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June 17, 2026MiningOpen Access

Direct Measurement of Total Aerodynamic Resistance in Mine Roadways Using a Two-Point Flow-Based Method

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Authors

BHBui Thanh HoaKZKlaudia Zwolińska-GlądysMBMarek Borowski

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Overview

Randomized trial demonstrates enhanced resistance estimation in mine roadways, indicating local loss impact.

Key Points

  • This research aims to develop a reliable method for measuring aerodynamic resistance in underground mine roadways, focusing on overcoming limitations of existing techniques.
  • Introduced a two-point flow-based method for in situ aerodynamic resistance measurement.
  • Used basic instruments: anemometer, differential manometer, thermometer, and hygrometer.
  • Conducted field testing in five roadway sections of a coal mine in Vietnam.
  • Measured resistance values were 10–15 times higher than theoretical friction-only estimates.
  • Back-calculated equivalent cross-sectional areas showed 3–6% deviation from geometric survey data.
  • The method effectively captures local losses, proving its practicality in real operating conditions.

Cite This Study

Hoa et al. (2026) studied this question.

synapsesocial.com/papers/6a323e36d50b63ecad207841https://doi.org/10.3390/mining6020041
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