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Consider the problem of oxygen transfer from the nterior lung cavity, across the lung tissue, to the net- vork of blood vessels on the opposite side. The lung issue (species B) may be approximated as a plane wall of thickness L. The inhalation process may be assumed to maintain a constant molar concentration CA(0) of oxygen (species A) in the tissue at its inner

Consider the problem of oxygen transfer from the nterior lung cavity, across the lung tissue, to the net- vork of blood vessels on the opposite side. The lung issue (species B) may be approximated as a plane wall of thickness L. The inhalation process may be assumed to maintain a constant molar concentration CA(0) of oxygen (species A) in the tissue at its inner

Introduction to Chemical Engineering Thermodynamics
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
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14.39 Consider the problem of oxygen transfer from the interior lung cavity, across the lung tissue, to the net- work of blood vessels on the opposite side. The lung tissue (species B) may be approximated as a plane wall of thickness L. The inhalation process may be assumed to maintain a constant molar concentration CA(0) of oxygen (species A) in the tissue at its inner surface (x = 0), and assimilation of oxygen by the blood may be assumed to maintain a constant molar concentration C,(L) of oxygen in the tissue at its outer surface (x= L). There is oxygen consumption in the tissue due to metabolic processes, and the reaction is zero order, with NA = -ko- Obtain expressions for the distribution of the oxygen concentration in the tis- sue and for the rate of assimilation of oxygen by the blood per unit tissue surface area.
Transcribed Image Text:14.39 Consider the problem of oxygen transfer from the interior lung cavity, across the lung tissue, to the net- work of blood vessels on the opposite side. The lung tissue (species B) may be approximated as a plane wall of thickness L. The inhalation process may be assumed to maintain a constant molar concentration CA(0) of oxygen (species A) in the tissue at its inner surface (x = 0), and assimilation of oxygen by the blood may be assumed to maintain a constant molar concentration C,(L) of oxygen in the tissue at its outer surface (x= L). There is oxygen consumption in the tissue due to metabolic processes, and the reaction is zero order, with NA = -ko- Obtain expressions for the distribution of the oxygen concentration in the tis- sue and for the rate of assimilation of oxygen by the blood per unit tissue surface area.
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