Development of COPV’s for high pressure, in-space, cryogenic fuel storage / R. Noorda in SAMPE JOURNAL, Vol. 44, N° 6 (11-12/2008)

[article]  inSAMPE JOURNAL > Vol. 44, N° 6 (11-12/2008) . - p. 6-14 Titre : Development of COPV’s for high pressure, in-space, cryogenic fuel storage Type de document : texte imprimé Auteurs : R. Noorda, Auteur ; J. Noorda, Auteur ; D. Patterson, Auteur ; J. A. Schneider, Auteur ; M. Dyess, Auteur ; W. C. Hastings, Auteur Année de publication : 2008 Article en page(s) : p. 6-14 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 668.4 Plastiques, vinyles Résumé : Polymeric composite overwraped pressure vessels (COPV's) provide an attractive material system to support developing commercial launch business and alternate fuel ventures. However to be able to design with these materials, the mechanical behavior of the materials must be understood with regards to processing, performance, damage tolerance, and environment. For the storage of cryogenic propellants, it is important to evaluate the materials performance and impact damage resistance at cryogenic temperatures in order to minimize weight and to ensure safety and reliability. To evaluate the ultimate performance various polymeric COPV's have been statically burst tested at cryogenic conditions before and after exposure to irradiation. Materials selected for these COPV's were based on the measured mechanical properties of candidate resin systems and fibers that were also tested at cryogenic conditions before and after exposure to irradiation. The correlation of COPV burst pressures with the constituent material properties has proven to be a valuable screening method for selection of suitable candidate materials with resistance to material degradation due to exposure to temperature and radiation. Note de contenu : - RADIATION EXPOSURE - EXPERIMENTAL PROCEDURE : Neat resin fabrication and testing - Single fiber testing - Split ring fabrication and testing - COPV fabrication and burst testing Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=2833 [article]

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Development of cryogenic composite over-wrapped pressure vessels (COPV's) / T. DeLay in SAMPE JOURNAL, Vol. 44, N° 3 (05-06/2008)  

[article]  inSAMPE JOURNAL > Vol. 44, N° 3 (05-06/2008) . - p. 44-51 Titre : Development of cryogenic composite over-wrapped pressure vessels (COPV's) Type de document : texte imprimé Auteurs : T. DeLay, Auteur ; J. Patterson, Auteur ; J. Noorda, Auteur ; J. Schneider, Auteur Année de publication : 2008 Article en page(s) : p. 44-51 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 668.4 Plastiques, vinyles Résumé : The meet the design goals for the NASA's new vehicles, the use of new high strength to weight ratio composite systems are being explored. NASA's new ARES-1 vehicle concept will utilize an upper stage common bulk-head liquid oxygen (LOX)/liquid hydrogen (LH2) design which requires 31.4 MPa gaseous helium (GHe) pressure vessels to be located inside the LH2 tank. In addition to this application, similar needs emerging for cryogenic fuel storage tanks for commercial launch business and for transportation of liquefield natural gas and LH2. In all of these applications it is important to know the performance of the candidate at cryogenic temperatures to realize weight saving and to ensure safety and reliability. This document summarizes the results of a multi-year collaborative effort to develop material selection guidelines and evaluate cryogenic performance of composite over-wrapped pressure vessels (COPVs). This effort involved the simultaneous development and evaluation of materials, test methods, and than design. As part of this study, material tests of candidate fiber and rein systems have been used as the basis for the selection of the material combinations for evaluation in a COPV at cryogenic conditions. The comprehensive approach has also been expanded to adress issues with impact damage tolerance and material degradation due to environmental factors. Note de contenu : - Material selection and resin formulation - COPV fabrication - COPV pressurization tests En ligne : https://drive.google.com/file/d/1TrbflYJUw_cM8LsBtEVkbC-mOnO5jdEJ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23344 [article]

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