Gilge, P.; Kellersmann, A.; Friedrichs, J.; Seume, J.R.: Surface roughness of real operationally used compressor blade and blisk. In: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233 (2019), Nr. 14, S. 5321-5330. DOI: https://doi.org/10.1177/0954410019843438
Zusammenfassung: | |
Deterioration of axial compressors is in general a major concern in aircraft engine maintenance. Among other effects, roughness in high-pressure compressor reduces the pressure rise and thus efficiency, thereby increasing the specific fuel consumption of an engine. Therefore, it is important to improve the understanding of roughness on compressor blading and their impact on compressor performance. To investigate the surface roughness of rotor blades of a compressors, different stages of an axial high-pressure compressor and a first-stage blisk (BLade–Integrated–dISK) of a regional aircraft engine is measured by a three-dimensional laser scanning microscope. Fundamental types of roughness structures can be identified: impacts in different sizes, depositions as isotropically distributed single elements with steep flanks and anisotropic roughness structures direct approximately normal to the flow direction. To characterise and quantify the roughness structures in more detail, roughness parameters were determined from the measured surfaces. The quantification showed that the roughness height varies through the compressor depending on the stage, position and the blade side. Overall complex roughness structures of different shape, height and size are detected regardless of the type of the blades. | |
Lizenzbestimmungen: | CC BY-NC 4.0 Unported |
Publikationstyp: | Article |
Publikationsstatus: | publishedVersion |
Erstveröffentlichung: | 2019 |
Die Publikation erscheint in Sammlung(en): | Fakultät für Maschinenbau |
Pos. | Land | Downloads | ||
---|---|---|---|---|
Anzahl | Proz. | |||
1 | ![]() |
Germany | 150 | 49,83% |
2 | ![]() |
United States | 42 | 13,95% |
3 | ![]() |
China | 34 | 11,30% |
4 | ![]() |
India | 15 | 4,98% |
5 | ![]() |
Russian Federation | 7 | 2,33% |
6 | ![]() |
Vietnam | 5 | 1,66% |
7 | ![]() |
No geo information available | 5 | 1,66% |
8 | ![]() |
Pakistan | 5 | 1,66% |
9 | ![]() |
France | 4 | 1,33% |
10 | ![]() |
Iran, Islamic Republic of | 3 | 1,00% |
andere | 31 | 10,30% |
Hinweis
Zur Erhebung der Downloadstatistiken kommen entsprechend dem „COUNTER Code of Practice for e-Resources“ international anerkannte Regeln und Normen zur Anwendung. COUNTER ist eine internationale Non-Profit-Organisation, in der Bibliotheksverbände, Datenbankanbieter und Verlage gemeinsam an Standards zur Erhebung, Speicherung und Verarbeitung von Nutzungsdaten elektronischer Ressourcen arbeiten, welche so Objektivität und Vergleichbarkeit gewährleisten sollen. Es werden hierbei ausschließlich Zugriffe auf die entsprechenden Volltexte ausgewertet, keine Aufrufe der Website an sich.