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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Ong, L. S. Cheung, J. S. T. Ng, H. W. Tooth, A. S. |
| Copyright Year | 1997 |
| Abstract | This paper derives a set of parametric equations for finding the maximum stresses developed in the cylindrical vessel which is supported by two saddles firmly secured to the foundation and subjected to thermal expansion loading. Three types of stresses are considered: maximum stress intensity, maximum circumferential stress and maximum axial stress. The maximum stresses in the vessel are found to be governed by the height and width of the saddle, the spacing between the two supports and the relative structural rigidity between the support and the vessel. This paper is an extension of the work reported by Tooth, et.al (1996). Using a least square curve fitting procedure, parametric equations for the maximum stresses developed in the vessel have been established. Raw data used for the curve fitting were obtained from a carefully-planned finite element study which covers a wide range of key dimensions. A total of 900 finite element runs have been performed. The derived parametric equations are subsequently validated against the raw data and their error bounds are established. In all cases the maximum errors are found to be within 20%. The established parametric equations can be used directly in design calculations. The curve fitting procedure outlined in this paper has wide application for any set of generated or measured data. |
| Sponsorship | International Gas Turbine Institute |
| File Format | |
| ISBN | 9780791878675 |
| DOI | 10.1115/97-AA-056 |
| Conference Proceedings | ASME 1997 Turbo Asia Conference |
| Language | English |
| Publisher Date | 1997-09-30 |
| Publisher Place | Singapore |
| Access Restriction | Open |
| Subject Keyword | Design Thermal expansion Errors Vessels Dimensions Hoop stress Stiffness Finite element analysis Curve fitting Stress |
| Content Type | Text |
| Resource Type | Article |
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