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http://dx.doi.org/10.9712/KASS.2016.16.3.067

Evaluation of Structural Performance of Natural Draught Cooling Tower according to Shell Geometry using Wind Damage Analysis - Part I : One-shell Geometry  

Lee, Sang-Yun (Dept. of Architectural System Eng., Hanyang University)
Noh, Sam-Young (Dept. of Architectural Eng., Hanyang University)
Publication Information
Journal of Korean Association for Spatial Structures / v.16, no.3, 2016 , pp. 67-78 More about this Journal
Abstract
Determining of the shape in the process of design for natural draught cooling tower is very important, because the shape of hyperbolic shell is respond sensitively to dynamic behavior of the whole cooling tower against wind load. In engineering practice, the geometric parameters have been determining based on the natural frequency. This study analyses influence of the tower shell geometric parameters on the structural behavior. For three representative models were selected, they were analyzed based on evaluation of damage by means of nonlinear FE-method. As a result, a hyperbolic rotational shell with the small radius overall was the lowest damage index induced by sufficient capacity of the stress redistribution and thus a wind-insensitive structure.
Keywords
Cooling tower; 1-shell geometry; Natural frequency; Nonlinear FE-method; Damage index;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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