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Procédure de calcul pour simuler le processus de décrochage des compresseurs alternatifs.

Computational procedure for simulating stall process of reciprocating compressors.

Auteurs : POSTINGEL FALCETTI E., BIGONHA TIBIRICA C., CABEZAS-GÓMEZ L.

Type d'article : Article de la RIF

Résumé

This article presents in detail a computational procedure for simulating the stall process of reciprocating compressor. The focus of the work is the calculation of the compressor stall limits from the available torque curves of electrical motor. The procedure is composed by an algorithm to compute the compressor stall using a developed compressor simulation model. The compressor model considers the simulation of flow and mechanical interactions in the compressor components and was implemented in the GT-Power platform, a system simulation software. The compressor simulation results for steady state operation were compared with experimental data, indicating that the simulation model represented very well the overall compressor behavior, with a maximum relative error of 1.0% for the compressor global performance. The results for the compressor stall obtained by the proposed computational procedure agreed with the experimental stall tests, with a maximum average relative error of about 6.7%. The computed stall curve had similar trends in relation to experimental results. Performed parametric analyses considering statistical rank correlations indicated that the electric motor tension and motor temperature were the most influencing parameters on compressor stall. The obtained results show that the developed procedure could be an efficient tool for compressor design.

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Format PDF

Pages : 89-99

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    20 €

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Détails

  • Titre original : Computational procedure for simulating stall process of reciprocating compressors.
  • Identifiant de la fiche : 30030835
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 146
  • Date d'édition : 02/2023
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2022.10.002

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