( english version )
Fisica tecnica B (Heat transfer) ( 5 CFU )
Prof. Marco Spiga
     Tel. 905855 - Fax. 905705           E-mail. marco.spiga@ied.eng.unipr.it

Understanding of fluid flow and heat transfer, and their applications.

Heat conduction, Fourier law and Fourier equation. Thermal conductivity, insulating materials. Temperature profile, heat flux. Internal power generation. Cartesian and cylindrical coordinates.
Heat convection, heat transfer coefficient and Newton law. Biot and Nusselt numbers.
Radiative heat transfer; Absorption and emission. Black and grey bodies. Stefan Boltzmann law, Plank law, Wien law, Lambert law, Kirchhoff law. Applications. Solar radiation. Combined radiative and convective heat transfer.
Non isothermal fluid flow. Viscosity and reology. Boundary layers, external and internal flows. Entrance region, fully developed flows. Continuity, Navier-Stokes and energy equations. Coutte flow. Poiseuille flow. Falling film on inclined surfaces. Laminar flow in circular and non-circular ducts. Microfluidics, Knudsen number. Slip flow in micro channels.
Laminar flow of non-Newtonian fluids in circular ducts. Forced, mixed and natural convection. Reynolds, Prandtl, Brinkman, Grashof numbers. Turbulent flow.

Attività d'esercitazione
Solution of problems and test cases.

Modalità d'esame
Oral examination.

Applied Mathematics, Physics, Thermodynamics.

Testi consigliati
Marco Spiga: Lezioni di Fisica Tecnica. Progetto Leonardo, Esculapio, Bologna.
Marco Spiga: Esercizi di Fisica Tecnica B, Progetto Leonardo, Esculapio, Bologna.

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