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Several damage and defacements widely existing in derrick steel structures are divided into local and overall damage and defacements. Local damage and defacements include cross-section corrosion, member bar initial flexure and the nodes stiffness reducing. The overall damage defacements include overall initial flexure, loading eccentricity and support subsidence. The corresponding damage correction...
When the nozzle is working, there is large amount of hot gas at the interface of the carbon-carbon(C/C) exit-cone because of the pyrolysis of insulator. The hot gas may cause high pressure which may impact the reliability of the joint structure. So the high temperature and pressure measurement were developed to measure the temperature and pressure at the interface of the C/C exit-cone and the insulator...
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