20810091 - FLUID DYNAMICS

THE COURSE IS AIMED AT GIVING THE STUDENTS THE THEORETICAL AND APPLIED FUNDAMENTALS OF THE FLUID MECHANICS.
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Programme

Introductory concepts, deformation and motion of a particle, Cauchy theorem, Eurlerian and Lagrangian description, the Reynolds transport theorem, the material derivative. Forces and moments on airfoils. Buckingham theorem. General governing equations in integral and differential form. Constitutive relationships for Newtonian fluids. Navier-Stokes equations, Bernouilli equation. Vorticity dynamics. Potential flows and singular solutions (the case of the cylinder). Boundary layer concepts and theoretical approach for a 2D steady case. The separation of the boundary layer. Compressible flows. Quasi- and Uni-dimensional models for isentropic flows and normal shockwaves. Low Reynolds number flows in ducts and Moody's diagram.

Core Documentation

Notes provided by the teacher

Type of evaluation

Oral examination. The examination dates will be communicated appropriately and published on the web site. Several possibilities will be given to the students to fix the exam starting from the first available date at the beginning of the exam session. In case of restrictions related to the persistence of the COVID-19 emergency, the procedures that will be adopted will be in line with the general provisions and will be based on the use of the Moodle platform as well as of other systems suited for the management of lessons and exams in remote mode (e.g. the MS Teams platform).