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AERODYNAMICS
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By the Same Author
A COMPLETE COURSE IN ELEMENTARY
AERODYNAMICS WITH EXPERIMENTS
AND EXAMPLES
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AERODYNAMICS
BY
N. A. V. PIERCY
D.Sc., M.Inst.C.E., M.I.Mech.E., F.R.Ae.S.
Reader in Aeronautics in the University of London
Head of the Department ofAeronautics, Queen Mary College
Member of the Association of Consulting Engineers
SECOND EDITION
AA
ML
THE ENGLISH UNIVERSITIES PRESS LTD
LONDON
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...... 1943
SECOND EDITION, REVISED AND ENLAKGED 1947
FIBST PRINTED
1937
REPRINTED
ALL RIGHTS RESERVED.
Made and Printed in Great Britain by
Hagell, Watson 6* Viney Ltd., London and Aylesbury.
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PREFACE TO SECOND EDITION
THE present edition is enlarged to provide, in the first place, an
introduction to the mathematical and experimental study of com-
pressible flow, subsonic and supersonic. This and other matters
now becoming prominent are not collected in a supplementary
section but incorporated in place as additional articles or short
chapters. Following a well-established practice, the numbering
of original articles, figures and chapters is left undisturbed as far
as possible, interpolations being distinguished by letter-suffixes.
It is hoped this procedure will ensure a minimum of inconvenience
to readers familiar with the earlier edition. To some extent the
unlettered articles indicate a first course of reading, though a modern
view of Aerodynamics requires consideration of Mach numbers
equally with Reynolds numbers almost from the outset.
Other matters now represented include various theories of thin
aerofoils and the reduction of profile drag. The brief account of
the laminar-flow wing is in general terms, but the author has drawn
for illustrations on the conformal system,
in the development of
which he has shared more particularly.
The original text is revised to bring it up to date, and also in the
following connection. Experience incidental to the use of the book
at Cambridge and London Universities isolated certain parts where
the treatment was insufficiently detailed for undergraduates ; these
are now suitably expanded.
The aim of the book remains unchanged. It does not set out to
collect and summarise the researches, test results and current
practice of the subject, but rather to provide an adequate and
educational introduction to a vast specialist literature in a form that
will be serviceable for first and higher degrees, and like purposes,
including those of the professional engineer.
N. A. V. PIERCY.
TEMPLE,
October, 1946.
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