G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 17/02 (2006.01) G01N 29/04 (2006.01)
Patent
CA 2518697
The invention relates to a method and system for monitoring the performance of a pipe containing a pressurised fluid, said pipe comprising at least one current zone and singular zones. The inventive method comprises: the static monitoring of a pre-determined number of singular zones, in order to obtain circumferential dilatation information; and the calculation of the effective stiffness K(ti) of the pipe and of the measured residual steel section As(ti) of same, using the above-mentioned circumferential dilatation information. The method can also comprise the dynamic monitoring of the pipe, in order to obtain information relating to the natural vibration frequencies and modes thereof.
Procédé et système pour surveiller (monitoring) le comportement d'une tuyauterie contenant un fluide sous pression, cette tuyauterie comportant au moins une zone courante t des zones singulières. Ce procédé comprend : une surveillance (monitoring) statique d'un nombre prédéterminé de zones singulières, pour fournir des informations de dilatations circonférentielles, et un calcul, à partir desdites informations de dilatations circonférentielles, de la rigidité effective K(ti) de la tuyauterie et de sa section d'acier résiduelle mesurée As(ti). Ce procédé peut aussi comprendre une surveillance (monitoring) dynamique de la tuyauterie, pour fournir des informations de modes et de fréquences propres de vibration de cette tuyauterie.
Bernard Olivier
Gerard Bruno
Fetherstonhaugh & Co.
Oxand
LandOfFree
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