Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1991-03-25
1993-05-04
Noland, Tom
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
422 681, 422 8213, G01N 1506, G01N 1510
Patent
active
052070905
ABSTRACT:
A sensor for detecting particle flux in a stream has a hollow armored housing enclosing a vibration transducer coupled to the housing for detecting particles impinging on the housing. Also enclosed in the housing is a data logging and control unit for recording particle flux for later retrieval. An ultrasonic acoustic beacon for signalling the condition of the sensor and for indicating the position of the sensor in the event of displacement is also mounted on the sensor. Additionally a brightly colored long buoyant pennant is attached for enabling visual relocation of a displaced sensor.
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Downing, John P., "Particle Counter for Sediment Transport Studies", Nov. 1981, Journal of the Hydraulics Division, ASCE, vol. 107, No. HY11, pp. 1455-1465.
Finley Rose M.
Marks Donald W.
Noland Tom
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