interfacial tension
[/ˌɪntərˈfeɪʃəl ˈtɛnʃən/]
nounpl: interfacial tensions
tensão interfacial
1. The force per unit length acting at the interface between two immiscible fluids or between a fluid and a solid, resulting from the imbalance of molecular forces at the boundary
The interfacial tension between oil and water determines how readily they can mix in an emulsion.
A tensão interfacial entre óleo e água determina o quão facilmente eles podem se misturar em uma emulsão.
2. A physical property that measures the energy required to create a new interface between two phases
Surfactants reduce interfacial tension by accumulating at the interface between phases.
Os surfactantes reduzem a tensão interfacial acumulando-se na interface entre as fases.
3. In chemistry and physics, the tension that exists at liquid-liquid, liquid-gas, or solid-liquid boundaries
Interfacial tension is critical in petroleum extraction and chemical processing applications.
A tensão interfacial é crítica em aplicações de extração de petróleo e processamento químico.
This is a specialized scientific and technical term used primarily in academic, industrial, and research contexts in both Brazil and the USA. It is fundamental in petroleum engineering, chemical engineering, and materials science. In Brazilian universities and petrochemical industries, particularly in Rio de Janeiro and São Paulo, this term is essential in studying emulsions, fluid dynamics, and interface chemistry.
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