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speed tunnels, which will not be itemized here. The last few pages in the chapter are devoted to descriptions of some existing wind tunnels built for general or special purposes. The reviewer has thought it desirable to discuss A Long-needed Work on this important chapter in some detail, since it shows in miniature the scope of the book as a Wind Tunnels whole. The third chapter deals with methods of visuali zation of fluid motion, and the fourth with meas Wind-Tunnel Technique. By R. C. Pankhurst and There is a complete summary of aerodynamical urement of fluid velocity. The fifth chapter is con D . W. Holder. (Pitman. 57S. 6d.) coefficients, including, for example, those used in cerned with wind-tunnel balances, the sixth with The present reviewer was privileged to see the propeller and stability theory; the fundamental the measurement of forces from pressure dis manuscript of this book some three or four years concepts of thermodynamics as appropriate to tributions, and the seventh chapter discusses before its publication. It is a pleasure, therefore, compressible flow are given, and are followed by manometers. Chapter 8, again a long one, is a summary of the important formulae. to record that in its final form the book satisfies headed 'Tunnel Interference Effects'. The re very fully the appetite whetted by the earlier read Chapter 2 deals with wind-tunnel design. With viewer was interested to learn how much has been ing. It is a large volume, containing over seven a little expansion, this might well be issued as a done in this field since the appearance of Glauert's hundred pages, and its cost (57s. 6d.) is high even separate textbook on the subject. It contains monograph on the subject. This chapter, almost for these days; nevertheless, it can be whole rather more than one hundred pages, and con more than any other, shows how completely the heartedly recommended to all who are interested cludes with a bibliography of eighty-four refer authors are masters of their subject. Sixty-seven in aerodynamics and in the application of aero ences, some of them multiple references. It is per references are given at the end. There follows a dynamics to aircraft design. Indeed, recommen haps remarkable, especially nowadays when enor useful short chapter on reduction of observations, dation is perhaps too weak a term : the reviewer re mous sums of money are spent on the construc and then comes the longest chapter in the book: gards this as a book which must be acquired by all tion of wind tunnels, that there has not previously 'Special Measurements'. Here the principal sub aeronautical engineers. Its title, Wind-Tunnel appeared any complete account of the accumu jects dealt with are the boundary layer, turbulence Technique, represents only the main central theme lated experience in this field, or of the principles measurements, stability and control, aeroelasti of the book; but since there is virtually no field involved; so that the aerodynamicist charged city (this is almost entirely concerned with flutter), of aerodynamics, or indeed of related subjects with the design of a wind tunnel has had perforce and propeller tests. This is an extremely useful such as aeroelasticity, which is not nowadays sub to refer to technical papers which have appeared chapter; it concludes with no fewer than 172 jected to scrutiny by means of wind-tunnel experi over many years, and which normally only relate references. The last two chapters are concerned ment, any volume on this subject which pretends to one particular aspect of wind-tunnel design. In with experimental analogies and with comments to completeness must survey practically the whole this chapter, all this material is gathered together on models and rigging. field of fluid dynamics. The volume under review and is set out in condensed form, with sufficient There are four useful appendices; in the last of very successfully compresses into one small com additional material to weld the whole into a work these the authors have gone to the trouble of set pass just so much of every important branch of of interest and importance. After a brief discus ting out, among other items of miscellaneous in aerodynamics as is necessary for an understand sion of the purposes and groupings of tunnels formation, a date index for the Reports and ing of the application of wind-tunnel techniques and their general design features, there is a useful Memoranda of the A.R.C. and of the Technical to that branch of the subject. discussion of power requirements and of power Reports of the N.A.C.A. economy by various methods; then follows a full The book will therefore be used by many of its To sum up, the authors are to be warmly con discussion of the diffuser, in quite general terms. owners rather as a dictionary of applied aero gratulated on having produced a most impor (It includes, for example, a sketch of an applica dynamics, within which they can find, for example tant book which fills more than adequately a tion of the Oswatitsch inclined shock diffuser to (to name but a very few of the subjects covered), hitherto serious gap in aeronautical literature: a supersonic wind-tunnel design.) Under the sub a condensed treatment of boundary layer theory, book which gives abundant evidence of