DENSYS Curriculum

Foreword

How the program is structured

Year 1

Year 2

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Turbulence: phenomenology, simulation

Turbulence: phenomenology, simulation [820757]

Teaching Unit (for year 2): Turbulence: phenomenology, simulation

Face-to-face time

⁠
`40`
⁠
hours

Student workload

⁠
`85`
⁠
hours

ECTS

⁠
`5`
⁠
⁠

Responsible Teacher

Francesc Xavier TRIAS

Universistat Politecnica de Catalunya

CTTC - Thermal engines department

⁠

Pedagogic Team

Carlos David PÉREZ-SEGARRA

Universistat Politecnica de Catalunya

CTTC - Thermal engines department

⁠

Aims of the teaching

The purpose of this course is to know and understand the phenomenology of turbulent flows. Understand and correctly interpret statistical tools for turbulent flows. Learn the basics of modelling turbulence. Performing various practical exercices to better understand the theoretical aspects of the course.

The main contents are:

Introduction-review of the governing equations: Navier-Stokes and energy conservation. Basic concepts.

Theory of boundary layer

Introduction to turbulence. Energy spectrum. Averaged Navier-Stokes equations. Average flow and Reynolds tensor terms. Statistical treatment: autocorrelations, PDF

Numerical methods for solving the governing equations. Conservative discretisation. Temporary integration of equations. Solvers

Direct turbulence resolution (DNS). Different forms of modelling turbulence: LES and models of regularisation

Application of simulation techniques in the study of flows around obstacles, around a cylinder, around an aerodynamic profile and around a simplified car.

Intended Learning outcomes (measured by the assessment)

At the end of the course, the student has to acquire knowledge on:

Basic knowledge of turbulence and its energy spectrum.

Statistical treatment of turbulent flows.

Modelling and resolution of turbulent flows.

Application of basic numerical methods and turbulence to improve energy efficiency by means of efficient aerodynamic designs.

Learning activities and approach

E-learning (online)

Lectures (onsite)

30h

Tutorials (onsite)

10h

Useful information

Location

-Escola Tècnica Superior d’Enginyeries Industrials de Barcelona (ETSEIB)

Practical work equipment

Other information

Assessment method

Practical work group, proposed exercises, written exam (the percentage distribution is detailed in UPC courses guides

⁠

https://estudis.etseib.upc.edu/ca/degree/1387⁠

)

Prerequisites

Fundamentals of thermodynamics, fluid mechanics and heat transfer necessary to understand the operation of the motor thermal machines.

Related literature

Pope, S. B. Turbulent flows. Repr. with corr. Cambridge [etc.]: Cambridge University Press, 2000. ISBN 0521591252.

Berselli, Luigi Carlo; Iliescu, T.; Layton, W. J. Mathematics of large eddy simulation of turbulent flows [on line]. Berlin: Springer, cop. 2006Available on: http://dx.doi.org/10.1007/b137408. ISBN 3540263160.

Patankar, Suhas V. Numerical heat transfer and fluid flow. New York: McGraw-Hill, cop. 1980. ISBN 0891165223.

Sagaut, Pierre. Large eddy simulation for incompressible flows : an introduction. 3rd ed. Berlin [etc.]: Springer, cop. 2006. ISBN 3540263446.

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