Abstract
The buffet loads occurring during a transient incursion into the buffet régime, due either to a gust or to a manoeuvre, are briefly discussed. Review of the experimental evidence suggests that although there are substantial effects of the rate of change of incidence on the value of C Lmax, there is no real evidence that buffet boundaries behave in the same way as C Lmax. Buffet loads, measured usually by strains or accelerations, are fundamentally the responses of aircraft structure to random aerodynamic forces. Using the theory of non-stationary random processes it is shown that the observed lags in buffet build-up and decay are of similar size to the delays in the response of wing structure. Examples of alleviation of buffet loads in transient buffet encounters are given.
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