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A study on an online measurement method to determine the oil discharge ratio by utilizing Coriolis mass flow meter in a calorimeter.

Author(s) : YAN G., PENG L., WU S.

Type of article: Article, IJR article

Summary

In this paper, an online measurement method of oil discharge ratio (ODR) is experimentally investigated based on a compressor calorimeter with the Coriolis mass flowmeter (CMF). In this method, the oil concentration is determined by a linear mixing law of the specific volume model using the density of the refrigerant, oil and refrigerant-oil mixture obtained by CMF. During the testing, the light absorption method is also conducted simultaneously for the comparison. The results indicate that the presented CMF based density method has an average relative deviation of 4.28%. The accuracy of the CMF based density method is superior to the light absorption method, which has the relative deviation of -8~23% compared with the standard sampling method. The presented CMF-based method can be expected to be used for future ODR measurement due to its non-sampling, online, and accurate features.

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Pages: 42-50

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Details

  • Original title: A study on an online measurement method to determine the oil discharge ratio by utilizing Coriolis mass flow meter in a calorimeter.
  • Record ID : 30013687
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 52
  • Publication date: 2015/04

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