OF QUASI STATIC WORK . 1.2.1.- Mechanical forms of work 1.2.2.- Thermodynamic definition of work. Forms of quasi static work . 2.2.- ADIABATIC INTERACTION OF WORK. TOTAL ENERGY 2.2.1.- Adiabatic interactions of work. 2.2.2.- Total energy. Postulate III. 2.2.3.- Internal energy. First Law for a closed system. 3.2.- INTERACTIONS OF HEAT. 3.2.1.- Postulate III and non adiabatic work . 3.2.2.- Thermal equilibrium. Postulate IV. 3.2.3.- Postulate IV. Thermometry. Thermometric scales 4.2.- LAWS OF THE GASES. 4.2.1.- Equation of state of ideal gas. 4.2.2.- Mixtures of ideal gases. |
3.- STATES AND PROPERTIES OF PURE SUBSTANCES | 1.3.- PURE SUBSTANCES. 1.3.1.- Simple Compressible system. 1.3.2.- pVT surface of a pure substance. Proyections. 1.3.3.- Thermal Properties. 2.3.-PROPERTY VALUES. 2.3.1.- Tables of properties of pure substances. 2.3.2.- Mixtures of two phases (liquid-vapor). 2.3.3.- Approximations for compressed liquid and model of incompresible substance . 2.3.4.- Real gas. Factor of compressibility. Equations of state Generalised Chart. Law of corresponding states. |
4.- THE FIRST LAW FOR OPEN SYSTEMS | 1.4.- THE FIRST LAW OF THERMODYNAMICS FOR OPEN SYSTEMS. 1.4.1.- Mass, volume and surface of control. Equation of the First Law. 2.4.2.- Balances of mass and energy in a volume of control. Energy of flow. 3.4.3.- Integral and differential analysis. 3.4.4.- Balances of mass and energy in stationary and no stationary state. |
5.- THE SECOND LAW OF THE THERMODYNAMICS | 1.5.- ENTROPY AND SECOND LAW. 1.5.1.- Limitations of the First Law. 1.5.2.- Heat Engine. Energetic interactions between two reservoirs. 1.5.3.- Statements of the Second Law. Kelvin-Plank. Clausius. Equivalence of both statements. 1.5.4.- Reversibility. Statement of Carnot. 1.5.5.- Thermodynamic scale of temperature. 1.5.6.- Cycle of Carnot. |
6.- ENTROPY AND IRREVERSIBILITY | 1.6.- THEOREM OF CLAUSIUS. FUNCTION ENTROPY. 2.6.- ENTROPY 3.6.- PRINCIPLE OF INCREASE OF ENTROPY IRREVERSIBILITY. 3.6.1.- Balance of entropy for an enclosed system. 3.6.2.- Principle of increase of entropy. 4.6.- CHANGE OF ENTROPY. 4.6.1.- Equations Tds. Ideal gas Model. Liquid-vapor mixtures. Hypothesis of constant or variable specific heats. Model of incompressible substance. 5.6.- DIAGRAMS T-s and h-s. Graphic interpretation of the transfer of heat in an internally reversible process. Diagram of Mollier. 6.6.- BALANCE OF ENTROPY FOR CONTROL VOLUME 6.6.1.- Balance of entropy for control volume. Application to stationary and non-stationary flow. 7.6.- WORK IN PROCESSES OF STATIONARY FLOW INTERNALLY REVERSIBLE. 8.6.- ISOENTPROPIC EFFICIENCY 7.6.1.- Turbines. 7.6.2.- Compressors and pumps. 7.6.3.- Nozzles and diffusers. |
7.- COMPRESSIBLE FLOW | 1.7.- ADIABATIC STAGNATION OF A FLUID 2.7.- SOUND VELOCITY AND MACH NUMBER. 3.7.- EFFECT OF AREA FLOW CHANGES. 4.7.- RELATIONS BETWEEN FLOW PROPERTIES AND MACH NUMBER. 5.7.- EFFECT OF BACK PRESSURE ON NOZZLES. |
8.- STEAM AND GAS CYCLES | 1.8.- Rankine Cycle, efficiency and improvements. 2.8.- Gas Cycle. 2.8.1.-Otto and Diesel Cycles. 2.8.2.- Brayton Cycle, improvements. Combined Cycle 3.8.- Cycles of refrigeration.. |
9.- Humid air thermodynamics. Psychrometry | 1.9.- Properties. Psychrometric chart. 2.9.- Aplications. Air conditioning |
10.- REACTIVE MIXTURES. COMBUSTION | 1.10.- Combustion, calculations |
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