Tentative Lecture Outline (this will evolve with the class)
Week |
Topic |
HW Problems and Reading: DUE ON THE DAY |
1 (January 11) |
Physical
Principles: What are fluids? The continuum hypothesis and the complexity of
geological materials. Observing “physically”. Control volumes and
problem-solving strategies. |
TUESDAY Heuberger et al., Density Fluctuations
Under Confinement: When Is a fluid not a fluid? Science, 292, 905-908, 2001. CER Ch. 1 - 3 (review material as
needed for day 1 and return to this through the course as you need) THURSDAY Home experiment: CV
choice. Turbulent jets and plumes in the kitchen Reading: CER Ch. 4.1-4.3, 5 |
2 |
Physical
Principles: Systems, control volumes and integral forms of the conservation laws.
Practice
with various geological fluid flow problems. Building
physical insight: Dimensional analysis and scaling analysis basics |
TUESDAY Reading: PF 2.1-2.4.2 Probs: CER 5.3, 5.4, 5.5, 5.10, 5.12, 5.16; Supplemental problems: Review
1 THURSDAY Reading: CER Ch. 6.1-6.4; PF 2.4.3-2.4.4 Probs: PF 2.3, 2.4, 2.8 |
3-5 |
Euler
and Bernoulli equations. Momentum conservation. Surface and body forces; Dimensional
analysis and physical thinking. Links
between variations in momentum flux, dynamic pressure variations, boundary
conditions and drag. Forces
on river bends; Volcanic ballistics; Periodic variations in the length of day |
TUESDAY Re-read
as needed: CER Ch. 6.1-6.4; PF 2.4.3-2.4.4 QUIZ 1 THURSDAY (1/26) Home experiments on momentum fluxes and drag; Find one
image involving a flow disturbed around anything—rocks, plants, biology,
islands, planets, whatever TUESDAY (2/1) Probs: PF 2.12, 2.14, 2.18 , 2.19 |
5 |
Mass
and momentum conservation with the Bernoulli equation. Boundary conditions,
closure problems Pressure
(form) drag and the flight of volcanic bombs; Inner core-Outer core- mantle coupling
and Earth’s length of day: Effects of gravitational and magnetic “drag” |
THURSDAY (2/3) Supplemental
problem (if we get there): Integral momentum conservation, rigid
boundaries and drag. Volcanic bombs and reconstructing vent conditions
from a field map THURSDAY (2/10) QUIZ 2. |
6 |
Continuum
mechanics review; Div, Grad, Curl; Links between
vorticity, circulation and dynamic pressure variations |
TUESDAY (2/15) Supplemental
problems: Review
2 Read
and outline supplemental notes on continuum mechanics as needed; Reading: PF 1.3 THURSDAY |
7 |
Finish
Continuum Mechanics; Kinematics of fluids; Lagrangian
and Eulerian reference frames; Velocity gradients and acceleration |
TUESDAY (after break) Reading: CER Ch. 4; PF Ch. 3 (this is long) Home
experiment: Pure and simple shear; boundary conditions THURSDAY |
8 |
PDEs
of fluid flow; Navier Stokes Equations; Boundary
Conditions Working
with the equations of motion; Non-dimensionalization
and scaling; simplifying the PDEs of fluid flow |
TUESDAY Probs: PF 1.7,1.16,1.18, 3.3, 3.5 Supplemental
problems: Kinematics THURSDAY Probs: PF 3.5
; 3.20 ; 3.22 (ignore heat transfer!) Journal
Article Review Due |
9 |
Velocity
boundary layers, diffusion of momentum and vorticity |
TUESDAY Reading (week 9): PF Ch. 4; 6.1-6.4 Supplemental
problem: -Scaling,
self-similarity and the growth of velocity boundary layers THURSDAY (3/17) IN CLASS MIDTERM |
10 |
Very
slow gravity currents and mantle plumes Flows
driven by lateral gradients in hydrostatic pressure and retarded by viscous
stresses arising through the growth of velocity gradients Problems
potentially drawn from plate tectonics; the rise and spread of mantle plumes
beneath the lithosphere; the flow of very viscous lavas; post-glacial
rebound; the growth of mountain ranges Tools:
Scaling and control volume analysis; similarity solutions |
TUESDAY Paper: Kerr and
Lister THURSDAY Home
Experiment: Spread of very viscous gravity currents |
11,12 |
Turbulent
gravity currents and plumes Flows
driven by small buoyancy sources and lateral gradients in dynamic and
hydrostatic pressure and retarded through the production of turbulent
accelerations, entrainment and mixing across density interfaces Examples
potentially drawn from the intrusion and spread of volcanic and hydrothermal
clouds; the melting of icebergs and sea ice; turbidity currents; avalanches; Tools:
Scaling and control volume analysis (integral models); possibly some linear
stability analysis |
TUESDAY Supplemental
problem on lubrication: Plume-lithosphere interaction Reading: PF: 5.2,
9.1-9.2 (9.8 is neat but optional) Papers: Turner,
1986; Linden, 1979 |
FINAL TALKS |
THURSDAY
APRIL 7, 10 am (in class) |
|
13 |
(time-permitting) Natural
convection from plane layers Problems
potentially drawn from ore genesis, solidifying magma reservoirs, growing/
melting sea ice, black smoker clouds in the deep ocean, salt domes and mantle
convection; hydrothermal circulation Tools: Scaling and
control volume analysis; stability analysis/considerations (depending on
time) |
TUESDAY Reading: TBA Home experiment:
Ice melting in scotch vs. soda THURSDAY TUESDAY Home experiment |
|
FINAL EXAM |
TBA |
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