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Comparison of the Models of the Air Gauge Static Characteristics

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In the article, the authors analyze and discuss several models used to the calculation of air gauge characteristics. The model based on the actual mass flow (which is smaller than the theoretical one) was proposed, too. Calculations have been performed with a dedicated software with the second critical parameters included. The air gauge static characteristics calculated with 6 different models were compared with the experimental data. It appeared that the second critical parameters model (SCP) provided the characteristics close to the experimental ones, with an error of ca. 3% within the air gauge measuring range.
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Bibliogr. 28 poz., rys., tab.
  • Poznan University of Technology, Institute of Mechanical Technology, Division of Metrology and Measurement Systems, Piotrowo 3, 60-965 Poznan, Poland
  • Poznan University of Technology, Chair of Thermal Engineering, Piotrowo 3, 60-965 Poznan, Poland
  • Poznan University of Technology, Institute of Mechanical Technology, Division of Metrology and Measurement Systems, Piotrowo 3, 60-965 Poznan, Poland
  • Faculty of Mechanical Engineering, Kazimierz Pulaski University of Technology and Humanities in Radom, 54 Krasickiego Str., 26-600 Radom, Poland
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1. The investigation described in this work were supported by the Ministry of Science and Higher Education, Poland.
2. Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
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