DocumentCode
518242
Title
Notice of Retraction
Analysis on the static performance of porous graphite aerostatic thrust bearings
Author
Ding-zhu Wu ; Ji-zhong Tao
Author_Institution
Inst. of Mech. Manuf. Technol., China Acad. of Eng. Phys., Mianyang, China
Volume
5
fYear
2010
fDate
16-18 April 2010
Abstract
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Numerical simulation was processed with FLUENT based on Finite Volume Method. Analysis and research was implemented on the relative factors, such as the supply gas pressure and the permeability of the porous graphite, which will affect the static performance of porous aerostatic thrust bearings, and thus the diagram of curves was produced accordingly. According to the experiments implemented on the self-manufactured rig, a series of experimental data was produced, revealing the static performance of load capacity and static stiffness. Good agreement has been achieved between the experimental results and the numerical simulation results, which has approved the feasibility of the numerical calculation. The results also indicate that when the gas film gap is distributed in the scope of 3 micro and 5 micro, the static stiffness value of the entire porous graphite aerostatic thrust bearing can be more than 70 N/μm if the porous graphite restrictor is one with the viscous permeability of 7.95×10-15 m2, with the thickness of 10 mm, and with the diameter of 45mm.
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Numerical simulation was processed with FLUENT based on Finite Volume Method. Analysis and research was implemented on the relative factors, such as the supply gas pressure and the permeability of the porous graphite, which will affect the static performance of porous aerostatic thrust bearings, and thus the diagram of curves was produced accordingly. According to the experiments implemented on the self-manufactured rig, a series of experimental data was produced, revealing the static performance of load capacity and static stiffness. Good agreement has been achieved between the experimental results and the numerical simulation results, which has approved the feasibility of the numerical calculation. The results also indicate that when the gas film gap is distributed in the scope of 3 micro and 5 micro, the static stiffness value of the entire porous graphite aerostatic thrust bearing can be more than 70 N/μm if the porous graphite restrictor is one with the viscous permeability of 7.95×10-15 m2, with the thickness of 10 mm, and with the diameter of 45mm.
Keywords
elastic constants; finite volume methods; machine bearings; permeability; porous materials; FLUENT; aerostatic thrust bearing static performance; finite volume method; gas film gap distribution; load capacity; porous graphite; static stiffness; viscous permeability; Analytical models; Equations; Finite volume methods; Instruments; Manufacturing processes; Performance analysis; Permeability; Physics; Space technology; Virtual manufacturing; Load capacity; Permeability; Porous aerostatic bearings; Static stiffness;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer Engineering and Technology (ICCET), 2010 2nd International Conference on
Conference_Location
Chengdu
Print_ISBN
978-1-4244-6347-3
Type
conf
DOI
10.1109/ICCET.2010.5485901
Filename
5485901
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