👉 A combined fluid, also known as a mixed fluid or simply fluid, is a mixture of two or more immiscible liquids that are physically combined but not chemically bonded. This fluid typically consists of a liquid phase and a dispersed phase, where one phase is suspended within the other. Examples include oil and water, where oil droplets are dispersed in water, or oil-in-water emulsions. The properties of a combined fluid, such as density, viscosity, and surface tension, are influenced by the relative volumes and physical interactions of the constituent phases. Understanding these properties is crucial in various applications, including chemical engineering, environmental science, and industrial processes where separation and manipulation of fluid mixtures are necessary.