General Survey
Work in physiological fluid dynamics needs very close and intimate collaboration between specialists in physiological science and specialists in the dynamics of fluids. The necessary collaboration has to be preceded by a process of mutual education suffic
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Sir JAMES LIGHTHILL UNIVERSITY OF
CAMBRIDGE
PHYSIOLOGICAL FLUID MECHANICS
FREE LECTURE OCTOBER 1971
UDINE 1971
SPRINGER-VERLAG WIEN GMBH
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©
1972 by Springer-VerlagWien
Originally published by Springer-Verlag Wien New York in 1972
ISBN 978-3-211-81133-7 DOI 10.1007/978-3-7091-2963-0
ISBN 978-3-7091-2963-0 (eBook)
PREFACE
The first lecture is in the nature of a general survey of fluid flows within the human body: including the Lungs (airfLow in the airways and the speciaL characteristics of the pulmonary bLood circuLation)~ the generaL systematic circulation of the bLood~ the kidneys and the urinary tract. ProbLems of the microcircuLation~ incLuding blood fLow in the narrower capillaries~ gas exchange with the terminaL airways (alveoli)~ and exchange of gas and nutrients with peripheral tissue~ and postponed to the more speciaLised second lecture~ which describes in some detail modern views concerning peripheral resistance.
Udine~
October 1971
1.1. Introduction
Work in physiological fluid dynamics needs very close and intimate collaboration between specialists in physiological science and specialists in the dynamics of fluids. The necessary collaboration has to be preceded by a process of mutual education sufficiently prolonged to bring about on each side an adequate understanding of the other side's languageand modes of expression, as well as recognition of which are the main areas where the other discipline has developed a particularly extensive and intricate body of knowledge and skillswhich can be called upon when required. After this, real communication between the different specialism becomes possible, andean lead to effective research progress. In this lecture I shall indicate features of this collaborative research that have particulary struck me, as a specialist in fluid dynamics, during the six years in which I have been engaged in it with several colleagues among whom the leader on the physiological side was Dr Colin Caro.
The
first feature I want to emphasise is the richness of the field from the fluid dynamicist's point of wiew. This will not,
Ib~
lieve, come as a surprise to anyone with even an elementary knowledge of the complex organisation of the human body and in particular of its respiratory tract and cardiovascular system,
General Survey
6
to say nothing of other flow systems like those for transporting lymph or urine. It is easy to believe that wide experience in the very extensive and long established discipline of fluid dynamics can help someone to make a contribution to research in these fields, after he has acquired enough elementary anatomy and physiology to be able to understand the words that his colleagues are using when they put problems t
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