(c) Do you support the physician's recommendation of surgery to remove the constriction or is it of only minor consequence, perhaps obscuring the true circulatory problem?
(c) Do you support the physician's recommendation of surgery to remove the constriction or is it of only minor consequence, perhaps obscuring the true circulatory problem?
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
Problem 1.1P
Related questions
Question
![One of your friends has experienced a circulatory problem. A physician has
diagnosed this as a problem in fluid mechanics and recommends corrective surgery.
You, as an expert in fluid mechanics, are called upon to assess the correctness of
the diagnosis: i.e., to provide a "second opinion". The physician believes that a
shoulder artery, which is normally required to carry a flow of 1.2 liters/minute of blood
has become pinched or constricted by an overgrowth of the adjacent bones. The
normal artery has an internal diameter of 0.4 cm at this position. The physician
believes that a 4 cm long section has had its cross sectional area reduced by a
factor of four. These dimensional data are taken from X-ray negatives and are
presumably correct. The stress-strain relationship for blood is described by the
Bingham plastic equation. However, let us make the simplifying assumption that
blood is a Newtonian fluid with density = 1050 kg/m³ and viscosity = 3.2x 10-3 Pa.s.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5be52d7-969f-48e7-912c-c8af10a8f6da%2F15aa05cd-ff42-4d9d-9d00-beec6c74170d%2F0hc8zyv_processed.png&w=3840&q=75)
Transcribed Image Text:One of your friends has experienced a circulatory problem. A physician has
diagnosed this as a problem in fluid mechanics and recommends corrective surgery.
You, as an expert in fluid mechanics, are called upon to assess the correctness of
the diagnosis: i.e., to provide a "second opinion". The physician believes that a
shoulder artery, which is normally required to carry a flow of 1.2 liters/minute of blood
has become pinched or constricted by an overgrowth of the adjacent bones. The
normal artery has an internal diameter of 0.4 cm at this position. The physician
believes that a 4 cm long section has had its cross sectional area reduced by a
factor of four. These dimensional data are taken from X-ray negatives and are
presumably correct. The stress-strain relationship for blood is described by the
Bingham plastic equation. However, let us make the simplifying assumption that
blood is a Newtonian fluid with density = 1050 kg/m³ and viscosity = 3.2x 10-3 Pa.s.
![(c) Do you support the physician's recommendation of surgery to remove the
constriction or is it of only minor consequence, perhaps obscuring the true circulatory
problem?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5be52d7-969f-48e7-912c-c8af10a8f6da%2F15aa05cd-ff42-4d9d-9d00-beec6c74170d%2Ftqvavun_processed.png&w=3840&q=75)
Transcribed Image Text:(c) Do you support the physician's recommendation of surgery to remove the
constriction or is it of only minor consequence, perhaps obscuring the true circulatory
problem?
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