Results 21 to 30 of about 2,950,179 (187)

New Designs of Magnetic Fluid Seals for Reciprocating Motion

open access: yesPolish Maritime Research, 2022
The operating conditions of magnetic fluid seals during reciprocating motion are so different from those observed in rotating motion that the use of their conventional structures for reciprocating motion seals yields no good results.
Matuszewski Leszek, Bela Piotr
doaj   +1 more source

Development of a Model and Experimental Study of Thermal Processes in a Ferrofluid Sealer [PDF]

open access: yesProblems of the Regional Energetics, 2023
The aim of the work is to create an interconnected numerical model of the magnetic, hydrody-namic and temperature fields of a ferrofluid sealer and to analyze thermal processes occurring in high-speed seals.
Nesterov S.A. , Baklanov V.D.
doaj   +1 more source

Noncontact gravity compensator with magnetic fluid seals

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2016
In vertical positioning systems, the friction force and the gravity load cause significant error. In order to minimize the effect of friction and gravity load, this paper presents the noncontact gravity compensator applying magnetic fluid seals.
Noriyuki HASEGAWA   +2 more
doaj   +1 more source

Theoretical and computation modelling of polymer seal life [PDF]

open access: yes, 1993
Elastomer seals are widely used in the petroleum industry. Seal failure can be very expensive, due to losses in production and high maintenance costs.
Ho, Tsz Hang Emily Ting
core   +2 more sources

Calculation of the Maximum Temperature of Diester-Based Magnetic Fluid Layers in High-Speed Seals

open access: yesNanomaterials, 2023
Magnetic fluids, as smart nanomaterials, have been successfully used in sealing applications and other fields. However, the temperature of magnetic fluids in the sealing gap is a key factor affecting sealing performances, limiting their application in ...
Yanhong Cheng   +6 more
doaj   +1 more source

Meniscus Shape and Splashing of Magnetic Fluid in Magnetic Fluid Seal.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C, 1996
Magnetic fluid splashing from a magnetic fluid seal due to high-speed rotation of the seal ring was experimentally investigated in relation to clearance and magnetic field strength around a gap to be sealed. Meniscus deformation, owing to fluid rotation, was accurately observed by a silhouette formed when the meniscus was illuminated with a bold laser ...
MITSUYA, Yasunaga   +3 more
openaire   +2 more sources

Error Analysis in Numerical Simulation of the Static Pressure Capability of Magnetic Fluid Seals

open access: yesFrontiers in Materials, 2022
Magnetic fluid is a typical type of functional fluid which can be magnetized and controlled by an external magnetic field. In magnetic fluid seals, magnetic fluid is attracted in sealing gaps by a magnetic field gradient to form non-contact sealing ...
Zhenghao Li, Decai Li
doaj   +1 more source

Research on Dynamic Seal Friction Torque Compensation for a Low-Slow-Small UAV Tracking System

open access: yesIEEE Access, 2023
To ensure reliable and accurate operation in a complex field environment for Low-Slow-Small unmanned aerial vehicle (LSS-UAV) tracking systems, a dynamic seal shafting structure consisting of a labyrinthine structure and a magnetic fluid seal ring is ...
Zhuqiu Gai, Jinsong Wang
doaj   +1 more source

Thermal analysis of a miniature magnetic fluid seal installed in an implantable rotary pump [PDF]

open access: yes, 2022
The capacity of a magnetic fluid (MF) seal is decreased by increased MF temperature. A cooling system for MF is limited in a miniature MF seal installed in an implantable rotary pump.
Yano, Tetsuya   +5 more
core   +1 more source

Study on Magnetic Field and Free Boundary of Magnetic Fluid Seal

open access: yes, 2010
Magnetic fluid was invested in 20thcn 60s, and nowadays, it is used as an effective way for mechanical seal. This paper follows the seal requirements of stirred reactor rotating axis, analyzes the applicability for its seal condition.
Fang Yu Chen, Yu Guang Fan, Bing Chen
core   +1 more source

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