Eine neuartige Analyse und Entwicklungen bei Wärmetauschern
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Eine neuartige Analyse und Entwicklungen bei Wärmetauschern

Eine neuartige Analyse und Entwicklungen bei Wärmetauschern


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About the Book

In der vorliegenden Arbeit wurden experimentelle und simulative Untersuchungen durchgeführt, um die Wärmeübertragung und die Reibungseigenschaften eines glatten und eines verdrillten quadratischen Kanals mit und ohne Einsätze zu untersuchen. Die Experimente wurden für den Luftstrom durch den getesteten Kanal mit Einsätzen für eine Reynoldszahl von 8000 bis 40000 durchgeführt. Um den Druckabfall zu verringern und die Wärmeübertragung zu verbessern, wurde ein verdrillter, quadratischer Kanal eingeführt, zu dem noch keine Forschungsergebnisse vorliegen. Die Untersuchungen wurden durchgeführt und die Experimente basieren vollständig auf der Versuchsplanung, um eine optimale Wärmeübertragungsrate und einen geringeren Druckabfall zu erreichen. Die verschiedenen untersuchten Prozessparameter sind daher: Temperatur, Geschwindigkeit, Massendurchsatz, Kanalgeometrie und Form der Einsätze. Zu den relevanten Parametern der getesteten Kanalelemente gehören kreisförmige Stangeneinsätze und ein verdrillter quadratischer Kanal mit einem Verdrillungsverhältnis von 6,12. Die Einflüsse dieser Parameter auf den Wärmeübergang und den Energieverlust durch Reibung werden anhand der Nusselt-Zahl und des Reibungsfaktors untersucht. Es scheint, dass der verdrillte quadratische Kanal aufgrund der höheren Turbulenz und der verdrillten Form ein größeres Potenzial für die Wärmeübertragung aufweist.


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Product Details
  • ISBN-13: 9786204114262
  • Publisher: Verlag Unser Wissen
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Weight: 172 gr
  • ISBN-10: 6204114263
  • Publisher Date: 27 Sep 2021
  • Height: 229 mm
  • No of Pages: 76
  • Spine Width: 5 mm
  • Width: 152 mm


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