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TECHNICAL PAPERS

B2 and C2 Stress Indices for Large-Angle Bends

[+] Author and Article Information
Rajnish Kumar, M. A. Saleem

Atomic Energy of Canada Limited, Mississauga, Ontario L5K 1B2, Canada

J. Pressure Vessel Technol 124(2), 177-186 (May 01, 2002) (10 pages) doi:10.1115/1.1467075 History: Received October 24, 2001; Revised December 21, 2001; Online May 01, 2002
Copyright © 2002 by ASME
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References

ASME Boiler and Pressure Vessel Code, Section III, Div. 1, 1998 Edition.
ASME Boiler and Pressure Vessel Code Case N-319-2, 1990, “Alternate Procedure for Evaluation of Stresses in Butt Welding Elbows in Class 1 Piping, Section III, Division 1.”
Kumar,  R., and Saleem,  M. A., 2001, “Bend Angle Effect on B2 and C2 Stress Indices for Pining Elbows,” ASME J. Pressure Vessel Technol., 123, May, pp. 226–231; also, presented at the ASME/PVP Conference, Seattle, WA, July 23–27, 2000.
Liu, T., Kumar, R., Saleem M. A., and Usmani, S. A., 1998, “Stress Indices for Feeder Pipe Bends Based on Finite Element Analysis,” ASME PVP-Vol. 388.
ANSYS, Version 5.3, “Finite Element Program,” Swanson Systems Inc., Houston, PA.
Yu, L., and Matzen, V. C., 1998, “B2 Stress Index for Elbow Analysis,” Proc., 7th Int. Symp. on Current Issues Related to Nuclear Power Plant Structure, Equipment and Pip. Held at North Carolina State University, Raleigh, NC.
Williams, D. K., and Lewis, G. D., 1984, “Development of Primary and Secondary Moment Loading Stress Indices for Trunnion Elbows,” ASME PVP-Vol. 98.

Figures

Grahic Jump Location
Elbow with bend angle θ
Grahic Jump Location
Line plot of finite element model
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Plots of B2 stress index for bend angle θ from 90 to 180 deg  
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Plots of B2 stress index for bend angle θ≤90 deg
Grahic Jump Location
Plots of C2 stress index for bend angle θ from 90 to 180 deg
Grahic Jump Location
Plot of C2 stress index for bend angle θ≤90 deg 3

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