At a molecular level, viscosity is a result the interaction between the different molecules in a fluid.This can be also understood as friction between the molecules in the fluid. Just like in the case of friction between moving solids, viscosity will determine the energy required to make a fluid flow.
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from Wikipedia, the free encyclopedia. Viscosity is a measure of the resistance of a fluid to deformation under shear stress. It is commonly perceived as thickness, or resistance to pouring. Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is thin, having a low viscosity, while vegetable oil is thick having a high viscosity.
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The formula for measuring viscosity: viscosity = shear stress/ shear rate. A shear stress is defined as the component of stress coplanar with a material cross section. Shear stress arises from the force vector component parallel to the cross section.
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Temperature has a major effect on viscosity — so much so that measurements of this quality for fluids are always given with temperatures. In liquids, it decreases with temperature, as can be seen if syrup or honey is heated.
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Honey in part is more viscous (thick) than water due to strong inter-molecular forces. However in addition the structure of glucose, fructose and other saccharine are large in size compared to water molecules and can become entangled. Viscosity describes how a fluid resists forces, or more specifically shear forces. Shear is the type of force that occurs when two objects slide parallel to one another. Fluids with low viscosity have a low resistance to shear forces, and therefore the molecules flow quickly and are easy to move through. A fluid that has no resistance to shear stress is known as an ideal fluid or inviscid fluid. Zero viscosity is observed only at very low temperatures.
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Adorable animal families that will make you aww. Viscosity is a scientific term that describes the resistance to flow of a fluid. The fluid can be a liquid or a gas, but the term is more commonly associated with liquids.
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Viscosity is defined as. Viscosity of often referred to as the thickness of a fluid. You can think of water (low viscosity) and honey (high viscosity). However, this definition can be confusing when we are looking at fluids with different densities.
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the resistance to flow! Viscosity of often referred to as the thickness of a fluid. You can think of water (low viscosity) and honey (high viscosity). However, this definition can be confusing when we are looking at fluids with different densities.
http://www.rheosense.com/what-is-viscosity
The viscosity of a liquid is a measure of the difficulty which molecules have passing each other in a fluid. It is dependent upon the size and shape of the molecules and by the magnitude of the cohesive forces and intermolecular bonds such as hydrogen bonding.
http://www.edinformatics.com/math_science/what_is_viscosity.htm
Top 10 unbelievable historical concurrencies. Viscosity is a scientific term that describes the resistance to flow of a fluid. The fluid can be a liquid or a gas, but the term is more commonly associated with liquids. As a simple example, syrup has a much higher viscosity than water: more force is required to move a spoon through a jar of syrup than in a jar of water because the syrup is more resistant to flowing around the spoon.
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what is viscosity
Viscosity is a scientific term that describes the resistance to flow of a fluid. The viscosity is a scientific term that describes the resistance to flow of a fluid.