Affiliation:
1. Cracow University of Technology
Abstract
Cylindrical pressure vessels with circular cross section are commonly used in the construction of various pressure apparatus; however in certain cases other cross sections are applied. The vessels with rectangular and elliptical perpendicular cross section are of the main interest and certain formulas for their calculations are stated in the respective codes [1, 2]. In these appliances flat ends of various shapes are usually used as the vessels caps. Similarly, as for the cylindrical boilers, flat end plates with stress relieve grooves are recommended. Like in the flat ends for cylindrical pipes certain variation of the groove parameters is possible but again no clear suggestion is given how to choose the optimal groove parameters providing the minimum stress concentration [3]. In this paper the numerical analysis and optimization of the admitted by code [1] groove parameters is presented for the pipe with the rectangular cross section subjected to the internal pressure.
Publisher
Trans Tech Publications, Ltd.
Reference10 articles.
1. European Standard, EN 12952-3: 2001. Water-tube boilers and auxiliary installations. Design and calculation of pressure parts, (2001).
2. European Standard, EN 13445-3, Unfired pressure vessels - Part 3: Design, CEN, (2002).
3. R. Preiss: Stress concentration factors of flat end to cylindrical shell connection with a fillet or stress relief groove subject to internal pressure. Intern. Journal for Pressure Vessels and Piping, Vol. 73(3), (1997), pp.183-190.
4. B. Szybiński, A. Wróblewski: Parametric optimization of stress relief groove shape in flat ends of boilers. Journal of Strain Analysis for Engineering Design, Vol. 47(1), (2012), pp.55-63.
5. Szybiński B., Romanowicz P., Zieliński A.P. Numerical and experimental analysis of stress and strains in flat ends of high-pressure vessels. Key Engineering Materials, Vol. 490, (2012), pp.226-236.
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3 articles.
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