This paper investigates the behavior of horizontal cylindrical vessels, subjected to thermal loading by high-temperature fluid, where the saddles are fixed to the supporting structure. In order to determine an optimum saddle design, three widely used saddle configurations, with differing saddle heights and top saddle plate extensions, are explored. Thereafter, one of the saddle designs is selected to illustrate a decoupling procedure, for the radial and axial expansions, whereby design charts are obtained to derive the maximum stress values for a range of vessel geometries. The finite element approach, using linear elastic, small displacement analysis, is used throughout.
The Support of Horizontal Vessels Containing High-Temperature Fluids—A Design Study
Tooth, A. S., Cheung, J. S. T., Ong, L. S., Ng, H. W., and Nadarajah, C. (August 1, 1998). "The Support of Horizontal Vessels Containing High-Temperature Fluids—A Design Study." ASME. J. Pressure Vessel Technol. August 1998; 120(3): 232–237. https://doi.org/10.1115/1.2842051
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