HW__6_Summer_08 - BEE 331 Bio-Fluid Mechanics HW # 6 Real...

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BEE 331 Bio-Fluid Mechanics HW # 6 Real Fluids Summer 08 1. The nasal canal is not round, but has an equivalent diameter of 5 mm. Nasal strips include elastic bands that pull the nostrils open when they are stuck to the outside of the nose just below the bridge. If a nasal strip increases the diameter of the nasal passage by 1 mm, calculate the ratio of the head loss of the enlarged nasal canal to the initial diameter of the nasal canal. Assume all other parameters remain constant. Although nasal flow is nearly always turbulent, a laminar assumption can be made. 2 . Hyperviscosity syndrome is characterized by blood with a viscosity greater than 0.0045 Pa·s. In order to measure the viscosity of a patient’s blood, a small probe is inserted 0.6 mm deep into the side of a 1.8 mm diameter-vessel. At the end of the probe is a sensor that detects velocity and pressure drop per unit length of the blood and it reads 45 m/s and 2000 kPa/m, respectively. What is the viscosity of the blood? 3
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This note was uploaded on 03/29/2009 for the course BEE 3310 taught by Professor Gebremedhin,k. during the Summer '07 term at Cornell University (Engineering School).

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HW__6_Summer_08 - BEE 331 Bio-Fluid Mechanics HW # 6 Real...

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