The human heart delivers a blood flow of about 5000ml/min. The diameter of the blood vessel...

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The human heart delivers a blood flow of about 5000ml/min. The diameter of the blood vessel...

The human heart delivers a blood flow of about 5000ml/min. The diameter of the blood vessel leaving the heart is 1.8cm.
1. Determine the Re of the flow in this vessel.
2. Is the flow laminar or turbulent? Explain.
3. The smallest blood vessels have a diameter of 10mm and a total area about 1000 times greater than the area of the vessel leaving the heart. Determine the Re in a typical capillary.
4. By what factor does the diameter of a capillary have to increase in order to double the flow rate for a given pressure drop?

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