In order to improve the sealing performances of porous braided packing rings, an experimental study is currently performed on a dedicated device. This device has been specially designed to measure the stresses during cyclic loading tests with compressed exfoliated graphite valve packing. Indeed, different tests which reproduce the opening and closing cycles of the valves have been performed to enhance the understanding of the response of the packing mechanical behavior. To this respect, an Hyperelasto-Hysteretic model is now being developed to reproduce the mechanical behavior of the compressed exfoliated graphite. The material parameters of this model are then identified to describe the stress-strain response of the studied packed stuffing-box under these cyclic loading tests.
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ASME 2017 Pressure Vessels and Piping Conference
July 16–20, 2017
Waikoloa, Hawaii, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5795-3
PROCEEDINGS PAPER
Experimental and Numerical Investigations on Exfoliated Graphite Seals
Emilie Viéville,
Emilie Viéville
Universitè Bretagne Sud, Lorient, France
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Hervé Laurent,
Hervé Laurent
Universitè Bretagne Sud, Lorient, France
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Gérard Rio,
Gérard Rio
Universitè Bretagne Sud, Lorient, France
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Hubert Lejeune
Hubert Lejeune
CETIM, Nantes, France
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Emilie Viéville
Universitè Bretagne Sud, Lorient, France
Hervé Laurent
Universitè Bretagne Sud, Lorient, France
Gérard Rio
Universitè Bretagne Sud, Lorient, France
Benoit Omnès
CETIM, Nantes, France
Hubert Lejeune
CETIM, Nantes, France
Paper No:
PVP2017-65390, V03BT03A028; 9 pages
Published Online:
October 26, 2017
Citation
Viéville, E, Laurent, H, Rio, G, Omnès, B, & Lejeune, H. "Experimental and Numerical Investigations on Exfoliated Graphite Seals." Proceedings of the ASME 2017 Pressure Vessels and Piping Conference. Volume 3B: Design and Analysis. Waikoloa, Hawaii, USA. July 16–20, 2017. V03BT03A028. ASME. https://doi.org/10.1115/PVP2017-65390
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