Bonjour,
J’aimerais savoir comment faire une expérimentation sur le cycle de Rankine ,pour l’étude de l’énergie thermique des mers. Quelle matériel me faudrait et si pouvoir faire une mini expérimentation. Si vous avez une liste de matériel et comment faire la manipulation. Tout information serait une grande aide
Merci et Bonne journée
Ça paraît ambitieux comme manip. Quelle température pour la source chaude ? 25-30 °C Même question pour la froide ? 0-5 °C
Si on est à ces niveaux, il va falloir un fluide frigo (r134a par exemple) comme fluide de travail du Rankine. Problème, il est interdit d’acheter et manipuler des fluides frigos sans habilitation.
2e difficulté, le dimensionnement, notamment pour la partie détente. Le rendement va être faible et sans organe de détente (scroll ou autre) de super qualité il risque de ne pas se passer grand chose.
L’option simulation numérique n’est pas possible ?
Ah, je vois où tu veux en venir, mais ouais, c’est franchement ambitieux comme projet. Avec ces températures, surtout 0-5 °C pour la source froide, on est effectivement sur des conditions qui nécessitent un fluide comme le R134a pour avoir un cycle Rankine viable. Mais comme tu l’as mentionné, la manipulation de ces fluides, c’est un sacré frein avec la réglementation qui demande une habilitation spécifique.
Pour le dimensionnement, c’est là que ça se corse vraiment. La détente est le cœur du rendement dans ce type de système, et si le dispositif (scroll, expanseur, etc.) n’est pas ultra-optimisé, les pertes énergétiques vont tuer le rendement. On parle potentiellement de beaucoup d’efforts pour peu de résultats si cette partie n’est pas à la hauteur.Quant à la simulation numérique, c’est clairement une bonne alternative pour voir si ça vaut le coup d’aller plus loin. Tu pourrais modéliser le cycle avec des outils comme EES (Engineering Equation Solver) ou même MATLAB. Ça te permettrait de tester différents fluides et scénarios thermodynamiques sans investir dans du matos directement.
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Wow, that sounds incredibly complex! Handling refrigerant without the proper certifications is definitely a no-go. I’ve dabbled in DIY projects before, and the devil is always in the details. I think simulation is a great call. It might save a lot of headache. If you want something less stressful, maybe try building something simple in a game like Geometry Dash first. It’s a great way to learn physics and problem-solving without the risk of explosions! Good luck!