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Potentiel de réduction de la charge en ammoniac dans les systèmes à recirculation : calculs.

Ammonia charge reduction potential in recirculating systems – calculations.

Numéro : pap. n. 0005

Auteurs : KRISTOFERSSON J., VESTERGAARD N. P., SKOVRUP M., et al.

Résumé

This paper focuses on the effect of changing the circulation rate for industrial evaporators and presents calculation method for estimating the ammonia liquid hold-up in the evaporator. This paper is the first part in a series of two. The second paper [10] applies the results of this paper to evaluate the influence of controlling the circulation rate on selected industrial refrigeration systems for a distributed cold storage. To make accurate calculations of the charge of such a system in the future, a new calculation method must be developed. Laboratory measurements have been conducted on three types of evaporators to measure the capacity and liquid hold-up for various circulating rates. The measurements combined with simulations and current design rules for non-controlled recirculating systems are used to create new methods of calculating the refrigerant charge and find the possible reduction in the circulation rate without affecting the capacity.

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Format PDF

Pages : 8

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    20 €

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    Gratuit

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Détails

  • Titre original : Ammonia charge reduction potential in recirculating systems – calculations.
  • Identifiant de la fiche : 30021635
  • Langues : Anglais
  • Source : 7th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, May 11-13, 2017.
  • Date d'édition : 11/05/2017
  • DOI : http://dx.doi.org/10.18462/iir.nh3-co2.2017.0005
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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