3-DIMENSIONAL ANALYSIS METHOD FOR SLOSHING BEHAVIOR OF FBR AND ITS APPLICATION TO UNI-VESSEL AND MULTI-VESSEL TYPE FBRS

A three-dimensional analysis method for sloshing behavior of FBR is de veloped. The method treats the coolant in a reactor vessel as a potent ial flow with moving liquid surfaces. The Laplace equation of velocity potential is solved by a boundary element method with its boundary co nditions described by a Bernoulli equation. The method is applied to a nalysis of sloshing behavior of uni- and multi-vessel type FBRs and re sults are presented. The latter consists of vessels for the core, heat exchangers and pumps, all of which are connected by piping. In the un i-vessel type, heat exchangers and pumps are placed in the reactor ves sel.