Dynamic Characteristics of Simple Cylindrical Hydraulic Engine Mount Utilizing Air Compressibility

Autor:	Kazunari Nakahara, Noritoshi Nakagawa, Katsutoshi Ohta
Rok vydání:	2008
Předmět:	Engineering Hydraulic motor business.industry Loss factor Stiffness Internal pressure Diaphragm (mechanical device) Shake Structural engineering Computer Science::Robotics medicine Compressibility medicine.symptom Reduction (mathematics) business Simulation
Zdroj:	Journal of System Design and Dynamics. 2:1118-1136
ISSN:	1881-3046
DOI:	10.1299/jsdd.2.1118
Popis:	A cylindrical hydraulic engine mount with simple construction has been developed. This engine mount has a sub chamber formed by utilizing air compressibility without a diaphragm. A mathematical model of the mount is presented to predict non-linear dynamic characteristics in consideration of the effect of the excitation amplitude on the storage stiffness and loss factor. The mathematical model predicts experimental results well for the frequency responses of the storage stiffness and loss factor over the frequency range of 5 Hz to 60Hz. The effect of air volume and internal pressure on the dynamic characteristics is clarified by the analysis and dynamic characterization testing. The effectiveness of the cylindrical hydraulic engine mount on the reduction of engine shake is demonstrated for riding comfort through on-vehicle testing with a chassis dynamometer.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::e95076d716102169374db981b8dd18b2 https://doi.org/10.1299/jsdd.2.1118 Zobrazit plný text záznamu