Three-dimensional Photoelastic Stress Analysis of High Pressure Bolted-up Flanges PDF Download
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Author: Pu Rung Wen
Publisher:
ISBN:
Category : Photoelasticity
Languages : en
Pages : 134
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Book Description
Author: Pu Rung Wen
Publisher:
ISBN:
Category : Photoelasticity
Languages : en
Pages : 134
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 454
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Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 460
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 466
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Author: Gowri Srinivasan
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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"Linear three dimensional finite element analysis was performed on bolted pressure vessel joints to determine maximum stresses and stress concentration factors in the bolt head fillet as a result of the prying action. The three dimensional finite element models consisted of a segment of the flanges containing one bolt, using cyclic symmetry boundary conditions. The flanges considered were each 20 mm in thickness, with 901.7 mm inner diameter and a constant internal pressure of 0.6895 MPa (100 psi). The outer flange diameter was varied from 1021 mm to 1041 mm in steps of 5 mm. The bolt circle diameter was varied from 960.2 mm to 980.2 mm in steps of 5 mm. The bolts used were 16 mm diameter metric bolts with standard head and nut thickness and the threads were not modeled. Stress concentration factors in the bolt head fillet were calculated and they ranged from 3.34 to 4.80. Stresses as well as the stress concentration factors in the bolt head fillet increase with an increase in bolt circle diameter for a given outer flange dimension. Keeping the bolt circle diameter the same, stresses and stress concentration factors in the bolt head fillet decrease with increase in outer flange diameter. The maximum stresses in the bolt were also calculated according to the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code and the Verein Deutscher Ingenieur (VDI) guidelines and compared to the results observed through finite element analysis. The stresses obtained through fea were larger than those predicted by the ASME and VDI methods by a factor that ranged between 2.96 to 3.41 (ASME) and 2.76 to 3.63 (VDI)"--Abstract, leaf iv
Author:
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 338
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Author: CHARLES EDWIN TAYLOR
Publisher:
ISBN:
Category :
Languages : en
Pages : 55
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Author: G. J. Bohm
Publisher:
ISBN:
Category : Pipelines
Languages : en
Pages : 634
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Author: Welding Research Council (U.S.)
Publisher:
ISBN:
Category : Welding
Languages : en
Pages : 438
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Book Description
Contains final reports from projects sponsored by the Welding Research Council, important papers presented before engineering societies and other reports of current interest.
Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 782
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