G - Physics – 01 – L
Patent
G - Physics
01
L
73/125, 349/37
G01L 15/00 (2006.01)
Patent
CA 1154860
METHOD OF LOCATING A FAULT IN A PRESSURE PIPE SYSTEM Abstract of the Disclosure A method of locating a fault in a pressure pipe system consists in that there are provided in at least three test points of the system, pick-ups responsive to the action of a pressure drop wave developed in the point of the leak and propagated along the product being trans- ferred, the test points being spaced from one another by maximum distances measured along the pipelines, such that with a specified valu of minimum leakage the pressure drop wave developed in some test point has an amplitude, in two test points nearest thereto, sufficient for opera- tion of the pick-ups disposed in the tow test points, and response times of three pick-ups adjacent the fault which the pressure drop wave will reach first are recorded. Further, three sets of possible points of the fault are determined from the difference between the response times of the first and the second, of the first and the third, of the second and the third of said three pick-ups, res- pectively, and the fault is located by coincidence of one of the possible leaks in one of the sets with one of the possible leaks in at least one of the two remaining sets.
355950
Bogdanov Oleg A.
Kublanovsky Lev B.
Muraviev Gennady A.
Proektny Institut "kommunalproekt"
Swabey Ogilvy Renault
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