the wide heading 'Aerodynamic Design' are included such of compressible flow, of interference effects, or of knowledge of the authors and of the immense topics as irregularities of flow and effects of turbu manometers. In each case, the condensed account amount of study and research which must have lence and of methods of reducing turbulence; is supplemented at the end of the chapter by a re gone into its writing: a book which, moreover, is screens, contractions and honeycombs all being markably full bibliography. The authors of the remarkably easy to read. It is not entirely without discussed here. Contraction cone design, freely book have set out their material in a form which fault; the reviewer would have liked some re rotating windmills, straighteners and corner cas is very readily assimilated and which is never arrangement of certain parts (although this is, of cades follow in logical order, and the calculations tiring to read. course, very largely a matter of the preference of necessary to allow for the thickening of the boun The first chapter of the book is headed 'Intro the moment); he has also noted one or two small dary layer in the working section are given. Fan ductory' and does not call for special comment; it errors of detail and of emphasis; but these are design, boundary layer control, and Taylor's contains some useful diagrams and charts, re such slight blemishes that it would be quite suggested use of gauze screens for expansion cords and defines the dimensionless numbers unfair to particularize them. round a corner are touched on. Attention is then which are of importance in model experiments, The book is excellently printed, and the numer turned to the topics special to the design of high and gives a number of definitions and symbols. ous illustrations are well reproduced. A. R. C . Moteurs & Reaction. G. Lavoisier. Paper bound. 236 H. Drcscher. (Mitteilunge No. 6, DM. 9.) Paper BOOKS RECEIVED pages, illustrated. [Technique and Vulgarization, bound. 71 pp. illustrated. 5 Rue Sophie-Germain, Paris (14e). Frs. 1,340] All books received from Publishers are listed under Die Verteilung der Durchflussmerge in einem ebencn Weight-Strength Analysis of Aircraft Structures. F. R. this heading. Extended reviews of a selection appear Vcrzweigungssystem. H. Reichardt and W. Toll- Shanley. 394 pages, illustrated. [McGraw-Hill. later. Inclusion in this list, therefore, neither precludes, mien. (Mitteilunge No. 7. DM.5.) Paper bound. 12s. 6d.] nor implies, in any particular instance, further notice. 48 pp. illustrated. [Max-Planck-Institut fur Strom- ungsforschung, Gottingen.] Mechanical World Electrical Year Book, 1953. 357 Airborne Radio Equipment Symposium. Paper bound. pages, illustrated. [Emmott & Co. Ltd., 31 King Facsimile type. 300 pp., illustrated. [I.A.T.A. Clear The Shape of Wings to Come. D. Keith-Lucas. 38 pp. Street West, Manchester, 3. 35.] illustrated. [Short Brothers and Harland Ltd., ing House, 30 Curzon Street, W.l. 255.] Fatigue and Fracture of Metals. A symposium. 312 Belfast. Free.] Lighting in Industry. (Electricity and Productivity pages, illustrated. [John Wiley & Sons, New York Record of the 1952 Annual Convention of the British Series No. 2.) 154 pp., illustrated. [British Elec (Chapman & Hall, London.) 485.] Wood Preserving Association. Paper bound. 192 pp. trical Development Association, 2 Savoy Hill, Proceedings of the Society for Experimental Stress illustrated. [British Wood Preserving Association, W.C.2. 9s.] Analysis. Vol. X, No. 1. 245 pages, illustrated. 6 Southampton Place, WC1. 85. 6d.] [Society for Experimental Stress Analysis, Central Mechanical World Year Book, 1953. 360 pp., illus Structural Principles and Data. W. Tye, J. H. Argyris Square Station, P.O. Box 168, Cambridge, 39, trated. [Emmott & Co. Ltd., 31 King Street West, and P. C. Dunne. 322 pp. illustrated. [Pitman. 455.) Mass., U.S.A. $6.] Manchester, 3. 3s. 6d.] A Survey of Production and Industrial Engineering Elasticity in Engineering. E. E. Seehler. 419 pp. illus Instrument Engineering. Vol. I. C. S. Draper, W. Organization and Practice in the U.S.A. and trated. [John Wiley & Sons, New York: Chapman McKay and S. Lees. 269 pp., illustrated. [McGraw- Canada. T. G. Elliott. [H.M. Stationery Office. 15.] & Hall, London. 685.] Hill. 51 s.] Painting Practice for Aluminium. (A.D.A. Information Lubricants and Lubrication. Various Authors. (Se The Fire Risks of Aircraft Factories. W. T. Good. Bulletin No. 20.) Paper bound, 19 pp. [The Alumi lected Government Research Reports. Vol. 11.) Paper bound. 78 pages. [The Chartered Insurance nium Development Association, 33 Grosvenor 234 pp. illustrated. [H.M. Stationery Office. 355.] Institute, 20 Aldermanbury, E.C.2. 2.5.] Street, Wl. 2s.] Strength and Testing of Materials. Parts I and II. (Selected Government Research Reports, Vol. 6.) The Wire Reference Year Book and Directory. Untersuchungcn an cincm symmetrischen Tragfliigcl 260 pp. and 244 pp. respectively. [H.M. Stationery 1952-53 Edition. 192 pages. [Alfred Hinde Ltd., mit spaltlos angeschlossenem Ruder bei raschen Office. 555. each part.] Clarence Street Wolverhampton. 25s.] Aenderungcn des Ruderausschlags (ebcneStromung). March 1953
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Mar 1, 1953
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