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Update on Scroll Compressor Chamber Geometry
Bell, Ian; Groll, Eckhard; Braun, James et al.
2010In International Compressor Engineering Conference at Purdue
 

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Abstract :
[en] The geometry of the scroll compressor determines the efficiency of the scroll compressor and controls all elements of its operation. It is therefore critical to be able to accurately model the volumes of the compressor over the course of a revolution. This paper proposes a novel quasi-analytic formulation of the suction, compression and discharge chambers based on a change of variables from involute angle to polar integration angle. This solution has been compared against a reference polygon solution, and for the suction chamber this solution agrees to within 0.02%. The solutions for the compression and discharge chamber volumes are analytic and incur a negligible penalty to overhead of a detailed compressor model. In addition, the general nature of the solution presented allows for multiple compression chambers and more complex discharge geometry.
Disciplines :
Mechanical engineering
Author, co-author :
Bell, Ian ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Groll, Eckhard
Braun, James
King, Galen
Language :
English
Title :
Update on Scroll Compressor Chamber Geometry
Publication date :
July 2010
Event name :
International Compressor Engineering Conference at Purdue
Event organizer :
Purdue University
Event place :
West Lafayette, Indiana, United States
Event date :
July 2010
Audience :
International
Main work title :
International Compressor Engineering Conference at Purdue
Pages :
1489
Commentary :
Also see dissertation by the same author for a more developed analysis
Available on ORBi :
since 15 January 2013

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