Ostapenko N. The development of special thermoprotective clothes for rescue works

The mathematical model of the non-stationary heat trausfering through the packet of the thermoprotective clothes has been developed. This packet can be used as the passive means of thermoprotection, which allows to determine the time of the protective action while working in special clothes. A thermoelectrical device has been developed, it guarantees a very high temperature measurement and excludes erros occuring because of non-stable and non-linear characteristics of the thermocouple. The installation and the method for temperature measurement in each layer of the material packet has been developed as well. It allows to estimate the time limit of work in special clothes. According to the developed method the studying of the thermoprotective material in the packets was carred out. The adequite mathematical models of the dependence upon the time of safe work and surrounding temperature among the different packets were found. On the basis of the carried out investigations the outfit of thermoisolating and thermoreflecting overalls for performing rescue works at close range burning oil gushers has been developed.