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http://dx.doi.org/10.21289/KSIC.2021.24.4.475

Natural Frequency Analysis and Modal Test of Fuel Pipe for Vehicle Engine  

Son, In-Soo (Division of Mechanical, Automobile, Robot Component Engineering, Dong-eui University)
Hur, Sang-Bum (PHA Co., LTD)
Ahn, Sung-Jin (PHA Co., LTD)
Publication Information
Journal of the Korean Society of Industry Convergence / v.24, no.4_2, 2021 , pp. 475-480 More about this Journal
Abstract
The purpose of this study is to obtain the natural frequency of fuel supply pipes for vehicle engines through modal analysis and testing and compare the resulting values to ensure the reliability of the analysis. In other words, in this study, we obtain the unique frequency of the fuel pipe of the vehicle engine through analysis and testing and compare its results. Comparing the natural frequency obtained through analysis and testing, the first and third vibration modes obtained accurate natural frequency results of less than 1% and very similar results of less than 5% maximum error over the fourth vibration modes. These results are determined that if design changes of fuel pipes are made depending on the vehicle in the future, there will be no problem in obtaining the natural frequency of pipes that have been changed by analysis. Through future analysis and testing, durability and stability evaluation of connections of fuel supply pipes for vehicle engines will be carried out.
Keywords
Modal Analysis; Modal Test; High Pressure Fuel pipe; Natural frequency; Vehicle Engine;
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