Journal
JOURNAL OF SOUND AND VIBRATION
Volume 360, Issue -, Pages 74-96Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2015.09.013
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Funding
- National Natural Science Foundation of China [51375104]
- Heilongjiang Province Funds for Distinguished Young Scientists [JC 201405]
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Two main vibration sources in three-screw pumps, the fluid exciting force and the screw contact force, are studied to provide the basis for vibration control in this paper. A fluid exciting force model and a screw contact model are proposed to calculate these forces. An experimental test is carried out to obtain the vibration response of a three-screw pump. A calibrated finite element model of the three-screw pump is used to verify the vibration response under the fluid exciting force and the screw contact force obtained from the proposed models. The results show that the screw contact force is more dominant than the fluid exciting force. (C) 2015 Elsevier Ltd. All rights reserved.
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