A description is presented of an experimental program to determine the pressure cross-spectral density distribution on a cylindrical body resulting from a hot rocket exhaust. It is shown how the pressure cross-spectral density can be applied to determine the response of a continuous linear structure. The main effort is to describe the basic objectives of the experimental program, the experimental facilities, the data-acquisition system, and calibration procedures. In regions on the cylindrical body where the random pressure field can be considered homogeneous in space, a simplified model of the longitudinal pressure cross spectral density distribution is presented.
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