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Article

Limit and Burst Pressures for a Cylindrical Vessel With a 30 deg—Lateral (d/D≥0.5)

[+] Author and Article Information
Z. F. Sang, Y. J. Lin

Department of Mechanical Engineering, Nanjing University of Chemical Technology

L. P. Xue, G. E. O. Widera

Center for Joining and Manufacturing Assembly, Marquette University

J. Pressure Vessel Technol 127(1), 61-69 (Mar 15, 2005) (9 pages) doi:10.1115/1.1845477 History: Received September 04, 2002; Revised December 08, 2003; Online March 15, 2005
Copyright © 2005 by ASME
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References

Mershon, J. L., “Interpretive Report on Oblique Nozzle Connections in Pressure Vessel Heads and Shells Under Internal Pressure Loading,” WRC Bulletin No. 153, Aug. 1970.
PVRC Task Group on Laterals of the Subcommittee on ROEL, “Comparison of Three-Dimensional Finite Element and Photo Elastic Results for Lateral Connection,” WRC Bulletin No. 251, Aug. 1979.
Swanson, J. A., “Three-Dimensional Analysis of Lateral Nozzle WC-12B2 Using Three-Dimensional Isoparametric Incompatible Displacement Finite Elements, Final Report Submitted to TG on Laterals, PVRC s/c on Reinforced Openings and External Loadings,” Sept. 1975.
Leven, M. M., “Photo Elastic Determination of the Stresses at Oblique Openings in Plates and Shells,” WRC Bulletin No. 153, Aug. 1970.
Raju, P. P., “Parametric Three-Dimensional Finite Element Study of 45° Lateral Connection,” WRC Bulletin No. 301, Jan. 1985.
Raju, P. P., “Three-Dimensional Finite Element Analysis of 45° Lateral Model 2 (d/D=0.5,D/T=10) Under Out-Of-Plane Moment Loading on Branch Pipe,” WRC Bulletin No. 344, June 1989.
Raju, P. P., “Three-Dimensional Finite Element Analysis of PVRC 45° Lateral Model 4 (d/D=0.5,D/T=40) Under Out-Of-Plane Moment Loading on Branch Pipes,” WRC Bulletin No. 344, June 1989.
Hay and Associates, “Study of 45° Laterals, Final Report Submitted to the TG on Laterals, PVRC s/c on Reinforced Openings and External Loadings,” London, April 1976.
Rodabaugh, E. C., “Stress Indices, Pressure Design and Stress Intensification Factors for Laterals in Piping,” WRC Bulletin, No. 360, Jan. 1991.
Rodabaugh, E. C., “Code Rules for Internal Pressure Design of Isolated Nozzles in Cylindrical Vessels With d/D≤1.0,” WRC Bulletin No. 451, May 2000.
Rodabaugh, E. C., “A Review of Area Replacement Rules for Pipe Connec-tions in Pressure Vessels and Piping,” WRC Bulletin No. 335, Sept. 1988.
Schroeder, J., “Limit and Burst Pressures of Fabricated Branch Connections,” ASME paper, 82-pvp-16, 1982.
Sang, Z. F., Xue, L. P., Lin, Y. J., and Widera, G. E. O., “Limit Analysis and Burst Test for Large Diameter Intersections,” WRC Bulletin No. 451, May 2000.
Automatic Dynamic Incremental Nolinear Analysis, Radux Industry Technologies, Inc.
ASME Boiler and Pressure Vessel Code, 1995 ed., Sections III and VIII-1, VIII-2, ASME, New York.

Figures

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Configuration of the test vessel
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Typical engineering stress-strain diagram for Q235-A
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Welds of the test vessel
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Location and distribution of strain gages [numbers on inside are dimensions (mm) of spacing of gages]
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Pressure-strain curves and limit pressure by test: (a) strain gauge No. 1, (b) strain gauge No. 8, (c) strain gauge No. 23, (d) strain gauge No. 7, (e) strain gauge No. 29, and (f) strain gauge No. 14
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Finite element mesh of analysis model
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Multilinear material model curve
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Deformation of the vessel
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Pressure-strain curves and limit pressure by FEM: (a) strain gauge No. 1, (b) strain gauge No. 8, (c) strain gauge No. 23, (d) strain gauge No. 7, (e) strain gauge No. 14, and (f) strain gauge No. 29

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