The Aeronautical Journal: Volume 114 -

AER volume 114 issue 1153 Cover and Back matter
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30 March 2016, pp. b1-b3
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AER volume 114 issue 1161 Cover and Front matter
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The effect of gravity on a shaped sonic boom
T. Cain
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03 February 2016, pp. 651-656
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Previously it was demonstrated that gravity is directly responsible for the attenuation of sonic booms as they propagate towards the ground, while the gradient in acoustic impedance has no effect on the wave strength. This was a significant departure from the well accepted acoustic theory and naturally led to questions concerning comparison with experiment and the implications for low boom design. This paper presents a comparison of measured ground signatures of the Northrup-Grumman Shaped Sonic Boom Demonstrator (SSBD) with a method of characteristics extrapolation from a close proximity flight measurement of static pressure under the aircraft. Comparison is also made with Whitham’s theory, extended to include gravity and the ambient temperature variation, as presented in the previous paper. The calculations are both in good agreement with the experimental ground signature. The usual equations that define the acoustic propagation (gravitational body force neglected) are transformed so that the computational algorithms of the extended Whitham theory are applicable. The transformation simplifies the acoustic model and reveals the conditions under which the errors in its prediction will be large. At the Mach number of 1.4, corresponding to the SSBD flight, the error is relatively small and the acoustic prediction is also in close agreement with the ground signature.

Nonlinear Vibrations and Stability of Shells and Plates M. Amabili Cambridge University Press, The Edinburgh Building, Shaftesbury Road, Cambridge, CB2 2RU, UK, 2008. 374pp. £65. ISBN 978- 0-521-88329-0.
S. Thompson
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30 March 2016, p. 796
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Fundamentals of Kalman Filtering: a Practical Approach – Third edition. Progress in Aeronautics and Astronautics series Vol. 232 P. Zarchan and H. Musoff American Institute of Aeronautics and Astronautics, 1801 Alexander Bell Drive, Suite 500, Reston, VA 20191-4344, USA. 2009. Distributed by Transatlantic Publishers Group, Unit 242, 235 Earls Court Road, London, SW5 9FE, UK. (Tel: 020-7373 2515; e-mail:- [email protected]). 853pp. Illustrated. £100. [10% discount available to RAeS members on request]. ISBN 978-1-60086-718-7.
Geoff Henderson
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30 March 2016, pp. 121-122
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Mechanics of Flight — Second edition W. F. Phillips John Wiley and Sons, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK. 2010. 1138pp. Illustrated. £100. ISBN 978-0-470-53975-0. - Flight Mechanics Modeling and Analysis J. R. Raol and J. Singh CRC Press, 2 Park Square, Milton Park; Abingdon, Oxon, OX14 4RN, UK. 2009. 416pp. Illustrated. £95. ISBN 978-1-4200-6753-8.
Mike Stanberry
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30 March 2016, p. 338
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AER volume 114 issue 1156 Cover and Back matter
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03 February 2016, pp. b1-b3
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Aircraft Propulsion and Gas Turbine Engines A. F. El-Sayed CRC Press, Taylor and Francis Group, 2 Park Square, Milton Park, Abingdon, Oxon, OX14 4RN, UK. 2008. 876pp. Illustrated. £49.99. ISBN 0-8493-9196-2.
Ian Wilson
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30 March 2016, pp. 520-521
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AER volume 114 issue 1157 Cover and Back matter
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30 March 2016, pp. b1-b4
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AER volume 116 issue 1180 Cover and Back matter
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30 March 2016, p. b1
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AER volume 114 issue 1151 Cover and Front matter
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03 February 2016, pp. f1-f3
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AER volume 114 issue 1154 Cover and Back matter
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30 March 2016, pp. b1-b7
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AER volume 114 issue 1162 Cover and Front matter
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03 February 2016, pp. f1-f3
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AER volume 114 issue 1160 Cover and Front matter
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03 February 2016, p. f1
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Computational Optimal Control: Tools and Practice S. Subcan and R. Zbikowski John Wiley and Sons, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK. 2009. 182pp. Illustrated. £85. ISBN 978-0-470-71440-9.
David H. White
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30 March 2016, p. 521
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Artech House, 46 Gillingham Street, London, SW1V 1AH, UK. 2008. 367pp. + diskette. Illustrated. £75. ISBN 978-1-59693-347-7
H.D. Griffiths
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30 March 2016, p. 122
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AER volume 114 issue 1151 Cover and Back matter
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30 March 2016, pp. b1-b4
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Performance in Practice: Phantom versus MiG-21 — How to do split-S in MiG-21 within 3,000ft: Unexploited low speed maneuverability P. Pavlovic and N. Pavlovic Naucna KMD, Blegrade, Serbia. 2009. (Contact/ordere-mail: [email protected]). 103pp. Illustrated. €5 plus postage/packing. ISBN 978-86-6021-017-5.
Dick Poole
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30 March 2016, p. 339
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Volume 114 - January 2010

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AER volume 114 issue 1153 Cover and Back matter

Front matter

AER volume 114 issue 1161 Cover and Front matter

AER volume 114 issue 1154 Cover and Front matter

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AER volume 114 issue 1159 Cover and Back matter

Research Article

The effect of gravity on a shaped sonic boom

Book Reviews

Nonlinear Vibrations and Stability of Shells and Plates M. Amabili Cambridge University Press, The Edinburgh Building, Shaftesbury Road, Cambridge, CB2 2RU, UK, 2008. 374pp. £65. ISBN 978- 0-521-88329-0.

Back matter

AER volume 114 issue 1156 Cover and Back matter

Book Reviews

Aircraft Propulsion and Gas Turbine Engines A. F. El-Sayed CRC Press, Taylor and Francis Group, 2 Park Square, Milton Park, Abingdon, Oxon, OX14 4RN, UK. 2008. 876pp. Illustrated. £49.99. ISBN 0-8493-9196-2.

Back matter

AER volume 114 issue 1157 Cover and Back matter

AER volume 116 issue 1180 Cover and Back matter

Front matter

AER volume 114 issue 1151 Cover and Front matter

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AER volume 114 issue 1154 Cover and Back matter

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AER volume 114 issue 1162 Cover and Front matter

AER volume 114 issue 1160 Cover and Front matter

Book Reviews

Computational Optimal Control: Tools and Practice S. Subcan and R. Zbikowski John Wiley and Sons, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK. 2009. 182pp. Illustrated. £85. ISBN 978-0-470-71440-9.

Artech House, 46 Gillingham Street, London, SW1V 1AH, UK. 2008. 367pp. + diskette. Illustrated. £75. ISBN 978-1-59693-347-7

Back matter

AER volume 114 issue 1151 Cover and Back matter

Book Reviews

The Aeronautical Journal

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Volume 114 - January 2010

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Book Reviews

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Book Reviews

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Book Reviews

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Book Reviews