Model
Studies of Flow in Stenotic Coronary Arteries
Dr.
Ralph S. Budwig, Dr. Carla Egelhoff, Mr. Jonathan Foster,
Mr.
Jeff Daniels, Mr. Byron Hansen
FLOW
VISUALIZATION
CORONARY
STENOSIS MODELS
Video clips
and Simulations viewed through Real Player media player.
Click on
image for free download of Real Player.
Low Flow - 90% Symmetrical
video clip
High Flow - 90% Symmetrical
video clip
Low Flow - 90% Eccentric
video clip
High Flow - 90% Eccentric
video clip
Steady Flow - 90% Eccentric
video clip
FLOW
IMAGES FROM EXPERIMENTATION
Low Range
Wave Form
90%
Axisymmetrical Model
260º
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Low Range Wave Form
90% Eccentric Model
260º
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High Range Wave Form
90% Axisymmetrical Model
200º
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260º
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340º
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High Range Wave Form
90% Eccentric Model
260º
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340º
click on image to enlarge
FLOW
IMAGES FROM NUMERICAL SIMULATION RESULTS
Eccentric
Stenosis - Maximum Recirculation Zone (shown in red)
Flow Simulation
Symmetric
Stenosis - Jet Instability
Flow Simulation