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Development and experimental validation of a mechanistic chamber model of a novel peristaltic compressor.

Author(s) : ISLAM M., NICHOLAS J., BRADSHAW C. R.

Type of article: IJR article

Summary

This work presents the novel peristaltic compressor, which has the potential to improve compressor efficiency by eliminating losses due to valves and over/under compression. This compressor operates by means of a progressively actuated diaphragm that compresses vapor and stimulates flow through a cylindrical chamber. In this study, we present a mechanistic chamber model of the compressor. A geometric model is developed along with the fundamental thermodynamic equations that describe compression as well as sub-models describing mass flow, leakage, and heat transfer. Additionally, validation of the model is presented using data from a reconfigurable prototype compressor using air as the working fluid. The reconfigurable prototype is operated with volume ratios ranging from 1.5 to 9 at pressure ratios ranging from 1 to 2.1. Each test is repeated 6 times and the experimental uncertainty of each test is within 5%. The mechanistic chamber model of the peristaltic compressor predicts the experimental mass flow rate and volumetric efficiency within 10% MAPE.

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Pages: 430-441

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Details

  • Original title: Development and experimental validation of a mechanistic chamber model of a novel peristaltic compressor.
  • Record ID : 30030922
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 146
  • Publication date: 2023/02
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2022.12.003

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