Learning objectives
Knowledge of the physical laws and phenomena at the basis of instrumental
measurements as well as of the concepts of dimensions, units and physical
magnitudes.
Course unit content
Physical quantitites and their measurement: Measurement of a physical quantity - Dimensions and units – Errors - Mean value - Standard deviation and sampling approximation -Vector quantities. Fundamentals of dynamics: Principles of dynamics - Energy, work and power - Weight force - Theorem of the kinetic energy - Conservative force fields - Potential energy - Conservation of mechanical energy - Center of mass and its properties -Conservation of the quantity of motion - Moment of force - Overview of rigid body motion - Levers and the human body – Balance - Elastic phenomena, Hooke’s law and elasticity modules - Flexure and torsion - Elasticity of blood vessels and bones. Waves and acoustics: Wave motion, wave equation and characteristic parameters - Interference and beats - Stationary waves - Resonance - Diffraction and Huyghens principle - Sound and its characteristics - Intensity, sensation, Weber-Fechner law - Doppler effect - Ultrasound and its application in the biomedical field Hydrostatics and hydrodynamics: Pressure - Laws of Stevin, Pascal and Archimedes - Atmospheric pressure and Torricelli’s barometer - Arterial pressure and its measurement - Surface tension and Laplace’s formula - Capillarity and Jurin’s law - Gaseous embolism - Pipe flow capacity - Ideal liquid and Bernouilli’s theorem -Implications for blood flow - Real liquids and viscosity - Laminar motion and Poiseuille’s theorem - Hydraulic resistance - Stokes’ equation and sedimentation speed - Turbulent regime and Reynolds number - Overview of cardiac work. Thermology and thermodynamics: Thermal dilation -Temperature and heat - Laws of gas and absolute temperature - Equation of state of ideal gases and approximation for real gases - Overview of the kinetic theory of gases - Specific heats –Change of state and latent heat - Heat propagation mechanisms -First and second principle of thermodynamics -Thermal machines and efficiency - Entropy and disorder.
Bibliography
Physics:
Giambattista, McCarthy Richardson, Richardson: Fisica Generale, Ed. McGraw-Hill (Milano).
Bersani, Bettati, Biagi, Capozzi, Feroci, Lepore, Mita, Ortalli, Roberti, Viglino, Vitturi:
Fisica biomedica, Ed. Piccin Nuova Libraria (Padova).
Scannicchio: Fisica Biomedica,
Ed. EdiSES (Napoli).
Statistics:
1) lecture notes
2) Stanton A. Glantz : Statistica per discipline Bio-mediche - ed. McGraw-Hill
3) Sidney Siegel, N. John Castellan Jr. : - Statistica non parametrica - ed.
McGraw-Hill
4) Internet links
