Measuring and testing – Volume or rate of flow – By measuring transit time of tracer or tag
Patent
1997-10-07
1999-08-03
Noland, Thomas P.
Measuring and testing
Volume or rate of flow
By measuring transit time of tracer or tag
99342, 426231, G01F 1708, G01N 3302
Patent
active
059328134
ABSTRACT:
A method of generating a residence time measurement of a particulate-containing food product while passing the product as a continuous stream through a thermal processing apparatus is described. The method includes the steps of inserting at least one detectable particle, and preferably many detectable particles, tagged with at least one magnetic implant into the stream at pre-selected intervals; detecting the at least one implant using at least one sensor located at a detection point downstream from a location of the inserting of the at least one detectable particle; determining a time of passage of the at least one detectable particle in the stream using output from the at least one sensor; and generating a residence time measurement for the stream using the time of passage for the at least one detectable particle. The method also includes the use of multiple sensors for detecting the implants. A suitable system and detectable particle for carrying the method are also described.
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Simunovic Josip
Swartzel Kenneth R.
Noland Thomas P.
North Carolina State University
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