Transfer Phenomena I
Code
7289
Academic unit
Faculdade de Ciências e Tecnologia
Department
Departamento de Química
Credits
6.0
Teacher in charge
Manuel José Teixeira Carrondo, Maria Margarida Canas Mendes de Almeida Cardoso
Weekly hours
4
Total hours
61
Teaching language
Português
Objectives
To understand the fundamental physical principles involved in moment and heat phenomena transport and their mathematical description. To apply this knowledgment in the design of equipment units used in the chemical industry.
Prerequisites
not required
Subject matter
1. Transport Basic Concepts
1.1. Equilibrium and driving forces
1.2. Operations in equilibrium stages and 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
3.2. The general transport equation and eddy diffusivity
3.3. Mechanism ratio analysis
3.4. Dimensionless groups
3.5. Boundary layers: laminar and turbulent
3.6. Friction coefficient
3.7. Global transfer coefficients
4. Analogies Among Mass, Heat, and Momentum Transfer: The Reynolds analogy, the Colburn analogy and the Martinelli analogy.
5. Momentum Transport in Incompressible Fluids
5.1. The Bernoulli equation
5.2. Pressure drops
5.3. Fluid and pressure meters
5.4. Pumping liquids
6. Heat Transport
6.1. Conduction
6.2. Convection
6.3. Radiation
6.4. Vapour condensers
6.5. Heat exchangers
6.6. Use of insulating materials
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.
- Set of exercises
Teaching method
- Lectures
- Problem-solving sessions