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This paper sets down basic information on the behaviour of bubble breakwaters, drawn from analytical and experimental studies carried out by the author and others in recent years. Design formulae are given for surface velocity and thickness of the horizontal current produced by a bubble curtain, and for the quantity of free air required to suppress waves of known length and height. The effect of an intermittent air supply is examined. It is concluded that the quantity of air required is astronomical and the practical difficulties immense.
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P.S. Bulson (1968) studied this question.