Article (Scientific journals)
Automotive electric scroll compressor: Testing and modeling
Cuevas, Cristian; Fonseca, Nestor; Lemort, Vincent
2012In International Journal of Refrigeration
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Keywords :
Scroll compressor; inverter; modelling; car; air conditioning
Abstract :
[en] The aim of this research is to characterize experimentally and by modelling an electrically driven automotive scroll compressor. The experimental characterization is carried out through 13 tests at compressor speeds varying between 3000 and 5000 rpm. The DC/AC converter used to supply the compressor was characterized through a calorimetric balance, obtaining an efficiency that depends only on the compressor speed, ranging from 92.5 %, for a compressor speed of 1500 rpm, to 97.5%, for a compressor speed of 5000 rpm. The experimental results are used to identify the parameters of a semi-empirical compressor model, which is able to predict with an acceptable accuracy the main outputs of the mathematical model: confidence limits on the exhaust temperature of ± 1.0 K, on the refrigerant flow rate of ± 2 g s-1 and on the compressor power of ±60 W. This model is then used to determine the compressor cooling power at different compressor speeds and condensing pressures.
Disciplines :
Mechanical engineering
Author, co-author :
Cuevas, Cristian;  Universidad de Concepción > Departamento de Ingenierá Mecánica
Fonseca, Nestor;  Universidad Tecnológica de Pereira > Facultad de Ingenierá Mecánica
Lemort, Vincent  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Language :
English
Title :
Automotive electric scroll compressor: Testing and modeling
Publication date :
2012
Journal title :
International Journal of Refrigeration
ISSN :
0140-7007
Publisher :
Elsevier Science, Oxford, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 March 2012

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