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Experimental Study of Fluid-Structure Interaction in a Simplified Geometry of the Human Upper Airways

Broschek, Benjamin; Golpe Sonora, Cintia Maria
Master thesis
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URI
http://hdl.handle.net/11250/2385338
Date
2015
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  • Institutt for energi og prosessteknikk [2631]
Abstract
OSAS (Obstructive Sleep Apnoe Syndrome) is a sleep related

breathing disorder caused by repetitive collapses of the pharyngeal

walls during sleep. The objective of this project

is to supply experimental data to validate CFD simulations of

fluid-structure Interaction (FSI), used in the prognosis of surgeries

for OSAS.

A testrig to investigate the FSI of flow over a rigid plate with

an attached elastic plate was designed, built and tested. Velocity

profiles (derived from pitot tube pressure measurements)

normal to the elastic plate and behind the elastic plate were

measured as air flows by, and the motion of the elastic plate was

recorded with a highspeed camera. Furthermore the recordings

were analyzed and the movement of the flexible plate was determined.

The experiments were realized with pitot-tube measurements

and high-speed camera recordings.
Publisher
NTNU

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