Abstract
This paper presents an optimized design method for an ultrasonic flow meter (USFM) used in the semiconductor manufacturing field for liquid flow measurement. Based on fluid simulation, the impact of different inlet tube section angles on the velocity distribution within the measuring tube section of the USFM was analyzed, and a suitable inlet tube section angle of 45° was determined. Based on the average flow velocity on the acoustic channel line and the average flow velocity in the measuring tube section, a velocity correction factor was calculated to adjust the measured flow velocity to the actual flow velocity of the tested fluid. The USFM prototype was calibrated for flow rate and a compensation factor obtained to correct measured flow rate. The accuracy of the USFM was tested and found to reach 1.5 level, meeting the needs for liquid flow measurement in the semiconductor manufacturing field.
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Abbreviations
- v :
-
Flow velocity
- ρ :
-
Density
- p :
-
Pressure
- v n :
-
Vibration velocity
- t u :
-
Downstream flow propagation time
- t d :
-
Upstream flow propagation time
- Δt :
-
Time difference
- Q :
-
Instantaneous flow
- K :
-
Flow velocity correction factor
- u l :
-
Line average flow velocity
- u s :
-
Area average flow velocity
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Acknowledgments
This work is supported by the Natural Science Foundation of Zhejiang Province, China (No. U21A20134).
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Chang Chen completed his Ph.D. degree at Huazhong University of Science and Technology in 2013. He is currently a Professor in the School of Mechanical Engineering at Hangzhou Dianzi University. His research subjects are engaged in multi-domain unified modeling theory and technology, the design and application of soft robots, and electromechanical integration technology.
Weijie Sun is a graduate student studying at Hangzhou Dianzi University. His research direction is the design of ultraclean fluidic components.
Rui Zhou is studying for a master’s degree in mechanical engineering at Hangzhou Dianzi University. His research direction is the structural design of ultraclean flow control components used in semiconductor production.
Chen Lin is a graduate student studying at Hangzhou Dianzi University. His research direction is machine vision and intelligent manufacturing.
Changyong Chu is an Associate Professor from Hangzhou Dianzi University. He obtained his Ph.D. from Nanyang Technological University. His area of research includes model base system engineering, digital thread, and intelligent manufacturing.
Shaohui Su completed his Ph.D. degree at Zhejiang University in 2007. He is currently a Professor in the School of Mechanical Engineering at Hangzhou Dianzi University. His research subjects are engaged in multi-domain unified modeling theory and technology, mass customization and digital twins technology.
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Chen, C., Sun, W., Zhou, R. et al. Optimization design and research of ultrasonic flowmeter based on time difference method. J Mech Sci Technol 38, 245–258 (2024). https://doi.org/10.1007/s12206-023-1221-z
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DOI: https://doi.org/10.1007/s12206-023-1221-z