42-101
Intro to BME (Przybycien)
Spring
2005
PROBLEM
SET No. 9
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Posted: |
4/19/05 |
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Due: |
4/22/05 in class Note: do interim team evaluation
for team C on Monday, 25 April. |
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1. |
Biofluid Mechanics – Viscous Flow. Circulation of a dog. Aorta: 1.0 cm in diameter, 40 cm in length. Large arteries: ~40 in number, 0.3 cm in average diameter, 20 cm in average length, 23 cm/s average velocity in large arteries. Blood: viscosity at high shear rates is ~3.0 cP; density is 1.057 g/cm3. a. What is the total volumetric flow rate, in cm3/s, of blood in a dog? b. What is the pressure drop, in mmHg, across the length of a large artery in a dog? c. What is the average shear rate at the blood vessel wall, in 1/s, of a large artery in a dog? d. Determine the average velocity, in cm/s, of the blood in the aorta. a. What is a typical value for the Reynolds number in the aorta of
a dog? Is the flow laminar or
turbulent? |
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2. |
Biomaterials. MMD problem 12.2 |
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3. |
Biomaterials. MMD problem 12.15. [Hint – a viscous flow problem] |
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Updated on 4/19/05 by TMP