A New Experimental Method for the Nonlinear Modal Parameter Identification of a Pressurized Water Reactor Fuel Assembly

<div>Beginning of the slippage time for the spacer grids: 20 mm test. (a) In air. (b) In still water.</div>

Science and Technology of Nuclear Installations

Figure 4: A New Experimental Method for the Nonlinear Modal Parameter Identification of a Pressurized Water Reactor Fuel Assembly 