The average speed of blood in the artery (diameter =1cm) during the resting part of heart's cycle is about 20cms−1 . Is the flow laminar flow or turbulent? Density of blood 1.05×103kgm−3 and η=2.7×10-3Pa s
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a
Laminar
b
Turbulent
c
Both
d
None
answer is A.
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Detailed Solution
V=R.ηρD R=vρDη=20×10-2×1.05×103×1×10-22.7×10-3=770<2000 Therefore fluid s laminar
The average speed of blood in the artery (diameter =1cm) during the resting part of heart's cycle is about 20cms−1 . Is the flow laminar flow or turbulent? Density of blood 1.05×103kgm−3 and η=2.7×10-3Pa s