Abstract
This paper is about the theoretical and experimental characterizations of the torsional vibration behavior of circular and rectangular cross-sectional arc springs. Firstly, the dynamic behaviors of arc springs with different cross-sectional wire profiles designed for a dual mass flywheel are modeled by mathematical formulations. After that, experimental tests are performed to verify these models and it is observed that the stiffness characterizations are in good agreement with experimental results. Lastly, the masses of two different arc springs are compared by regarding the same vibration stiffness criteria and it is demonstrated that the rectangular wire provides an arc spring with a 9.44 vol.-% lighter structure. Thus, the outcomes of this paper can be good references for the manufacturer about the numerical and experimental characterization of dual mass flywheel springs, especially for rectangular wire arc springs.
About the authors
Samet Fidanciogullari, born in 1994, received his Bachelor’s degree from the Department of Mechanical Engineering, Uludag University in Bursa, Turkey, in 2017. He has been working as a spring process engineer at the Orau Orhan Automotive plant located in Bursa, Turkey. He is currently a master’s student at the same university. He is working as a lead engineer of the design, analysis, and improvement of the arc spring project supported by TUBITAK.
Dr. Ahmet Yildiz, born in 1988, is working as an Assistant Professor at the Automotive Engineering Department, Faculty of Engineering, Bursa Uludag University, Turkey. He received his PhD degree in Mechanical Engineering from the same university in 2017 with the best doctoral-thesis award. He worked as a visiting researcher at the Mechanical Engineering Department of Politecnico Di Bari, Italy for 14 months with the scholarships of the Scientific and Technological Research Council of Turkey (TUBITAK) and Politecnico Di Bari. He has written many international articles and has taken part in many R&D projects from industry. His main research areas include the modeling of vehicle systems and vibrations, mechanisms and machine theory, dynamics and control, applications of the optimization theorem to the mechanical systems, and analysis of the power-trains of electrical vehicles.
Acknowledgment
This study is part of the project coded TEY-DEB-3190332, supported by The Scientific and Technological Research Council of Turkey (TUBITAK) and Orhan Automotive Inc. Co. The authors would like to express their sincere thanks to these foundations.
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