Abstract
The paper presents a thermomechanical computational solid mechanics
analysis (CSM) of a pipe "double omega", used in the steam superheaters in
circulating fluidized bed (CFB) boilers. The complex cross-section shape
of the "double omega" tubes requires more precise analysis in order to
prevent from failure as a result of the excessive temperature and thermal
stresses. The results have been obtained using the finite volume method
for transient state of superheater. The calculation was carried out for
the section of pipe made of low-alloy steel.
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