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21 March 2006 An approach for enhancing dynamic characteristics of differential pressure flow meters
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Proceedings Volume 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials; 604007 (2006) https://doi.org/10.1117/12.664135
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China
Abstract
A new differential pressure method for hydraulic flow measurement was proposed. Dynamic response of the flow meter was improved from two choke points. One chock point was canceling the oil induce pipes of traditional ways which limit the dynamic characteristics for liquid volume effect. Pressure differences were generated and measured inside the oil pipe. The other chock point was using a MEMS (Microelectromechanical System) differential sensor in place of normal transducers. Without liquid induce pipes and moving components, this new flow meter measures transient flow perfectly. Working principle of this flow sensor was analyzed theoretically. Using CFD software, the flow field was simulated. Also, in a hydraulic testing system the sensor was calibrated ranging from 0-60L/min. A fast data acquisition system-wavebook 512 was applied during the experiment. It presents good linearity and can meet general hydraulic system use.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hongpeng Zhang, Yuqing Sun, and Haiquan Chen "An approach for enhancing dynamic characteristics of differential pressure flow meters", Proc. SPIE 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials, 604007 (21 March 2006); https://doi.org/10.1117/12.664135
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