Part I--lnaccuracy of the Moving Bubble Flow Meter in the Low Flow Rate Region: Part II--A Simple and Accurate Method Of Flow Rate Measurement

1968 ◽  
Vol 6 (10) ◽  
pp. 528-530 ◽  
Author(s):  
J. J. Czubryt ◽  
H. D. Gesser
Keyword(s):  
Flow Rate ◽  
Accurate Method ◽  
Low Flow ◽  
Bubble Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Flow Meter ◽  
Rate Region ◽  
Low Flow Rate

scholarly journals Ultra-low flow rate measurement techniques

2021 ◽  
Vol 18 ◽  
pp. 100279
Author(s):  
Emmelyn Graham ◽  
Kerstin Thiemann ◽  
Sabrina Kartmann ◽  
Elsa Batista ◽  
Hugo Bissig ◽  
...  
Keyword(s):  
Flow Rate ◽  
Measurement Techniques ◽  
Low Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Low Flow Rate

A self-bended piezoresistive microcantilever flow sensor for low flow rate measurement

2010 ◽  
Vol 158 (2) ◽  
pp. 273-279 ◽  
Author(s):  
Qi Zhang ◽  
Wenzhou Ruan ◽  
Han Wang ◽  
Youzheng Zhou ◽  
Zheyao Wang ◽  
...  
Keyword(s):  
Flow Rate ◽  
Flow Sensor ◽  
Low Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Low Flow Rate

A Flexible Hair-Like Laser Induced Graphitic Sensor for Low Flow Rate Sensing Applications

2020 ◽  
Author(s):  
Behrokh Abbasnejad ◽  
David McGloin ◽  
Lee Clemon
Keyword(s):  
Flow Rate ◽  
Small Diameter ◽  
Cost Effective ◽  
Low Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Resistance Change ◽  
Flow Rates ◽  
Sensing Applications ◽  
Low Flow Rate

Abstract Direct low flow sensing is of interest to many applications in medical and biochemical industries. Low flow rate measurement is still challenging, and conventional flow sensors such as hot films, hot wires and Pitot probes are not capable of measuring very low flow rates accurately. In some applications that require flow measurement in a small diameter tubing (e.g. intravenous (IV) infusion), using such sensors also becomes mechanically impractical. Herein, a flexible laser-induced graphitic (LIG) piezoresistive flow sensor has been fabricated in a cost-effective single processing step. The capability of the LIG sensor in very low flow rate measurement has been investigated by embedding the sensor within an intravenous (IV) line. The embedded LIG hair-like sensor was tested at ambient temperature within the IV line at flow rates ranging from 0 m/s to 0.3 m/s (IV infusion free-flow rate). The LIG hair-like sensor presented in this study detects live flow rates of IV infusions with a threshold detection limit as low as 0.02 m/s. Moreover, the deformation of the LIG hair-like sensor that lead to resistance change in response to various flow rates is simulated using COMSOL Multiphysics.

Drop interval flowmeter for low flow rate measurement

1989 ◽  
Vol 38 (3) ◽  
pp. 309-313
Author(s):  
Robert L. Hester ◽  
B.J. Barber
Keyword(s):  
Flow Rate ◽  
Low Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Low Flow Rate

scholarly journals 506 Effect of bending angle of a blood flow meter using a curved pipe on flow rate measurement

2014 ◽  
Vol 2014.22 (0) ◽  
pp. 9-10
Author(s):  
Takumi SAITO ◽  
Ryo KOSAKA ◽  
Daisuke SAKOTA ◽  
Masahiro NISHIDA ◽  
Yasuo KAWAGUCHI ◽  
...  
Keyword(s):  
Blood Flow ◽  
Flow Rate ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Flow Meter ◽  
Bending Angle ◽  
Curved Pipe

Steam flow rate measurement using clamp-on type ultrasonic flow meter

2018 ◽  
Vol 2018.23 (0) ◽  
pp. B115
Author(s):  
Shuichi UMEZAWA ◽  
Katsuhiko SUGITA ◽  
Hiroshi SASAKI ◽  
Ryo NISHIWAKI ◽  
Naruki SHOJI ◽  
...  
Keyword(s):  
Flow Rate ◽  
Steam Flow ◽  
Rate Measurement ◽  
Flow Rate Measurement ◽  
Flow Meter ◽  
Steam Flow Rate ◽  
Ultrasonic Flow Meter
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