| 摘要 |
According to this method, a gas medium is selected as a working medium for which the isobaric curves represented in a temperature-enthalpy diagram to the right of the junction line joining the summits of successive isenthalpy curves (line VS-I), are substantially directed downwardly to the right hand side. A substantially constant gas quantity is repetitively exposed to a dextrogyre cycle, from a starting state (point 1) at an increased pressure and substantially at room temperature. The working medium is first expanded (point 1 to point 2) to lower its temperature and to obtain a work, and then it is exposed to a pressure increase (point 2 to point 3) and it is finally brought to the starting state (point 1) by an environment heat flow.
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