Pressure vessel testing

Details Pressure vessel testing Pressure vessel testing

1984-12-14

1986-03-25

Levy, Stewart J.

Measuring and testing

With fluid pressure

Dimension, shape, or size

73587, G01N 2904, G01M 324

Patent

active

045774870

ABSTRACT:
Pressure vessels are tested for structural integrity by recording acoustic events generated in the vessel's walls while it is immersed in water and subjected to internal pressure above the vessel's working pressure. Acoustic events are recorded by sensors fixed either to the wall of the vessel or to the walls of the water container in which the test is conducted. In preferred form, the vessel is water filled throughout the test and its volumetric increase with pressure is measured in an initial over-pressurization.

REFERENCES:
patent: 3545262 (1970-12-01), Steele et al.
patent: 3926036 (1975-12-01), Bower
patent: 4002054 (1977-01-01), Grenci
patent: 4039376 (1977-08-01), Wachter
patent: 4468965 (1984-09-01), Blackburn
patent: 4481818 (1984-11-01), Hellqvist

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