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Transport Phenomena I

Objectives

To understand the fundamental physical principles involved in moment and heat phenomena transport and their mathematical description. To apply this acknowledgment in the design of equipment units used in the chemical industry.

General characterization

Code

7289

Credits

6.0

Responsible teacher

Maria Margarida Canas Mendes de Almeida Cardoso

Hours

Weekly - 4

Total - 56

Teaching language

Português

Prerequisites

Available soon

Bibliography

- S. Foust, L. A Wenzel, C. W. Clump, L. Maus, L. B. Andersen, “Principles of Unit Operations”, John Wiley & Sons, Inc.

- J. M Coulson & J. F. Richardson, “Tecnologia Química”, Volume I , Fundação Calouste Gulbenkian .

- R. S. Brodkey and H. C.Hershey, “Transport Phenomena – A Unified Approach”, 2nd Ed. McGraw Hill, 1989.

- transparencies and set of exercises provided by teaching staff.

Teaching method

Lectures combine the presentation of the theoretical concepts with the use of slide projection containing schematic illustrations with important aspects related to the subject and the resolution of exercises by the students. At the end of each lesson the resolution of each problem is demonstrated. There will be a visit to the DQ Pilot Plant so that students can see pilot scale equipment and get contact with the  works that take place there.

Evaluation method

There will be two individual  tests during the semester and a team work performed at the end of the semester.

The weighting of the examinations and team work will be:

Mid-term Test I:  40%

Mid-term Test II:  40%

Term work: 20%

Subject matter

1. Transport Basic Concepts

1.1. The role of transport processes in chemical and biological systems

1.2 Equilibrium and driving forces, rate of transfer

2. Mass, Heat, and Momentum Transport by Molecular Mechanism

2.1 The general molecular transport equation and diffusivities

2.2 Newtonian fluids, non-newtonian fluids, with time dependent and time independent viscosities

3. Turbulent Transport

3.1 The Reynolds experiment,the general transport equation and eddy diffusivity, mechanism ratio analysis, dimensionless groups

3.2 Boundary layers: laminar and turbulent

3.3 Global transfer coefficients

4. Momentum Transport in Incompressible Fluids

4.1 The Bernoulli equation, pressure drops

4.2 Pumping liquids

5. Heat Transport

5.1 Conduction, convection, radiation

5.2  Condensers

5.3  Heat exchangers

5.4  Use of insulating materials