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http://dx.doi.org/10.5293/kfma.2014.17.4.011

The Static Structural Design and Test of High Speed Propeller Blade  

Park, Hyun-Bum (Division of Defense Science & Technology, Howon University)
Choi, Won (Department of Aerospace Engineering, Gyeongsang National University)
Publication Information
The KSFM Journal of Fluid Machinery / v.17, no.4, 2014 , pp. 11-18 More about this Journal
Abstract
The recent high speed propeller with blade sweep is required to have high strength to get the thrust to fly at high speed. The high stiffness and strength carbon/epoxy composite material is used for the major structure and skin-spar-foam sandwich structural type is adopted for advantage in terms of the blade weight. As a design procedure for the present study, the structural design load is estimated through investigation on aerodynamic load and then flanges of spars from major bending loads and the skin from shear loads are sized using the netting rule and Rule of Mixture. In order to investigate the structural safety and stability, stress analysis is performed by finite element analysis code MSC. NASTRAN. It is found that current methodology of composite structure design is a valid method through the static structural test of prototype blade.
Keywords
High Speed Propeller; Composite Materials; Structural Design; Rule of Mixture; Structure Test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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