👉 The offline fluid, also known as the pre-rheological fluid or yield stress fluid, is a non-Newtonian fluid that exhibits a significant viscosity increase when subjected to low shear rates or when deformed mechanically. Unlike Newtonian fluids, which have a constant viscosity regardless of shear rate, the offline fluid requires a certain threshold of stress or strain to transition from a fluid-like state to a more solid-like state. This behavior is due to the presence of particles or polymers within the fluid that form temporary networks or structures when the applied force exceeds a critical value, leading to enhanced resistance to flow. This property makes offline fluids useful in various industrial applications, such as in the processing of paints, coatings, and food products, where controlled flow characteristics are essential.
