FIELD: mechanical engineering; engines.;SUBSTANCE: invention relates to method of obtaining kinetic energy by conversion of potential energy. According to proposed method of conversion of potential energy of chemical substances into kinetic energy of gas flow and then into mechanical work, moving high-temperature gas flow is formed. Said high-temperature gas flow converted into mechanical work is formed as a result of thermal or thermocatalytic decomposition of nitrogen monoxide (N2O) in reactor with production of mixture of nitrogen (N2) and oxygen (O2).;EFFECT: provision of moving high-temperature gas flow with transformed into kinetic energy with no adverse effect on environment.
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