Modelling and measurement of a moving magnet linear compressor performance
Journal article
Liang, K., Stone, R., Davies, G., Dadd, M. and Bailey, P. (2014). Modelling and measurement of a moving magnet linear compressor performance. Energy. 66, pp. 487-495. https://doi.org/10.1016/j.energy.2014.01.035
| Authors | Liang, K., Stone, R., Davies, G., Dadd, M. and Bailey, P. |
|---|---|
| Abstract | A novel moving magnet linear compressor with clearance seals and flexure bearings has been designed and constructed. It is suitable for a refrigeration system with a compact heat exchanger, such as would be needed for CPU cooling. The performance of the compressor has been experimentally evaluated with nitrogen and a mathematical model has been developed to evaluate the performance of the linear compressor. The results from the compressor model and the measurements have been compared in terms of cylinder pressure, the ‘P–V’ loop, stroke, mass flow rate and shaft power. The cylinder pressure was not measured directly but was derived from the compressor dynamics and the motor magnetic force characteristics. The comparisons indicate that the compressor model is well validated and can be used to study the performance of this type of compressor, to help with design optimization and the identification of key parameters affecting the system transients. The electrical and thermodynamic losses were also investigated, particularly for the design point (stroke of 13 mm and pressure ratio of 3.0), since a full understanding of these can lead to an increase in compressor efficiency. |
| Keywords | Moving magnet linear compressor, Mathematical model, MeasurementsP–V loopLosses |
| Year | 2014 |
| Journal | Energy |
| Journal citation | 66, pp. 487-495 |
| Publisher | Elsevier |
| ISSN | 0360-5442 |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.energy.2014.01.035 |
| Publication dates | |
| 01 Mar 2014 | |
| Publication process dates | |
| Accepted | 09 Jan 2014 |
| Deposited | 26 Jan 2022 |
| Accepted author manuscript | License File Access Level Open |
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| Modelling and Measurement of a Moving Magnet Linear Compressor Performance (accepted version).pdf | ||
| License: CC BY-NC-ND 4.0 | ||
| File access level: Open | ||
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