


Politecnico di Torino  
Anno Accademico 2010/11  
01LNPHX Thermodynamics and thermokinetics 

Corso di Laurea in Ingegneria Dell'Autoveicolo (Automotive Engineering)  Torino 





Obiettivi dell'insegnamento
Understand: (i) The connections between the processes of the material systems and the energy exchanges. (ii) The fundamentals of elementary thermodynamics based on the first and the second law. (iii) How the theory of applied thermodynamics can be used to study energy conversions in power, propulsion and industrial processes. (iv) The fundamentals of the transfer of mechanical and thermal energy and radiation in solid and fluid systems applied to real systems, as heat exchangers

Competenze attese
Be able to: (i) Use the theory of applied thermodynamics to calculate the energy balance of closed and open systems, in steady state and transient processes. (ii) Recognise the principal gas and steam power systems and calculate in the ideal case energy transfers and efficiency. (iii) Know, from a phenomenological point of view the principle types of heat transfer processes, conduction, convection and radiation, and evaluate the quantitative connection between heat fluxes and properties of physical materials. (iv) Evaluate how heat transfer occurs in real devices as heat exchangers.

Prerequisiti
Calculus. Linear algebra. Fundamentals of Differential Equations. Fundamentals of Physics I and II, Fluid Mechanics.

Programma
Credit 1
The scope of the thermodynamics. The main concepts and physical quantities, systems, states, state equations, processes, temperature, work and heat. Homogeneous systems and ideal gases. The principle of mechanical energy conservation and Bernoulli law.. Credit 2 First and second law for closed and open systems. Total and internal energy. Enthalpy. Entropy and irreversibility. The Carnot theorem. Absolute temperature. Credit 3 Ideal gas cycles with and without regeneration (Otto, Diesel, JouleBrayton and Stirling), Vapours and their properties, Mollier's diagram. , ideal Rankine cycle, regenerations, combined cycles. JouleThomson effect. Real gases. Refrigeration and heat pumps cycles. Credit 4 Phenomenological descriptions of thermal energy transport. Thermal conduction, Fourier's law and thermal conductivity. Heat transfer in monodimensional bodies in cartesian and cylindrical coordinates. Electric analogy and thermal resistance. Heat transfer in extended surface bodies. Fluid properties, viscosity, laminar and turbulent conditions, Reynolds number, velocity and temperature boundary layer. The Newton's law. Forced and natural convection. Dimensional analysis and main correlations Credit 5 Heat transfer by radiation: The black body, StefanBoltzmann's and Wien's law. Gray bodies and emissivity. Radiation heat transfer between black bodies; electric analogy. Heat exchangers types. Heat flow and temperatures in parallel flow heat exchangers. Methods for the calculation of real heat exchanger: F coefficient and LMTS (logarithmic mean temperature difference) and efficiency NTU. 
Laboratori e/o esercitazioni
The course is organised in theoretical lectures, applied lectures to solve exercises that apply the subjects dealt with in lessons, and laboratory experiments.

Bibliografia
Books suggested by the professor. Lessons notes. Handouts on specific topics.

Controlli dell'apprendimento / Modalità d'esame
The examination consists of a written test, concerning the solution of some exercises, and on an oral test.

Orario delle lezioni 
Statistiche superamento esami 
