contraction coefficient
[kən-ˈtrak-shən ˌkō-ə-ˈfi-shənt]
nounpl: contraction coefficients
coeficiente de contração
1. A dimensionless number that represents the ratio of the actual cross-sectional area of a fluid jet to the area of the orifice through which it flows, used in hydraulics and fluid mechanics
The contraction coefficient for water flowing through a sharp-edged orifice is typically around 0.61.
O coeficiente de contração para água fluindo através de um orifício de borda afiada é tipicamente cerca de 0,61.
2. A parameter in fluid dynamics that accounts for the vena contracta phenomenon, where a fluid stream narrows after passing through an opening
Engineers must account for the contraction coefficient when designing hydraulic systems to ensure accurate flow rate calculations.
Os engenheiros devem levar em conta o coeficiente de contração ao projetar sistemas hidráulicos para garantir cálculos precisos da taxa de fluxo.
This is a specialized technical term used primarily in engineering, hydraulics, and fluid mechanics disciplines. It is equally recognized and used in both Brazilian and American engineering contexts, with minimal regional variation except for Portuguese spelling conventions in Portugal.
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