Méthode améliorée de prévision du débit massique pour les compresseurs à piston roulant.
An improved mass flow rate prediction method for rolling piston compressors.
Numéro : 1463
Auteurs : LEE C. Y., HWANG Y., SHAFFER S.
Résumé
An improved mass flow rate prediction method for rolling piston-type compressors was proposed. The critical parameters affecting the mixture leakage across the clearance were identified by deriving the governing equation of refrigerant mixture leakage inside the compression chamber. By correlating with the experimental reference test point, the geometry of the compression chamber can be ignored, and the refrigerant loss was only related to the mixture leakage from the compression side to the suction side. The volumetric efficiency can be predicted using the experimental result of a reference test point with solubility and kinematic viscosity data. A compressor test facility was built to measure the compressor mass flow rate under a wide range of testing conditions. The mixture temperature of the reference test point was assigned. For one reference point prediction, there are 34% data within a 5% deviation and 66% data within a 10% deviation. The prediction accuracy improved to 57% within a 5% deviation and 84% within a 10% deviation for two points prediction. Then, based on the regression data of the discharge temperature, an oil-sump temperature equation as a function of condensing temperature was derived. The single-point prediction accuracy even outperforms the manufacturer's map to 81% within a 5% deviation and 100% within a 10% deviation.
Documents disponibles
Format PDF
Pages : 10 p.
Disponible
Gratuit
Détails
- Titre original : An improved mass flow rate prediction method for rolling piston compressors.
- Identifiant de la fiche : 30030368
- Langues : Anglais
- Sujet : Technologie
- Source : 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
- Date d'édition : 15/07/2022
- Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.
Liens
Voir d'autres communications du même compte rendu (83)
Voir le compte rendu de la conférence
Indexation
-
Study on vibrations of inverter refrigerator co...
- Auteurs : WU S., LUO J., LI Y.
- Date : 11/07/2016
- Langues : Anglais
- Source : 2016 Purdue Conferences. 23rd International Compressor Engineering Conference at Purdue.
- Formats : PDF
Voir la fiche
-
Méthodes de régulation du variateur de vitesse ...
- Auteurs : MAURO B., KAMZOLOV S.
- Date : 03/2013
- Langues : Russe
- Source : Holodil'nyj Biznes - n. 3
- Formats : PDF
Voir la fiche
-
Économie d’un compresseur à variateur de fréque...
- Auteurs : LI C., LONG Y., LONG X.
- Date : 09/2014
- Langues : Chinois
- Source : Refrigeration - vol. 33 - n. 3
Voir la fiche
-
Practical guidelines for tuning model-based pre...
- Auteurs : FLESCH R. C. C., DANGUI H. A. S., SCHWEDERSKY B. B.
- Date : 09/07/2018
- Langues : Anglais
- Source : 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
- Formats : PDF
Voir la fiche
-
Research of variable volume and gas injection D...
- Auteurs : XIANG W., GAO B., WU H., et al.
- Date : 11/07/2016
- Langues : Anglais
- Source : 2016 Purdue Conferences. 23rd International Compressor Engineering Conference at Purdue.
- Formats : PDF
Voir la fiche