4.5 As a first approximation, the decrease in wave amplitude due to viscous effe

Question

4.5 As a first approximation, the decrease in wave amplitude due to viscous effects can be considered to occur exponentially. For example, for a progressive wave cos (kx- ot) (a) Develop an expression corresponding to that above for the wave system resulting from a wave ofheight Hgeneratedatthe wave maker, propagating (and suffering a loss in wave height due to viscosity) to the barrier which is at x l, reflecting back (reflection coefficient 1.0) and propagating back to the wavemaker. Do not consider secondary reflections from the wavemaker. (b) Outline a laboratory procedure for determining the wave system ampli- tude envelope In (c) Show that Wavemaker Barrier

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