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Why do these strange fluids become more viscous as they shake? Learn the secret of "abnormal viscosity"!
In daily life, we often come into contact with different types of fluids, such as juices, oils or certain gels. The viscosity of these fluids sometimes changes in response to the forces we exert on them, a phenomenon known as "abnormal viscosity." Specifically, the characteristics of fluid viscosity changing with time are divided into two major types: Thixotropic fluid and Rheuopectic fluid. These fluids not only attract widespread attention in scientific research, they also have broad potential for industrial applications.
Lai Shi Fluid: The more it shakes, the thinner it becomes
Raish fluid is a special non-Newtonian fluid whose viscosity decreases with time and shear strain. When this fluid is subjected to constant shear, its internal structure begins to break down, causing the fluid to become even thinner. This property can be seen in many products in daily life, such as the ketchup we use.
Some fluids that appear thick under static conditions will become more and more fluid after being shaken or stirred, and will return to a viscous state over time when no force is applied.
Application scope of Laishi fluid
Laishi fluids have a wide range of applications. Cytoplasm in the human body, synovial fluid in joints, and many things like honey and clay in some soils are examples of fluids. Industrially, these fluids also play an important role in drilling muds, semi-solid castings, and electronics manufacturing. Especially in some ink and pigment applications, Laish fluids can provide the required fluidity and stability to ensure uniform coating.
Stagnation fluid: the more it is shaken, the thicker it becomes
In contrast to Laish fluids, stagnant fluids become more viscous with time under the influence of shear stress, making them also attractive for applications. As a stagnant fluid faces continued application of shear, its internal structure gradually thickens until it eventually becomes solid.
The thickening properties of stagnant fluids make them potentially valuable in certain applications, especially in materials that need to absorb shock.
Application examples of stagnant fluid
There are few examples of stagnant fluids, but their application potential is attracting researchers' interest. Certain types of gypsum slurries, lubricants, and printing inks exhibit stagnation. Scientists are actively studying the application of these fluids in shock-proof materials and equipment, which may bring significant advantages to improving the safety of sporting goods and automobiles.
The scientific significance of laishi and stagnation
The research on Laishi fluids and stagnant fluids goes beyond practical applications and reveals the relationship between fluid dynamics and material science in greater depth. By understanding the microstructure and reaction mechanisms of these fluids, scientists can discover more potential industrial applications and analyze the impact of fluid behavior on specific engineering applications.
Conclusion
As we learn more about the properties of these strange fluids, we may be able to invent more innovative applications that will change our lives. From ketchup to high-tech materials, our lives are filled with traces of stagnant and stagnant fluids. How will these fluids change our physical world in the future?
