Method of and apparatus for monitoring the durability of compone

Details Method of and apparatus for monitoring the durability of compone Method of and apparatus for monitoring the durability of compone

1974-03-25

1976-04-20

Goldstein, Herbert

Measuring and testing

Test stand

For engine

2351513, G01L 300

Patent

active

039509850

ABSTRACT:
A method for monitoring the durability i.e. the service life of components of a thermal plant where, in functional relation to thermal as well as mechanical stresses, hours eqivalent to those of actual operation of such component at a given correlated mechanical and thermal stress value are counted. The correlated mechanical and thermal stress generated within the component and simulated by an equivalent electrical signal such as a voltage, is compared with a stress, likewise simulated by an electrical signal which at the relevant temperature of the component corresponds to a constant service life assigned by design specification, and the difference between the two electrical signals thus produced is correlated in a non-linear manner to a factor by which the period of actual operation is weighted and integrated, thus arriving at equivalent hours of operation.

REFERENCES:
patent: 3250901 (1966-05-01), Brahm
patent: 3357239 (1967-12-01), Hohenberg
patent: 3517177 (1970-06-01), Crowell
patent: 3574282 (1971-04-01), Curwen
patent: 3584507 (1971-06-01), Hohenberg

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