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期刊论文
A more accurate method for predicting the stresses in a flat steel ribbon wornd pressure vessl
Journal of Pressure Vessel Technology AUGUST 1998, Vol. 120/255,-0001,():
Flat steel ribbon wound pressure vessels have been adopted by the ASME boiler and Pressure Vessel Code, Section Ⅷ, Division J and Divesion 2. An excellent safety and scrive record has been built up in the past 34 years. Based on the interfacial friction model proposed by Zheng [1], a more accurate method for predicting the stresses in a flat steel ribbon wound ressure vessel is offered in this paper, taking account of the axial displacement, the change in the helical winding angle, the interfacial friction between ribbon layers and the effect of lamination. Comparison between experimental results of five test vessels with and inside diameter varying from 350 to 1000mm, four different helical winding angles (18, 24, 27 and 30°), two width-thickness rations of the ribbon (20 and 22.86) and rosults of oalculation using the stress formulae available demonstrates that the method in this paper is more accurate and that interfacial friction gives a marked strengthening contribution to the axial strength of the vessel.
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