Thermal Analysis of Seals in CRBRP in-Vessel Transfer Machine

摘要

An analysis of the grapple stem temperature during operation of the CRBRP (Clinch River Breeder Reactor Plant) IVTM (In-Vessel Transfer Machine) indicates that the maximum stem temperature at the stem seals will be about 300 exp 0 F if the seals are at design elevation, when the system is at dynamic thermal equilibrium. If the grapple stem is held in the lowered position for more than 10 minutes (in the case of the stem seals at the design elevation), the stem temperature at the seals will exceed 300 exp 0 F when the stem is raised.