DEVELOPMENT OF A MANUFACTURING PROCESS FOR A CUBOIDAL PRESSURE VESSEL WITH TENSION STRUTS

Elisabeth Gleis, Jongwon Kim, Swen Zaremba, Klaus Drechsler

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This article presents a manufacturing concept for an installation-space conformable, box-shaped pressure vessel. As cuboid structures underlie high bending stresses under internal pressure, reinforcing struts are integrated into the tank volume. The incorporation of these reinforcements poses various challenges: The connection of the tension struts to the outer walls of the pressure vessel is of great importance, as this is where most of the forces that counteract the internal pressure are transmitted. For the technological realization of the strut connection, continuous-fiber-reinforced thermoplastic struts are positioned in a winding core. A CFRP-laminate is generated using filament winding, with the struts piercing the deposited carbon fiber rovings and protruding beyond the outer surface of the tank. The strut ends are anchored in the vessel wall by thermal bending and the application of additional outer CFRP layers. The main objective of this work is to present the novel manufacturing concept and verify its feasibility.

Original languageEnglish
Title of host publicationApplications and Structures
EditorsAnastasios P. Vassilopoulos, Veronique Michaud
PublisherComposite Construction Laboratory (CCLab), Ecole Polytechnique Federale de Lausanne (EPFL)
Pages335-342
Number of pages8
ISBN (Electronic)9782970161400
StatePublished - 2022
Event20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022 - Lausanne, Switzerland
Duration: 26 Jun 202230 Jun 2022

Publication series

NameECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability
Volume5

Conference

Conference20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022
Country/TerritorySwitzerland
CityLausanne
Period26/06/2230/06/22

Keywords

  • conformable pressure vessel
  • filament winding
  • hydrogen storage
  • pressure vessel
  • process development

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