CE 576 Environmental Flows
Introduction
Teams: ideal situation
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Roles rotate.
Realistic expectations are agreed on and met.
Members are interdependent.
All members understand all parts of the HW.
Students learn the material as well as
teamwork.
Teams: reality
Slacker
Loose cannon
Martyr
Einstein
Ringer
Conservation of mass
Rate of change of mass = flow in – flow out
flow out
flow in
Conservation of momentum
ma   F
inertia
pressure/gravity
viscous
Viscous flow in a slot or pipe
U
Flow driven by a pressure gradient
Flow driven by a moving wall
Viscous slot flow: extensions
Groundwater
Mullarney et al. (2004)
Friends of Europe
Mud flows
Horizontal convection
Viscous slot flow: extensions
Particle settling
Swimming of organisms
Sediment transport
Turbulent flow in a slot or pipe
Transition to turbulence
“Law of the wall”
Frisch, Turbulence
Analysis of measurements
Turbulent pipe flow: extensions
Pervious
concrete
Open channel flow
Fan, Caltech
Flow in vegetated channels
Modeling of stratified jets
Unsteady viscous flow
U
Impulsively started plate
U
Oscillating plate
Unsteady viscous flow: extensions
River mixing
Transport of zebra mussels
Mixing in lakes
Turner (1973)
Internal waves
Centre for Water Research
Turbulence in stratified fluids
Modeling
Boundary layers
Boundary layers: extensions
Gravity currents and salt wedges
Jets & plumes
Biofilms
Diffusive BL in a lake
Tentative approach
i.
j.
Be a lifelong learner
Know contemporary
issues
Search
Topic
e. Formulate & solve
engr. problems
Creativity
Journal article
Equation 13a
Extension
Equation 13b
a. Apply math, science…
d. Function on teams
g. Communicate effectively