Chemical Engineering

INTRODUCTION: The scientific method. Physical quantities. Systems of measurement. Measures and uncertainties. PARTICLE KINEMATICS: Model of point mass. Reference systems. Displacement, velocity, acceleration. Law of motion, trajectory. Special motions: uniform, uniformly accelerated, circular, harmonic, central. Plane motion: tangential and normal acceleration. PARTICLE DYNAMICS: Force. Newton's Law. Momentum and impulse. Weight, elastic force, friction, drag force. Angular momentum and angular momentum theorem. Pendulum. Free, damped and forced oscillations; resonance. Non-inertial reference systems and inertial forces. WORK AND ENERGY: Work. Kinetic energy and work. Conservative forces and potential energy. Power. Conservation of mechanical energy. Equilibrium and stability. GRAVITATION: Newton's law. Gravitational mass. Kepler's laws. MECHANICS OF MANY-PARTICLES SYSTEMS: Centre of mass. Newton's laws for systems of particles. Theorems of linear and angular momentum. Kinetic energy of systems. Collisions: normal, central collisions. Mechanics of rigid bodies. Body rotating around a fixed axis: rotational inertia. Huygens' theorem. Kinetic energy. Rolling. Equivalent systems of forces. FLUID MECHANICS: Pressure. Statics: Pascal's principle, Archimede's principle. Fluid dynamics: current and flow lines, continuity eq., Bernoulli's eq. Viscous fluids. ELASTICITY: deformations and stresses, Hooke's law. Relation between the parameters K, E, μ and G. HEAT AND TEMPERATURE: Temperature. Zeroth law. Temperature scales. Thermal expansion. Heat, specific heats. Calorimeters. Heat transfer mechanisms. THERMODYNAMICS: Thermodynamic systems. Thermodynamic equilibrium. State quantities and state variables. Transformations. Work in reversible transformations. Equivalence of heat and energy. The first law of thermodynamics. Ideal gas: equation-of-state, internal energy kinetic interpretation of pressure and temperature. Real gases, Van der Waals' equation. Thermal machines. Carnot's cycle. Second law of thermodynamics. Carnot's theorem, Clausius' inequality, entropy. Thermodynamic temperature.

Basic topics presented in the following courses: Calculus 1, Geometry and Chemistry.

Fisica Vol. 1 - Meccanica e Termodinamica" III Edizione di P. Mazzoldi, M. Nigro e C. Voci (a cura di S. Atzeni e F. Michelotti) Ed. EsiSES (2023)

Attendance of all lectures scheduled by the Faculty.

Written examination: - solution to a series of proposed problems - correctness of logical deduction - graphical representation of results - discussion on the existence and validity of found solution Oral examination: - level of mastering of course contents - clarity of exposition and use of appropriate language - ability to solve simple exercises

In person lecture with written derivation of most important theorems and resolution of examples and exercices.