jet flow

English

Etymology

From jet +‎ flow.

Noun

jet flow (plural jet flows)

  1. (physics) A high-momentum stream of fluid (liquid or gas) exiting a nozzle or opening into a surrounding medium; characterized by high velocity, a narrow profile, and the ability to entrain (pull in) surrounding fluid as it travels, creating complex mixing and heat transfer, seen in applications from aircraft engines to HVAC systems.

Usage notes

Jet flows differ from the atmospheric jet streams, which are high-altitude air currents driven by temperature differences; though both involve fast-moving fluids.

Further reading

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