Sediment Dynamics and Boundary Layer Physics

1430-1520 MTWR

425 OSB

If you are looking for old course notes, go here

Jeff Parsons

email: parsons@ocean.washington.edu

phone: (206) 221-6627

office: 111A MSB

web: http://www.ocean.washington.edu/people/faculty/parsons/542-05.htm

COURSE CONTENT:

1. Boundary Layer Mechanics

A. Approximations to the N-S Equations

B. Open-Channel Flow

C. Boundary Layer Theory

D. Boundary Layer Turbulence

2. Discrete Particle Mechanics

A. Sediment Characterization

B. Sedimentation

C. Fluid-Particle Equations of Motion (Jan 31)

D. Review (Feb 2)

E. EXAM #1 (Feb 3)

3. Bulk Sediment Transport

A. Initiation of Motion (Feb 7)

B. LAB EXERCISE: INITIATION OF MOTION (Feb 8)

C. Entrainment (Feb 9)

D. Suspended Load (Feb 14)

E. Bedload (Feb 15)

F. Gravel Transport (Feb 16)

G. Bedforms (Feb 22) – Pictures

H. Meandering (Feb 23)

I. Total Load (Feb 24)

4. Sediment Gravity Flows

A. Debris Flows (Mar 1,2)

B. Turbidity Currents (Mar 3,7)

C. Review (Mar 9)

D. EXAM #2 (Mar 10)

Papers to be covered:

Jan 13 – Nezu, I. and Azuma, R. 2004. Turbulence characteristics and interaction between particles and fluid in particle-laden open channel flows. Journal of Hydraulic Engineering, vol. 130, p. 988-1001. pdf Tim & Liz

Jan 25 – Jimenez JA, Madsen OS A simple formula to estimate settling velocity of natural sediments. JOURNAL OF WATERWAY PORT COASTAL AND OCEAN ENGINEERING-ASCE 129 (2): 70-78 MAR-APR 2003 pdf Gus & Beth

Feb 1 - Ferry J, Balachandar S A fast Eulerian method for disperse two-phase flow. INTERNATIONAL JOURNAL OF MULTIPHASE FLOW 27 (7): 1199-1226 JUL 2001 pdf Joe & Kim

Feb 10 – Nino Y, Lopez F, Garcia M Threshold for particle entrainment into suspension. SEDIMENTOLOGY 50 (2): 247-263 APR 2003 pdf Scott & Maria

Feb 17 – Barry, Jeffrey J.; Buffington, John M.; King, John G. 2004. A general power equation for predicting bedload transport rates in gravel bed rivers Water Resources Research, vol. 40, no. 10, W10401. pdf Cameron

Feb 28 – Syvitski JPM, Peckham SD, Hilberman R, et al. Predicting the terrestrial flux of sediment to the global ocean: a planetary perspective. SEDIMENTARY GEOLOGY 162 (1-2): 5-24 NOV 1 2003 pdf Mo

Mar 8 – Hungr, O. and Evans, S. G. 2004. Entrainment of debris in rock avalanches: An analysis of a long run-out mechanism. GSA Bulletin, vol. 116, p. 1240-1252. pdf Rachel. Baas JH Conditions for formation of massive turbiditic sandstones by primary depositional processes. SEDIMENTARY GEOLOGY 166 (3-4): 293-310 APR 15 2004 pdf Mike

Papers discussed in past years

GRADING:

40% 4 Homework sets (10% each)

Homework 1 – Additional data

Homework 2 – Due Feb 10

Homework 3 – Additional information – Due Feb 25

Homework 4 – Due Mar 7

10% “Controversial” term paper – Topic examples – Due Mar 17

40% 2 Exams (20% each)

Exam 1 – Sample problems

Exam 2 – Sample problems

10% Class participation

Late policy: 2% docked every business-day (a day ends at 6pm) past the due date.

Useful TEXTs:

Batchelor, G. K. 1968. Fluid Dynamics. Cambridge University Press.

Fischer, H. B. et al. 1979. Mixing in Inland and Coastal Waters. Academic Press.

Lamb, H. 1932. Hydrodynamics. Dover Publications.

Julien P. K. 1995. Erosion and Sedimentation. Cambridge University Press.

Turner, J. S. 1972. Buoyancy Effects in Fluids. Cambridge University Press.

Graf, W. H. 1971. Hydraulics of Sediment Transport. McGraw-Hill.