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Document IIF

Analyse du cycle de flash trilatéral et le cycle d'évaporation partielle pour la production d'électricité à partir de sources de chaleur à basse température.

Analysis of the trilateral flash cycle and the partially evaporating cycle for power production from low temperature heat sources.

Numéro : pap. ID143

Auteurs : TRAEDAL S., ROHDE D., EIKEVIK T. M.

Résumé

The Trilateral Flash Cycle (TFC) and the Partially Evaporating Cycle (PEC) have been analyzed and compared to the Organic Rankine Cycle (ORC). Three cases have been investigated. Case I uses air at 100°C, Case II air at 150°C and Case III air at 200°C as the heat source. Water at 20°C is used as the heat sink for all cases. The cycles are optimized for maximum net power production with eight different working fluids, R123, R134a, R245fa, R1234ze, butane, pentane, isopentane and propane. Detailed heat exchanger models to calculate the pressure drops and heat transfer coefficients are included in the model. The results show that the TFC has the lowest power production for all cases, and the total system size is estimated to be larger for the TFC compared to the other cycles. The PEC doesn’t show any advantage over the ORC for the cases analyzed here.

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Pages : 8 p.

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Détails

  • Titre original : Analysis of the trilateral flash cycle and the partially evaporating cycle for power production from low temperature heat sources.
  • Identifiant de la fiche : 30012465
  • Langues : Anglais
  • Source : 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
  • Date d'édition : 02/08/2014

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