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A study on the operating parameter optimization of solid desiccant heat pump based on a real-time algorithm .

Étude de l’optimisation des paramètres de fonctionnement d’une pompe à chaleur à déshydratant solide basée sur un algorithme en temps réel.

Numéro : pap. n. 1075

Auteurs : HUA L., GE T., WANG R.

Résumé

Solid desiccant heat pump (SDHP) is a promising household air-conditioning. As mentioned in former publication, it features periodic switchover and weakly-coupled temperature and humidity control. The switchover period is typically no more than ten minutes and, to prevent the transient shock right after the switchover, the refrigerant flow rate should also be altered regularly. Furthermore, the sensible and latent heat handling capacity of the device has to be balanced and real-time self-tuning is imperative to adapt the system to changing outdoor air condition and indoor requirement. That is, system control strategies of the SDHP are more complicated than normal vapor compression (VC) system. In this paper, a real-time control algorithm is proposed to optimize the system operating parameters, such as switchover period, compressor frequency and valve opening. According to calculation, real system incorporated with the control algorithm can achieve higher COP and provides air of higher comfort level and stability.

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Pages : 9

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    20 €

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    Gratuit

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Détails

  • Titre original : A study on the operating parameter optimization of solid desiccant heat pump based on a real-time algorithm .
  • Identifiant de la fiche : 30026064
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.1075

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