- About
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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Experimental Validation of an Ultrasonic Absorption Testing Apparatus for Hypersonic Flow Control MaterialsKarl Jantze (6639953) 04 December 2024 (has links)
<p dir="ltr">To characterize the performance of ultrasonically absorptive flow control materials for hypersonic flight, a pressure controlled and temperature sensing bench-test was developed by the author under Office of Naval Research SBIR Contract #N6833519C0312 awarded in 2019. This testing apparatus is capable of experimentally determining the absorption power coefficient of arbitrary materials using a solid non-porous material as a reference. The testing methodology presented by the author was validated against a theoretical model. It was found that to accurately estimate the acoustic absorption coefficient of materials at high frequencies, temperature and humidity measurements are equally as critical as pressure measurements to ensure that the properties of the acoustic medium and electrical components are accounted for.</p>
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Ultraschallspektrometrie zum dynamischen Verhalten von Domänen in peptidhaltigen Lipidmembranen / Ultrasonic Spectrometry on the Dynamics of Domains in Peptide-Containing Lipid MembranesJäger, Markus 04 July 2005 (has links)
No description available.
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Struktureigenschaften und molekulare Dynamik flüssiger Ethylenglykol-Oligomere und ihrer Mischungen mit Wasser / Structural properties and molecular dynamics of liquid ethylene glycol oligomers and their mixtures with waterHanke, Elke 03 July 2007 (has links)
No description available.
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Ultraschallabsorptionsspektroskopie zur Untersuchung schneller molekularer Prozesse in Alkylglykosid-Lösungen / Investigation of ultrafast molecular kinetics in aqueous alklyglycoside solutions using ultrasonic absorption spectroscopyHaller, Julian 17 June 2008 (has links)
No description available.
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Breitbandige Ultraschallabsorptionsspektroskopie an wässrigen Kohlenhydrat-Lösungen / Broadband ultrasonic absorption spectroscopy of aqueous solutions of carbohydratesHagen, Ralf 14 November 2003 (has links)
No description available.
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