The sedimentation rate of red blood cells (RBC's) in blood diluted with water and anticoagulant is often measured as a test for inflammatory diseases in humans. If we treat a red blood cell as a cylindrical disk with a diameter of 8.0 microns and thickness of 2.0 microns, what would be its sedimentation rate (in mm/hr) in water? The density of a red blood cell is 1110 kg/m³ and take the density and viscosity of the diluted blood plasma surrounding the cell to be 1000 kg/m³ and 0.001 Pa's respectively. Assume that the drag force is the same as for a sphere of 8.0 micron diameter for conditions where Stoke's law applies (very low Reynolds number). 2.0 μm 8.0 μm RBC V settling

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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The sedimentation rate of red blood cells (RBC's) in blood diluted
with water and anticoagulant is often measured as a test for
inflammatory diseases in humans. If we treat a red blood cell as a
cylindrical disk with a diameter of 8.0 microns and thickness of 2.0
microns, what would be its sedimentation rate (in mm/hr) in water?
The density of a red blood cell is 1110 kg/m³ and take the density
and viscosity of the diluted blood plasma surrounding the cell to be
1000 kg/m³ and 0.001 Pa.s respectively. Assume that the drag
force is the same as for a sphere of 8.0 micron diameter for
conditions where Stoke's law applies (very low Reynolds number).
2.0 μm
8.0 μm
RBC
V
settling
Transcribed Image Text:The sedimentation rate of red blood cells (RBC's) in blood diluted with water and anticoagulant is often measured as a test for inflammatory diseases in humans. If we treat a red blood cell as a cylindrical disk with a diameter of 8.0 microns and thickness of 2.0 microns, what would be its sedimentation rate (in mm/hr) in water? The density of a red blood cell is 1110 kg/m³ and take the density and viscosity of the diluted blood plasma surrounding the cell to be 1000 kg/m³ and 0.001 Pa.s respectively. Assume that the drag force is the same as for a sphere of 8.0 micron diameter for conditions where Stoke's law applies (very low Reynolds number). 2.0 μm 8.0 μm RBC V settling
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