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Application of dynamic centrifugal compressor model for mechanical vapor recompression system simulation.

Number: pap. 1568

Author(s) : LI W., LIU G., XIE C., et al.

Summary

The construction of the centrifugal compressor model and its application for the mechanical vapor recompression (MVR) system dynamic simulation were presented. Instead of lumped loss equations, the centrifugal compressor model used established one-dimensional (1D) loss equations found in open literature. The losses were modeled not only in the impeller but also in the diffuser and the volute. Given specified geometry, rotational speed and suction condition, the model was capable of calculating the static and total temperatures, velocities, static and total pressures, pressure losses, polytropic head and isentropic efficiencies for each compressor component. The behavior of the centrifugal compressor of the MVR system was investigated by both the model and the experiments. The model was helpful for the designer to minimize the magnitude of the losses and justify optimum design decisions. The performance and the surge curve over the entire operating conditions provided by the model were incorporated with the MVR system dynamic simulation and then it was possible for dynamic study on the response of the anti-surge control under the situation of the check valve failure.

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Pages: 8

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Details

  • Original title: Application of dynamic centrifugal compressor model for mechanical vapor recompression system simulation.
  • Record ID : 30024374
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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