rotational flows

[/roʊˈteɪʃənəl floʊz/]
nounpl: rotational flows
fluxos rotatórios
1. Fluid motion characterized by the rotation of fluid particles around their own axes, where the fluid elements have angular velocity and vorticity
The rotational flows in the tornado created a powerful vortex that lifted debris high into the atmosphere.
Os fluxos rotatórios no tornado criaram um vórtice poderoso que elevou os detritos para a atmosfera.
2. In fluid dynamics, flows where the curl of the velocity field is non-zero, contrasting with irrotational flows
Engineers studied the rotational flows around the turbine blade to optimize its efficiency.
Os engenheiros estudaram os fluxos rotatórios ao redor da pá da turbina para otimizar sua eficiência.
3. Circular or spiral motion of fluids in natural phenomena such as whirlpools, cyclones, or water drains
The rotational flows in the ocean created a dangerous maelstrom that ships had to avoid.
Os fluxos rotatórios no oceano criaram um maelstrom perigoso que os navios tinham que evitar.
This is primarily a technical term used in engineering, fluid mechanics, and meteorology in both Brazilian and American scientific communities. It appears frequently in academic journals, engineering textbooks, and weather-related discussions. In Brazil, this terminology is essential in industries dealing with hydroelectric power, petroleum extraction, and weather forecasting. The term is discipline-specific and not commonly used in everyday conversational Portuguese or English.
Synonyms / Sinônimos
vortical flowsswirling flowscircular flowswhirling motionrotatory motion
Antonyms / Antônimos
irrotational flowspotential flowslaminar flowsstraight flows

Regional Variations

General Brazilian
fluxos rotatórios
Standard technical terminology used in Brazilian engineering and physics texts
São Paulo
fluxos rotatórios / escoamentos rotativos
Both terms commonly used in São Paulo's industrial and academic sectors
Rio de Janeiro
fluxos rotatórios
Used in oceanographic and meteorological research centers
Portugal
escoamentos rotativos
Portuguese prefer 'escoamentos' over 'fluxos' in technical contexts

Related Words

vorticityangular velocityturbulencefluid dynamicsCoriolis effectcirculationeddycyclone

Related Idioms & Phrases

a rotational flow of events
caught in the rotational flows of change
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