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Analysis of a force and moment measurement system for a transonic wind tunnel
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2006 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesisAlternative title
Analysis of a force and moment measurement system for a transonic wind tunnel (Swedish)
Abstract [en]

Low eigenfrequency force and moment measurement systems used for aero-elastic wind tunnel investigations of airplane wing models have been found prone to resonance at dynamic loading. A new suggested design characterized by having high eigenfrequencies and believed suitable for measurements in such experiments is analyzed in the present work. Flexibility and frequency response characteristics of the studied device including piezo electric transducers mounted in a balance are studied using finite element software. Stress levels are found low in general except for a pin experiencing high shear stress. Reasons for this are discussed. The found modal characteristics provide a basis for further experimental investigations.

Place, publisher, year, edition, pages
2006. , 47 p.
Keyword [en]
Piezo electric sensors, Linear static analysis, Modal analysis, Bolt pretension, ANSYS, MSC Nastran/Patran
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-5749Local ID: diva2:833148
+49-176-63134887Available from: 2015-04-22 Created: 2006-10-31 Last updated: 2015-06-30Bibliographically approved

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