![]() This increase in energy losses can cause a decrease in system efficiency and an additional strain on motors and other ‘driving’ parts of a system.Īs the viscosity increases, the shear stress between layers of fluid increases, and with that, the frictional force increases as well. Viscosity also creates additional turbulence and causes greater energy losses in fluid flow systems. ![]() For example, increased viscosity makes it more difficult for fluids to be pumped, and will cause build up in the pipes and cause drag on moving objects such as bearings and pistons. This means that it takes more force to move the fluid, resulting in a slower and less efficient flow. When the viscosity of a fluid increases, the resistance of the fluid to flow also increases. Gases also have their own viscosity rating and can be either low or high on the viscosity scale.Įxamples of low-viscosity gases include helium, hydrogen and natural gases like methane or propane. Low viscosity fluids are also ideal for use as lubricants and have a range of other commercial applications. ![]() These liquids have a tendency to flow freely and are often used in hydraulic applications. Examples of low-viscosity liquids include water, mineral oil, vegetable oil, and rubbing alcohol. Low viscosity is a term used to describe a substance that has a low resistance to flow. High viscosity products are used for a variety of applications, including sealing, labeling, coating, adhesives and many more. High viscosity products can also be enhanced with different additives, such as additives that can make viscous products more heat-stable and more resistant to degradation. These products are preferred by industrial and consumer products companies for their potential to reduce bleeding and shear thinning, uniform coverage, and consistent application.Īdditionally, manufacturers of high viscosity products can usually adjust their products’ viscosity to accurately match the product’s desired consistency. Typical examples of these products include molasses, paint, honey, tar, Silly Putty, tar, toffee, toothpaste and pudding, to name a few. This type of product is particularly useful in a variety of industries, as they normally will not move or flow quickly due to their thick, semi-solid consistency. High viscosity products refer to material or substances that are thick or highly resistant to flow. On the other hand, water has very little molecular correlation and its molecules slip past each other with little resistance, resulting in a low viscosity. ![]() For example, honey is a highly viscous liquid because the individual molecules are strongly correlated with each other due to the long-chain sugars which make up the bulk of the material.Īs a result, the molecules are very difficult to pull apart and the honey flows very slowly. The viscosity of a fluid is determined by its molecular structure and the strength of the forces between the molecules. Low viscosity fluids, on the other hand, are associated with substances such as water and other light liquids like gasoline and alcohol. Examples of fluids with high viscosity include molasses, honey, and varnish, as well as vegetable oils and petroleum-based lubricants. ![]() High viscosity is a characteristic of fluids which exhibit a relatively high resistance to flow, whereas low viscosity is associated with fluids which flow easily. ![]()
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