Dynamic Simulation of the Two-Phase Absorber Control System

Abstract

A simulation of the Two-Phase Absorber Control (TOPAC) System to study normal and abnormal operational transients and postulated accident conditions has been performed on the Dynamic Analysis Facility in the Reactor Control Branch at CRNL. The simulation consists of a lumped- parameter model of each major component in the system. The simulation has been used to study the consequences of:

• - a sudden rupture of a large diameter pipe connected to either the gas or liquid side of the high- or low-pressure tank,


• - failure of all water pumps,


• - failure of all compressors.

The results of the study have been used to assist in selecting para- meters that provide reliable indications of the effectiveness of the TOPAC System.