{"title":"Thermodynamik","description":"","products":[{"product_id":"978-3-95900-331-5","title":"978-3-95900-331-5","description":"\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std ExtraBold',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eExperimentelle Bestimmung und Modellierung des Wandwärmeübergangs innerhalb eines Drehkammerschwingsystems\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eAutor*in: Josef Meyer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eISBN: 978-3-95900-331-5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eDissertation, Leibniz Universität Hannover, 2019\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eHerausgeber*in der Reihe: Stephan Kabelac\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBand-Nr.: IfT 1\/2019\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eUmfang: 156 Seiten, 62 Abbildungen\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-fareast-language: DE;\"\u003eSchlagworte: Rotierender konzentrischer Ringspalt, Wärmeübergang, Expansionsmaschine\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; text-align: justify; line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eKurzfassung: Mit dem Drehkammerschwingsystem wird eine neue Expansionsmaschine für Kraft–Wärme–Kopplungen vorgestellt und untersucht. Zur Untersuchung wurde an der Hochschule Hannover ein erster Prototyp und ein zugehöriger Versuchsstand entwickelt und errichtet. Basierend auf den gewonnenen Daten wird das System thermodynamisch untersucht und die mittleren Wärmeübergangskoeffizienten auf das Gehäuse berechnet. Zur Vorhersage der Wärmeübergänge wird eine dazugehörige Nußelt–Reynolds–Korrelation erstellt. Unter Berücksichtigung der spezifischen Systemeigenschaften wird eine effektive Geschwindigkeit eingeführt, mit der die Reynolds–Werte bestimmt werden. Der Verlauf der Nußelt–Kurven bestätigt zusammen mit den Ergebnissen aus der Literatur die vorab getroffene Zuordnung des Systems zu den Wärmeübergängen im konzentrisch rotierenden Ringspalt.\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"TEWISS Verlag","offers":[{"title":"Default Title","offer_id":51836537405768,"sku":"978-3-95900-331-5","price":38.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/3448\/4808\/files\/978-3-95900-331-5.jpg?v=1761294579"},{"product_id":"978-3-69030-149-7","title":"978-3-69030-149-7","description":"\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std ExtraBold',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eFrom Process to Properties: Understanding Texture and Mechanical Behavior in AM50 rods Processed by Constrained Friction Processing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eAutor*in: Camila Caroline de Castro\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eISBN: 978-3-69030-149-7\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eDissertation, Leibniz Universität Hannover, 2025\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eHerausgeber*in der Reihe: Prof. Dr.-Ing. habil. Benjamin Klusemann\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBand-Nr.: IPTS 08\/2025\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 0cm; line-height: 115%;\"\u003e\u003cspan style=\"font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eUmfang: 145 Seiten, 79 Abbildungen\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-fareast-language: DE;\"\u003eSchlagworte: Constrained friction processing, Mg alloys, microstructure, deformation mechanisms, enhanced ductility\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; text-align: justify; line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eKurzfassung: Constrained friction processing (CFP) is a new thermo-mechanical technique to produce rods from lightweight metals, like Mg or Al alloys, involving the extrusion of the material under high shear conditions induced by the rotation of the tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; text-align: justify; line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eThis work aims to introduce CFP as an effective technique for producing AM50 rods. The results show an exceptional grain refinement by a factor of 100 relative to the base material. Furthermore, the material flow formed during the process lead to the formation of a texture gradient ultrastrong in terms of intensity, characterized by the B-fiber texture at the center of the rod, which is increasingly tilted outward as the position approaches the edge. As a result, texture-dependent deformation mechanisms are activated, resulting in particular local mechanical properties along the rod. While all samples show significant improvements in ultimate tensile strength, notable enhancements in yield strength and ductility occur at the middle and center, with an exceptional increase in elongation at break observed at the outer portion of the rod.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-bottom-alt: auto; text-align: justify; line-height: 115%;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eThe study demonstrates that texture tailoring can be achieved by controlling material flow during CFP, enabling an optimized balance between strength and ductility for specific applications. Furthermore, the enhanced properties indicate that this approach could pave the way for biomedical applications when combined with biocompatible Mg-based alloys, opening new avenues for material development.\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Rotis SansSerif Std',sans-serif; mso-bidi-font-family: Arial; color: black;\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"TEWISS Verlag","offers":[{"title":"Default Title","offer_id":52333242581320,"sku":"978-3-69030-149-7","price":40.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/3448\/4808\/files\/978-3-69030-149-7.jpg?v=1768561362"}],"url":"https:\/\/www.tewiss-verlag.de\/collections\/thermodynamik.oembed","provider":"TEWISS Verlag","version":"1.0","type":"link"}