Measurement of build-up of fouling deposits by sensing flow char

Details Measurement of build-up of fouling deposits by sensing flow char Measurement of build-up of fouling deposits by sensing flow char

1982-09-30

1985-06-04

Krass, Errol A.

Boots, shoes, and leggings

73 612, G01N 1104, G01B 1310

Patent

active

045218641

ABSTRACT:
A method and apparatus for measuring the thickness of film fouling in a hydraulic system. While the system is clean and unfouled, it is subjected to a brief test run during which the water velocity is swept over a wide range and the corresponding pressure drops are measured and recorded to provide a reference curve for the velocity-pressure drop characteristic. Later, when the system is fouled, the brief test run is repeated to arrive at a new reference curve, part of which substantially coincides with the said reference curve and part of which departs monotonically. The point of departure, by calculation, yields the thickness of the film fouling.

REFERENCES:
patent: 3552189 (1971-01-01), Courvoisier et al.
patent: 4059744 (1977-11-01), Elderton
patent: 4176544 (1979-12-01), Eyles et al.
patent: 4247899 (1981-01-01), Schiller et al.

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