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Modélisation des performances d’un moteur Ericsson à cycle de joule ouvert

Abstract : The performances of an open Joule cycle Ericsson engine associated to a biomass micro-CHP unit are studied with a dynamic model impl emented with the bond graph formalis m. The dynamic phenomena of the expansion cylinder (pressure drops across the valves, th ermal losses through the cylinder wall, mechanical energy exchanges through the crank and connecting rod system, m echanical friction) are re presented. The expansion cycle and the indicated mean pressure of the Ericsson engine are strongly modified when considering the dynamic effects in the expansion cylinder, in particular the following influent parameters: sinusoidal valve lift, intake air temperature and pressure of the expansion cylinder, timing of intake and exhaust valve closing, rotational speed, mechanical friction losses.
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https://hal-uphf.archives-ouvertes.fr/hal-03627090
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Submitted on : Friday, April 1, 2022 - 9:21:21 AM
Last modification on : Saturday, April 2, 2022 - 3:34:15 AM

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  • HAL Id : hal-03627090, version 1

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Marie Creyx, Eric Delacourt, Marc Lippert, Céline Morin, Bernard Desmet. Modélisation des performances d’un moteur Ericsson à cycle de joule ouvert. Revista Termotehnica, Editura Agir, 2014, 1, pp.64-70. ⟨hal-03627090⟩

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