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Bypass ultrasonic flow sensor for respiratory monitoring: flow-division-based structural adaptation and optimization
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DOI：10.1016/j.measurement.2026.122789.png)
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Abstract
En 中文
• A bypass ultrasonic airflow sensor is developed, with flow-division characteristics investigated. • Scenario-specific structures are selected for respiratory support, neonatal ventilation, and spirometry. • A piecewise polynomial calibration strategy improves measurement accuracy and repeatability. • Robustness under respiratory interference is experimentally evaluated.
Keywords:
Ultrasonic airflow sensor
Bypass-type
Flow division characteristics
Respiratory monitoring
Computational fluid dynamics (CFD)
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