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2014 (Vol. 7, Issue: 7)
Article Information:

Deformation Evaluation Due to Poisson's Ratio Variation of Coated Fabric for Airship Envelope

Yufeng Chen and Wujun Chen
Corresponding Author:  Yufeng Chen 

Key words:  Airship envelope, coated fabric, deformation evaluation, geometry dimension effect, poissonís ratio , tension ratio,
Vol. 7 , (7): 1287-1293
Submitted Accepted Published
April 12, 2013 May 18, 2013 February 20, 2014

To target to evaluate the deformation due to only Poissonís ratio variation of coated fabric for airship envelop, series biaxial extension tests were carried out for a particular envelop Uretek3216 and the mechanical property parameters were calculated accordingly from the plain composite theory. On the basis of elastic engineering theory, three typical cases of tension ratio 1:1, 1:2 and 1:1~1:2 were proposed for evaluation on Poissonís ratio variation, which is cruciform specimen, inflatable fabric beam and streamline airship. Parametric analysis was carried out for each case through numerical simulation. And the geometry dimension effect was also investigated with scaled model. The significant deformation variation of airship is found from only Poissonís ratio variation, Poisson ratio variation is necessary to be considered for accurate deformation predication of large flexible airship. The presented work is valuable to numerical analysis and engineering design for non-rigid airship structures.
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  Cite this Reference:
Yufeng Chen and Wujun Chen, 2014. Deformation Evaluation Due to Poisson's Ratio Variation of Coated Fabric for Airship Envelope.  Research Journal of Applied Sciences, Engineering and Technology, 7(7): 1287-1293.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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