B024528 - INDUSTRIAL TECHNICAL PHYSICS

Italian

This course on thermodynamics and heat transfer analysis of the energy
systems

Michael Moran, Howard N. Shapiro, Bruce R. Munson, David P. DeWitt, “Elementi di Fisica tecnica per l’ingegneria”, McGraw Hill, 2011;
Fisica tecnica di Fabio Polonara, Gianni Cesini, Gianni Latini, Editore: CittàStudi; 2017

Knowledge of limits and kind of temperature measurements.
To get ability to build a thermodynamic model of closed and open systems. Understanding of quality of energy.
Ability to build a thermodynamic model for systems coherent with goals and material properties.
Ability of understanding thermal processes and thermodynamic transformations.
Ability to calculate thermal fluxes and temperature distribution in stationary systems.
Understanding of limits and applicability of such models.
Ability to a first design of a heat exchanger.
Understanding of basic direct and inverse thermodynamic cycles.

Elements of algebra. Partial derivatives, differential and integrals. Differential homogeneous equations, series expansions. Knowledge of double integrals, calculus of surfaces. Different references coordinates. Basic of chemicals.

Lessons and classroom work

A.Dumas, S.Mazzacane, Elementi di Termodinamica, Ed. Esculapio, Bologna 1996.
A. Cavallini, L. Mattarolo, Termodinamica Applicata, Edizioni CLEUP, Padova.
M.W. Zemansky, Termodinamica, Zanichelli F. Kreith: Principi di trasmissione del calore, Liguori Editore.
E. Bettanini, F. De Ponte: Problemi di Trasmissione del Calore, Patron, Padova
Çengel, Termodinamica e Trasmissione del calore, McGraw Hill, 1991

Written test lasting 1 hour (correction during the oral exam) and oral exam.
The student should demonstrate to be able to develop a solution on simple problems of heat exchange and thermodynamics of energy systems, using the skills acquired in line with the training objectives of the course.

Applied thermodynamics; introduction to classical thermodynamics, thermodynamic properties of matter, concepts and definitions, SI units and thermodynamic parameters; closed and open thermodynamic system, First and Second Law, work and heat, energy, entropy and exergy, cycles, efficiency and irreversibility. Ideal gas, real gas and ideal
mixtures, thermodynamic parameters and psychrometric transformations, psychrometric chart.
Fluids mechanics; principles and fundamentals of fluids mechanics, properties of continuous media, mass and energy conservation, Newton's laws and viscosity principles of fluid mechanics, hydrostatics, Bernoulli's general equation, pipe and duct flow, Reynolds's number. Motion duedifference in density (chimney), Venturi's and Pitot's pipe, and Hugoniot's to equation.
Heat Transfer; Conduction heat transfer, Principles of heat transfer conduction in continuous media, conduction in solids, steady state and transient heat conduction, temperature distribution, internal energy generation. Conduction in multilayered solids in flat plate structures and cylindrical ones. Fins and extended surfaces and their effectiveness.
Convection heat transfer, fundamentals of convection heat transfer, natural and forced convection, external and in pipes.
Radiation heat transfer; Radiative properties and fundamentals analysis, black body and grey, laws and properties, emittances and absorptances properties of surfaces,
view factors. Solar radiation, greenhouse effect.
Simultaneous conduction, convection and radiation heat transfer
Heat exchangers, Overall heat transfer coefficient, heat exchanger effectiveness, mean temperature difference, NTU number. Basic on boiling and condensation.
Direct and reverse fundamental cycles