Detection of Instantaneous Releases of Dangerous Chemical Substances at Off-Design Accidents with Explosion

Abstract

The paper considers the variant of solving the problem of detection of single instantaneous releases of dangerous chemical substances at off-design accidents at the objects intended for storing different chemical substances, such as chlorine, ammonia, petrochemical products, etc. It is assumed that the accident is accompanied by the explosion initiated by the accident at production, natural disaster or terrorist attack. The integrated safety complex of chemically dangerous objects is proposed to solve the problem. The structure of the automated system of decision support during emergency recovery at a chemically dangerous object is given. The list of parameters of emergency process with explosion, which are applied to forecast the situation at the object, is defined. The technique for defining the explosion coordinates based on the correlation of a number of parameters of emergency process is considered. The algorithm of defining the coordinates of instantaneous release of chemically dangerous substances is given. When calculating the source coordinates, it is proposed to install three automatic observation stations to register the seismic wave parameters and changes in the concentration of dangerous substances in the atmosphere. Timely decision on taking recovery measures will allow decreasing the number of possible victims among the personnel of the chemically dangerous object and population living in the regions of its location.