Prediction of Gasket Leakage Rate and Sealing Performance Through Fuzzy Logic

Arghavani, J.; Derenne, M.; Marchand, Luc

doi:10.1007/s001700200198

Cited by 12 publications

(4 citation statements)

References 3 publications

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“…And the sealing width and the distribution of the contact stress are indispensable when the sealing performance is discussed. 14 Therefore, analysis on metal seal mechanics is quite necessary, and this article aims to establish analytic equations used in the future engineering design.…”

Section: Mechanics Of the Seal Gasketmentioning

confidence: 99%

Analytical and experimental study on sealing contact characteristics of subsea collet connectors

Yun

Wang

Yao

et al. 2017

Advances in Mechanical Engineering

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The mathematical model of the contact stress is established based on the theory of Hertz contact with the assumption that the contact of a seal gasket and hubs of collet connectors is cylindrical. The mechanical models of the seal are established separately by sealing theory in the preloading and operating modes, and the relationships between the preload, the contact stress, and the sealing width are obtained. The relationships of structural parameters and the preload are analyzed and verified with finite element simulation and experiments. An experimental system has been designed and experiments have been conducted to verify the analytical models. Finite element simulation results and experimental results agree with analytical ones very well and the differences of the preload and sealing width are acceptable.

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Section: Mechanics Of the Seal Gasketmentioning

confidence: 99%

Analytical and experimental study on sealing contact characteristics of subsea collet connectors

Yun

Wang

Yao

et al. 2017

Advances in Mechanical Engineering

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“…So forecast and control of the flange joint leakage rate is of great importance. The Roth leakagemodel [6][7][8] analysis is used in this paper, so that a leakage prediction model of lenticular gasket could be established.…”

Section: Leakage Model Of the Lenticular Gasketmentioning

confidence: 99%

Seal Characteristics and Leakage Model of Metallic Large-Diameter Lenticular Gasket

Gong

Liu

et al. 2013

AMR

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Through studying on the application principle of existing metal lenticular gasket, the structure design was finished, and design methods and calculating models of lenticular gasket larger than 6inch diameter were attained. Seal mechanism of the lenticular gasket and contact mechanics of the flange joint was analyzed by using finite element method. Stress state, contact width and contact deformation parameters of the lenticular gasket on working was obtained. Based on the analyzing results, leakage forecast model of metal lenticular gasket was presented. In the influencing factors of actual working state, such as inner pressure, outer pressure, medium viscosity, and surface roughness and so on, surface roughness is important, so surface machining precision of an in-use large-diameter lenticular gasket should be improved as far as possible. The conclusions will lay foundation for the future engineering application of large-diameter lenticular gasket.

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“…Taking the maximum allowable leakage rate as the failure criterion, Lu and Gu (2002) put forward a gasket life prediction method based on creep. Based on limited experimental data, a fuzzy model to predict gasket leakage rate and sealing performance was established by Arghavani et al (2002). Sassoulas et al (2016) studied the long-term creep relaxation law of the metal gasket under high temperature, and the relationship among the residual stress, temperature and time was obtained.…”

Section: Introductionmentioning

confidence: 99%

Study on life distribution and prediction method of flexible graphite composite reinforced gasket

Zhang,

Shao,

Kong

et al. 2023

ILT

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Purpose This paper aims to prevent gasket sealing failure in engineering, accurately predict gasket life, extend system life and improve sealing reliability. The accelerated life test method of flexible graphite composite–reinforced gaskets is established, the life distribution law of flexible graphite composite–reinforced gaskets is revealed, and the life prediction method of flexible graphite composite–reinforced gaskets with different allowable leakage rates is proposed, which can provide a reference for the life prediction of other types of gaskets. Design/methodology/approach In this study, flexible graphite composite–reinforced gaskets were tested for long-term high-temperature sealing performance on a multi-sample gasket accelerated life test rig. The data were also analyzed using the least squares method and the K-S hypothesis calibration method. A gasket time-dependent leakage model and an accelerated life model were also developed. Constant stress-accelerated life tests were conducted on flexible graphite composite–reinforced gaskets. On this basis, a gasket life prediction method at different allowable leakage rates was proposed. Findings The life distribution law of flexible graphite composite–reinforced gaskets is revealed. The results show that the life of the gasket obeys the Weibull distribution. The time-correlated leakage model and accelerated life model of the gasket were established. And the accelerated life test method of the flexible graphite composite–reinforced gasket was established. The life distribution parameters, accelerated life model parameters and life estimates of gaskets were obtained through tests. On this basis, a gasket life prediction method under different leakage rates was proposed, which can be used as a reference for other types of gaskets. Practical implications The research in this paper can better provide guidance for the use and replacement of gaskets in the project, which is also very meaningful for predicting the leakage condition of gaskets in the bolted flange connection system and taking corresponding control measures to reduce energy waste and pollution and ensure the safe operation of industrial equipment. Originality/value A multi-specimen gasket-accelerated life test device has been developed, and the design parameters of the device have reached the international advanced level. The life distribution law of the flexible graphite composite–reinforced gasket was revealed. The accelerated life test method for the flexible graphite composite–reinforced gasket was established. The life prediction method of the flexible graphite composite–reinforced gasket under different allowable leakage rates was proposed. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2023-0254/

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Prediction of Gasket Leakage Rate and Sealing Performance Through Fuzzy Logic

Cited by 12 publications

References 3 publications

Analytical and experimental study on sealing contact characteristics of subsea collet connectors

Analytical and experimental study on sealing contact characteristics of subsea collet connectors

Seal Characteristics and Leakage Model of Metallic Large-Diameter Lenticular Gasket

Study on life distribution and prediction method of flexible graphite composite reinforced gasket

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