Winter, 2003
R. Overney
Course
Textbook (BSL): "Transport Phenomena", 2nd Ed., R.B. Bird, W.E.
Stewart and E.N. Lightfoot, John Wiley, New York 2002
References: Perry, "Chemical Engineers
Handbook", McGraw-Hill
Chemical Engineering 330
TRANSPORT PROCESSES I (Fluid Mechanics)
Course
Outline
I. Basics of Transport Processes
Phenomenological Rate Laws, Transport
Coefficients and Mechanisms
1.
Diffusive Mechanisms for Transport Processes: Heat,
Mass and Momentum
1.1 Viscosity (diffusive
transport coefficient for momentum transport) (BSL pp. 11-15)
1.2 Thermal Conductivity (diffusive transport coefficient for heat transport) (BSL pp. 265-273)
Fourier's law, heat flux, thermal
conductivity, heat capacity, thermal diffusivity, Prandtl
number, temperature and pressure dependence of thermal conductivity.
1.3 (Mass) Diffusivity (diffusive transport coefficient for mass transport) (BSL pp. 513-524)
Fick's law of binary diffusion,
Schmidt number, pressure and temperature dependence of diffusivities.
1.4 Other Transport
Mechanisms: Convection, Radiation
1.
Molecular Theory of Viscosity
2.1 Molecular Theory of the Viscosity of Gases at low Density (BSL pp. 23—28 )
2.2 Molecular Theory of the Viscosity of Liquids (BSL pp. 29—31 )
II.
Distributions from Shell Balance with Rate Equation
One dimensional distributions
in velocity, temperature and concentration
2.
Shell Momentum Balances and Velocity Distributions in
Laminar Flow
3.1 One-dimensional Flow
Profiles (BSL pp. 41-58)
Boundary condition (no slip condition),
straight streamline condition, flow of falling film, and flow in a circular
tube, flow through annulus, flow of adjacent immiscible fluids
3.2 Creeping Flow Around a Sphere (BSL pp. 58-61)
3.
Shell Energy Balances and Temperature Distribution in
Solids
4.1 One-dimensional Flow
Profiles in Conduction (BSL pp. 290-296)
Boundary condition (Dirichlet,
Neumann,
4.2 Heat Conduction through
Composite Walls (BSL pp. 303-307)
4.
Shell Mass Balances and Concentration Profiles
5.1 Diffusion through Stagnant
Gas Film (BSL pp. 545-551)
III. Fundamental Equations of Isothermal Flow of a Pure Fluid
5.
Equation of Change
6.1 Equation of Continuity (BSL pp. 77-78)
Mass balance equation
6.2 Equation of Motion (BSL pp. 78-80
Momentum balance equation, the relative
motion of the observer, Navier Stokes Equation 83-86)
6.3 Elimination Procedure to
Solve Navier-Stokes Equation (BSL pp. 86-96)
Mass balance equation
IV. Velocity Distribution with More than One Independent Variable
Curl-Representation of Navier-Stokes
Equation, Stream Functions, Potential Flow
6.
Navier Stokes and
Inviscid Flow Pattern
7.1 Vorticity, Stream Function
and Navier-Stokes Equation (BSL pp. 121-123)
Gromeka
Lamb Equation
7.2 Inviscid Two-Dimensional
Flow (BSL pp. 126-133)
Velocity potential
7.
Viscous and Inviscid Flow
8.1 Boundary Layer Equation (Prantdl, Blasius) (BSL pp. 133-140)
V. Friction Factor
8.
Friction Factor in Various Geometries and Confinement
9.2 Friction Factor in Tubes (BSL pp. 177-184)
9.2 Friction Factor for Flow
around Spheres (BSL pp. 184-188)
9.2 Friction Factor for Packed
Columns (BSL pp. 188-192)
VI. Velocity Distribution in Turbulent Flow (BSL pp. 152-221)
10.
Laminar vs. Turbulent Flows – Eddy Diffusivity
VII. Momentum Transfer and Overall Balances
11. Balances
11.1 Macroscopic Mass Balance (BSL pp. 198-200)
11.2 Macroscopic Momentum
Balance (BSL pp. 200-201)
11.3 Macroscopic Mechanical
Energy Balance (BSL pp. 203-205)
12.
Viscous Loss and Use of Macroscopic Balances (BSL pp. 205-221)