Contents Page

Introduction: Philip J. Morris .................................................................................. i

Geoffrey M. Lilley: A very brief biographyP. J. Morris ............................................................................................ 1

A tribute to Professor Geoffrey Michael Lilley on his ninetieth birthday

R. Westley ............................................................................................ 15

Relation between the generalized acoustic analogy and Lilley's contributions to aeroacoustics

M. E. Goldstein: .............................................................................. 29

Solving the Lilley equation with quadrupole and dipole jet noise sources.

B. J. Tester and C. L. Morfey ................................................ 47

Modelling of sound generation by turbulent reacting flowsC. Bailly, C. Bogey and S. Candel. .................................... 89

Hot jets and sources of jet noiseA. Khavaran, D. C. Kenzakowski and A. F. Mielke-Fagan. ............................................................ 119

Advances inAeroacousticsin honor of Professor Geoffrey M. Lilley

Wave packet models for large-Scale mixing noiseR. Reba, S. Narayanan and T. Colonius. ........................ 161

Jet noise measurements: Past and presentM. Harper-Bourne. ........................................................................ 187

Distributions of noise sources in heated and cold jets: Are they different?

K. Viswanathan. ................................................................................ 217

On the scaling of small, heat simulated jet noise measurements to moderate and full size exhaust jets

D. K. McLaughlin, J. E. Bridges and C.-W. Kuo. .................................................................................. 255

Effects of geometric details on slat noise generation and propagation

M. R. Khorrami and D. P. Lockard..................................... 283

Plasma actuators for noise controlX. Huang and X. Zhang. ............................................................ 307