Bitte benutzen Sie diese Kennung, um auf die Ressource zu verweisen: https://doi.org/10.21256/zhaw-23834
Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
Art der Begutachtung: Peer review (Publikation)
Titel: Analysis of pressure drop and blast pressure leakage of passive air blast safety valves : an experimental and numerical study
Autor/-in: Brenner, Lorenz
Jenni, Christian
Guyer, Flurin
Stähli, Patrick
Eberlein, Robert
Huber, Matthias
Zahnd, André
Schneider, Martin Albert
Tillenkamp, Frank
et. al: No
DOI: 10.1016/j.jlp.2021.104706
10.21256/zhaw-23834
Erschienen in: Journal of Loss Prevention in the Process Industries
Band(Heft): 75
Seite(n): 104706
Erscheinungsdatum: 18-Dez-2021
Verlag / Hrsg. Institution: Elsevier
ISSN: 0950-4230
Sprache: Englisch
Schlagwörter: Passive air blast safety valve; Blast pressure leakage; Pressure drop; Optimization procedure; Numerical investigation; Experimental investigation
Fachgebiet (DDC): 620: Ingenieurwesen
Zusammenfassung: The purpose of passive air blast safety valves is to protect people and technical installations in buildings or facilities. In case of explosions, e.g. due to technical failures in an oil- and gas refinery, the safety valve should close in milliseconds with the incident shock wave and substantially reduce the blast-pressure leakage into the building. On the other hand, the safety valve should exhibit a low pressure drop in normal operation in order to reduce the power consumption of the ventilators. One main difficulty in the design of such safety valves is to meet the minimum technical requirements, while ensuring the functionality in intrinsically different operating modes. Therefore, the present study proposes a target-oriented evaluation and optimization procedure for such devices, incorporating comprehensive numerical and experimental investigations. CFD, FEM and FSI analyses are regarded as an appropriate approach to predict valve performance parameters and to gain additional insights into the flow or structural behavior of the safety valve, which serves then as a basis for geometrical optimizations. The introduced procedure is exemplified on an existing passive air blast safety valve as a case study. The performance of the new design is significantly increased in ventilation operation, while meeting the performance criteria in the stress case when subjected to blast loads.
URI: https://digitalcollection.zhaw.ch/handle/11475/23834
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): CC BY 4.0: Namensnennung 4.0 International
Departement: School of Engineering
Organisationseinheit: Institut für Energiesysteme und Fluid-Engineering (IEFE)
Institut für Mechanische Systeme (IMES)
Publiziert im Rahmen des ZHAW-Projekts: Neuentwicklung eines Explosionsschutzventils
Enthalten in den Sammlungen:Publikationen School of Engineering

Dateien zu dieser Ressource:
Datei Beschreibung GrößeFormat 
2021_Brenner-et-al_Analysis-of-pressure-drop-and-blast-pressure-leakage.pdf4.27 MBAdobe PDFMiniaturbild
Öffnen/Anzeigen
Zur Langanzeige


Alle Ressourcen in diesem Repository sind urheberrechtlich geschützt, soweit nicht anderweitig angezeigt.