Flow tracer

Image of the Gulf Stream obtained by the Moderate-Resolution Imaging Spectroradiometer. The false colors in the image represent

Fluorescein in the Chicago River on the St. Patrick's Day (added for celebration, rather than tracing).

A flow tracer is any fluid property used to track flow. The concentration of a chemical compound in the fluid can be used as a chemical tracer, and characteristics such as temperature are physical tracers. Tracers may be artificially introduced, like dye tracers, or they may be naturally occurring; radioactive tracers may be either. Conservative tracers remain constant following fluid parcels, whereas reactive tracers (such as compounds undergoing a mutual chemical reaction) grow or decay with time.

单词	Flow tracer
释义	Flow tracer 英语百科 Flow tracer A flow tracer is any fluid property used to track flow. The concentration of a chemical compound in the fluid can be used as a chemical tracer, and characteristics such as temperature are physical tracers. Tracers may be artificially introduced, like dye tracers, or they may be naturally occurring; radioactive tracers may be either. Conservative tracers remain constant following fluid parcels, whereas reactive tracers (such as compounds undergoing a mutual chemical reaction) grow or decay with time.
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