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http://dx.doi.org/10.15207/JKCS.2018.9.4.143

Performance Analysis of Matching Layer for Level Measurement in CNG  

Lee, Hongyoon (Department of Research & Development, Sewon Giyeon Co., Ltd)
Kim, Kwonse (Green Car Technology Institute, Kongju National University)
Choi, Dooseuk (Division of Mechanical & Automotive Engineering, Kongju National University)
Publication Information
Journal of the Korea Convergence Society / v.9, no.4, 2018 , pp. 143-150 More about this Journal
Abstract
This work conducted the experimental analysis on ultrasonic acoustic matching in order to measure the accuracy of gaseous fuel level values. The experimental devices were used as 12V-DC supply, control T1 board, oscilloscope (DS01072B), ultrasonic probe and pattern table. The research models were designed by ceramic assay which can determine the transmitting and receiving energies. The result of the ringing area could verify the increased characteristics in the order of D (0.180m) < E (0.184m) < B (0.204m) < A (0.234m) < F (0.244m) < C (0.247m) models based on initial 2.9V of the maximum peak voltage. From the experimental results, the model designed by Ø21*3+2t of the matching layer was notable in that the most outstanding directivity energy could be created.
Keywords
Directivity; Ultrasonic sensor; Gaseous Fuel; Acoustic energy; Ceramic;
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Times Cited By KSCI : 6  (Citation Analysis)
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