DEVELOPMENT OF A VERY SMALL ULTRASONIC FLOWMETER FOR LIQUIDS

• Abstract:

  In this study, small disk ultrasonic transducers were used to develop a very small ultrasonic flowmeter with a measuring pipe diameter of less than 1 mm. The feasibility of using an ultrasonic flowmeter to measure a liquid flow rate below 1 mL/min was investigated experimentally. Calibration results of the developed ultrasonic flowmeter were almost all scattered within the range predicted from the standard deviation of measurements. The flowmeter can stably measure a flow rate of less than 1 mL/min with a standard deviation of about 0.01 mL/min. This result suggests that the flowmeter can be very useful for semiconductor, medical and chemical industries.
• Keywords:

  ultrasonic flowmeter, very low flow rate, zero stability, cross-correlation, small disk ultrasonic transducer
• Download:

  IMEKO-TC9-2000-095.pdf
• DOI:

  _unreg_tc9-2000.095

Event details: