The density of probability of the coordinate of the elementary sorption act and power of exothermic heat sources in the regenerative cartridge of isolating respirator
DOI:
https://doi.org/10.33408/2519-237X.2019.3-2.155Keywords:
respirator, regenerative cartridge, sorption dynamics, random process, working layer of the heat modeAbstract
Purpose. The article is devoted to the search and justification of ways to improve the efficiency of the protective resource of breathing apparatus on chemically bound oxygen.
Methods. Mathematical and computer simulation of the working process of the insulating breathing apparatus on chemically bound oxygen using the data of previous experimental studies.
Findings. The dependences of the time of the initial and central moments of the random coordinate of the elementary act of chemisorption of carbon dioxide in the regenerative cartridge of the respiratory apparatus on chemically bound oxygen are found. The dependence of the probability density of the coordinate of the elementary act of chemisorption on the time is established and its proportionality of the power of internal sources of exothermic heat is shown.
Application field of research. The obtained results about the law of reduction of the diameter of the oxygen-containing granules of the product in the direction of filtration of the exhaled air can be used in the creation of new and improvement of existing self-contained breathing apparatus for chemically bound oxygen.
Conclusions. The increase in diameter of the oxygen-containing granules of the product at the inlet to the regenerative cartridge prevents the sintering of the most loaded front layers of the chemical adsor-bent. Decreasing pellet diameter enclosing layers of oxygen-containing product reduces the dead layer of the chemical adsorbent, unused to the critical point of breakthrough of carbon dioxide gas through the regenerative cartridge.
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