Professor
FRANCESCO FLORIS (Tit.)
Period
Second Semester 
Teaching style
Convenzionale 
Lingua Insegnamento
ITALIANO 



Informazioni aggiuntive

Course Curriculum CFU Length(h)
[70/84]  ENERGETIC ENGINEERING [84/00 - Ord. 2016]  PERCORSO COMUNE 6 60
[70/85]  MECHANICAL ENGINEERING [85/00 - Ord. 2016]  PERCORSO COMUNE 6 60

Objectives

Ability in comunication through the skills learned in the course towards people specialized and not specialized in the industrial environment the student will be inserted

Ability in teaching design technics and management, in teaching drawing restitution in 2-D graphs and calculus in the field both via PC and hand calculator

Ability to catch all the instruments of knowledge useful to apply continuously in the professional life

Prerequisites

BASIC KNOWLEDGE OF APPLIED THERMODYMAMICS AND FLUIDYNAMICS AND A MINIMUM EXPERTISE IN MATH (DIFFERENTIAL EQUATIONS AT PARTIAL DERIVATIVES)

Contents

Why to study Combustion: the relevance of combustion in power systems, in industry, in house and industrial heating and even in spare time; the Energy crisis (1)

Heat and Mass Transfer:
- The diffusion laws: Fick, Fourier and viscous fluids definition according to Newton law; analogies
- Kinematic viscosity, thermal and mass diffusivity, and the nondimensional groups Prandtl, Schmidt and Lewis
- The theories behind the transport phenomena of heat, mass and momentum. The kinetic theory of gas (5;3)

- The turbulence: mixing length and Kolmogorov theory. A few physical models of turbulence: the k - ¿ model
- The laws of conservation of mass, species, energy, momentum in laminar and turbulent flow (4;1)

- Rotational and irrotational flow in burner air jets: effects on pressure and velocity field and on mixing; the non dimensional group “swirl” (2;1)

- Homogeneous and heterogeneous combustion: gas mixture fuel/air, droplets spry, pulverized coal dust jets, simple physical models of combustion reactions and analytical solutions in laminar and turbulent flames, axialsymmetric modeling
- Physically and kinetically controlled flames; a very few elements of chemical kinetics (5;3)

- The combustion apparatus and importance of droplet production (2)

- Steady and unsteady conduction heat transfer in one, two, three dimensions under rectangular and polar coordinate systems
- Convection in external and internal flow, laminar and turbulent
- Fourier analysis and Bessel functions
- Heat exchangers and extended surfaces as quasi-one dimensional structure
- Free convection
- Boiling and condensation (8;8)

- Radiation: process and properties
- Radiation Exchange between surfaces
- Volumetric absorption, gaseous emission and absorption (5;12)

Teaching Methods

TOTAL HOURS 60
ALL OF THEM ARE CONTACT HOURS, DISTRIBUTED BETWEEN 32 HOURS LECTURING AND 28 TUTORIALS, AS EXERCISES AND EXPERIMENTS IN THE CLASSROOM
TOTAL ECTS CREDITS: 6

Verification of learning

Along the semester the student has two written tests, each test 100 points maximum and pass grade is 45 o greater. The average grade in the two tests, larger/equal 45 is offered as result of the exam out of thirties.
If he reject the mark he will have the final exams according to time-table of the Faculty

Texts

Bibliography: W.Rohsenow, H.Choi “Heat, Mass and Momentum Transfer”, B.Spalding “Combustion and M...

More Information

All textbooks and "cookbooks" on power generation throgh fuel combustion and texbooks on emission in atmosphere due to natural or/and syntetic organic fuels and textbooks on Thermal Engines and Plants are useful learning support and are easily found in libraries and technical bookshops

Questionnaire and social

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