Results 31 to 40 of about 34,676 (314)

The effect of laminate lay-up on the flutter speed of composite wings. [PDF]

open access: yes, 2003
This paper presents an analytical study on optimization of a laminated composite wing structure for achieving a maximum flutter speed and a minimum weight without strength penalty.
Guo, Shijun J.   +2 more
core   +1 more source

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency Versus Time Domain Methods

open access: yes, 2023
To save resources and reduce emissions, it is crucial to reduce weight of aircraft engines and further increase aerodynamic efficiency of gas and steam turbines. For turbine blades, these goals often lead to flutter.
Malte Krack   +7 more
core   +1 more source

Flutter test of rudder with real servo actuator in continuous transonic wind tunnel

open access: yesXibei Gongye Daxue Xuebao, 2022
Flutter wind tunnel test is an important approach of investigation of transonic flutter characteristics of flight vehicle. Comparing with the blow-down wind tunnel, the long-running and low dynamic pressure capabilities of continuous transonic wind ...
HAN Jiangxu   +5 more
doaj   +1 more source

Research Progress on Stability Analysis of Turning Process

open access: yesJournal of Harbin University of Science and Technology, 2019
During the turning process, the instability caused by chatter will cause a very bad influence on the life of the machine tool and the cutting tool, the machining efficiency and the surface quality In order to improve the efficiency and quality of turning
QIN Lei   +3 more
doaj   +1 more source

Flutter Reliability Analysis of Xiangshan Harbor Highway Cable-Stayed Bridges in Service

open access: yesApplied Sciences, 2022
With the development of bridge structures towards being light weight and having a large span , the overall flexibility, and, hence, wind sensitivity, of the bridge increases.
Tian Zhang   +4 more
doaj   +1 more source

Oral Bisphosphonates and Risk of Atrial Fibrillation and Flutter in Women: A Self-Controlled Case-Series Safety Analysis [PDF]

open access: yes, 2009
Background: A recent trial unexpectedly reported that atrial fibrillation, when defined as serious, occurred more often in participants randomized to an annual infusion of the relatively new parenteral bisphosphonate, zoledronic acid, than among those ...
Aroon Hingorani   +14 more
core   +1 more source

Three dimensional flutter analysis and wind-tunnel experiments of a rectangular sheet supported by a wire (Influence of eccentricity on the flutter characteristics and occurrence condition)

open access: yesNihon Kikai Gakkai ronbunshu, 2016
This paper deals with the flutter analysis of a rectangular sheet supported by a wire in axial flow. In the flutter analysis, Doublet-Point Method based on unsteady lifting surface theory is used to calculate the unsteady fluid force acting on the sheet ...
Keiichi HIROAKI, Masahiro WATANABE
doaj   +1 more source

Flutter of a rectangular sheet flexibly supported at the leading edge (Influence of support condition of the sheet on flutter characteristics)

open access: yesNihon Kikai Gakkai ronbunshu, 2016
This paper deals with the flutter analysis of a rectangular sheet flexibly supported by a wire at the leading edge of the sheet subjected to axial fluid flow.
Keiichi HIROAKI, Masahiro WATANABE
doaj   +1 more source

Flutter Analysis of Propfan–Open Rotors

open access: yesJournal of Aircraft, 2018
This work aims at showing the importance of flutter predictions in the preliminary design of propfan–open rotors. Both single rotating propellers and contrarotating open rotors are investigated.
Prederi, Davide   +3 more
openaire   +1 more source

Circular cylindrical shell flutter analysis based on the unsteady lifting surface theory and experimental verification

open access: yesNihon Kikai Gakkai ronbunshu, 2015
This paper deals with flutter analysis of a circular cylindrical shell based on the non-planar unsteady lifting surface theory. In this study, experiments are conducted with a cantilevered circular cylindrical shell subjected to inner fluid flow, and ...
Hiroya ITOH   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy