Study of Elastic Strength for Cylinders With Hillside Nozzle-Reference-Cited by-同舟云学术

Study of Elastic Strength for Cylinders With Hillside Nozzle

Published:2009-07-27 Issue:5 Volume:131 Page:
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Fang J.¹,Li N.²,Sang Z. F.¹,Widera G. E. O.³

Affiliation:

1. Department of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, P.R.C.

2. Department of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, P.R.C.; State Power Environmental Protection Research Institute, Nanjing 210031, P.R.C.

3. Center for Joining and Manufacturing Assembly, Marquette University, Milwaukee, WI 53233

Abstract

The objective of this paper is to investigate the elastic strength of cylindrical vessels with hillside nozzle under out-of-plane moment on the nozzle. A total of 5 model vessels with different hillside nozzle angles and loading directions were fabricated for study by experimental and finite element numerical simulation methods. The results indicate that an obvious stress concentration exists at the intersection area between vessel and nozzle. The maximum elastic stress occurs at the inside corner of the nozzle-cylinder intersection in transverse section of the cylinders. The dominant stress is the circumferential stress in the cylindrical vessels. The maximum elastic stress and the stress ratio decrease with an increase in the hillside nozzle angle and so does the nozzle displacement.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/doi/10.1115/1.3148085/5742383/051202_1.pdf

Reference16 articles.

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2. Junker, A. T. , 1985, Finite Element Analysis of the Limit Load of a Nozzle in a Cylindrical Vessel Due to In-Plane and Out-of-Plane Moments, Swanson Engineering Associates Corporation (SEAC), Report No. SEAC-TR-312, RW.2.

3. Limit and Burst Pressure for a Cylindrical Shell Intersection With Intermediate Diameter Ratio;Sang;Int. J. Pressure Vessels Piping

4. Plastic limit loads of nozzles in cylindrical vessels under out-of-plane moment loading;Sang;Int. J. Pressure Vessels Piping

5. Widera, G. E. O., and Xue, L., 2004, “Guidelines for FEA Modeling of Cylinder-Cylinder Intersections,” Welding Research Council Bulletin No. 493.

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