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New capacity control for ammonia chiller screw compressors with high part load efficiency.
Number: pap. n. 268
Author(s) : ZAYTSEV D.
Summary
Four options of the capacity and internal volume ratio (Vi) control of a screw compressor are presented, analysed and compared. These include: 1) single slide capacity control, 2) parallel slide, 3) tandem slide control and 4) newly developed system with a single Vi-slide and variable speed drive. The last system leads to the best part load efficiency values among all discussed options. The European Seasonal Energy Efficiency Ratio values measured on a newly developed single V(i)-slide screw compressor for ammonia chiller applications are presented.
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Details
- Original title: New capacity control for ammonia chiller screw compressors with high part load efficiency.
- Record ID : 30004636
- Languages: English
- Source: 10th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2012). Proceedings. Delft, The Netherlands, June 25-27, 2012.
- Publication date: 2012/06/25
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