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Méthode d’optimisation inverse avec contraintes améliorées pour les tours de refroidissement à convection mécanique.

An improved constrained inverse optimization method for mechanical draft cooling towers.

Auteurs : SINGH K., DAS R.

Type d'article : Article

Résumé

In this work, a constrained multiple parameter inverse identification technique is proposed for a mechanical cooling tower to meet a required heat rejection rate from hot water and also ensuring minimum power consumption. The present technique minimizes the relevant objective function involving the total tower power consumption satisfying the constraint of the required heat load in the inverse analysis. The constraint uses a continuous polynomial function obtained using the experimental data with mass flow rate of air and water as control variables. The comparison of the present constrained inverse retrieval technique is made against the traditional unconstrained inverse parameter retrieval technique satisfying the same heat load. The demonstration of the constrained and the unconstrained inverse retrieval techniques as live feedback tool controlling the tower performance is also presented. The proposed constrained inverse parameter retrieval-based feedback technique is found preferable to ensure least power consumption meeting a required tower heat load.

Détails

  • Titre original : An improved constrained inverse optimization method for mechanical draft cooling towers.
  • Identifiant de la fiche : 30021082
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 114
  • Date d'édition : 05/03/2017
  • DOI : http://dx.doi.org/10.1016/j.applthermaleng.2016.12.002

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