Experiment
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- Date Submitted: 10/27/2013 12:54 PM
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KWAME NKRUMAH UNIVERSITYOF SCIENCE AND TECHNOLOGY
COLLEGE OF SCIENCE
DEPARTMENT OF PHYSICS
AN EXPERIMENT PERFORMED TO DETERMINE THE RATE OF VISCOSITY OF WATER, METHANOL AND DIFFERENT COMPOSITIONS OF WATER–METHANOL MIXTURES, USING THE FALLING BALL VISCOMETER
DATE: 15/10/2013
GROUP 1
KWAKYE SAMUEL KWABENA 8060912
ANDZIE – BOATENG STELLA 5043910
ABSTRACT
The viscosity of a fluid is an important property in the analysis of liquid behavior and fluid motion near solid boundaries. The viscosity is the fluid resistance to shear or flow and is a measure of the adhesive and cohesive or frictional fluid property.
The resistance is caused by intermolecular friction exerted when layers of fluid attempt to slide by one another. Viscosity is a measure of a fluids resistance to flow.
A Newtonian fluid is a fluid whose stress versus strain rate curve is linear and passes through the origin. The constant of proportionality is known as the viscosity.
For a Newtonian fluid, the viscosity, by definition, depends only on temperature and pressure and also on the chemical composition of the fluid if the fluid is not a pure substance not on the forces acting upon it.
Due to internal friction among their particles, liquids and gases have different viscosities. The viscosity, a function of the substance’s structure and its temperature can be experimentally determined, for example, by measuring the rate of fall of a ball in a tube filled with the liquid to be investigated.
EXPERIMENTAL SET-UP: VISCOSITY MEASUREMENTS WITH THE FALLING BALL VISCOMETER
THEORY AND EVALUATION
The dynamic viscosity ὴ of a liquid is defined by the force F...
COLLEGE OF SCIENCE
DEPARTMENT OF PHYSICS
AN EXPERIMENT PERFORMED TO DETERMINE THE RATE OF VISCOSITY OF WATER, METHANOL AND DIFFERENT COMPOSITIONS OF WATER–METHANOL MIXTURES, USING THE FALLING BALL VISCOMETER
DATE: 15/10/2013
GROUP 1
KWAKYE SAMUEL KWABENA 8060912
ANDZIE – BOATENG STELLA 5043910
ABSTRACT
The viscosity of a fluid is an important property in the analysis of liquid behavior and fluid motion near solid boundaries. The viscosity is the fluid resistance to shear or flow and is a measure of the adhesive and cohesive or frictional fluid property.
The resistance is caused by intermolecular friction exerted when layers of fluid attempt to slide by one another. Viscosity is a measure of a fluids resistance to flow.
A Newtonian fluid is a fluid whose stress versus strain rate curve is linear and passes through the origin. The constant of proportionality is known as the viscosity.
For a Newtonian fluid, the viscosity, by definition, depends only on temperature and pressure and also on the chemical composition of the fluid if the fluid is not a pure substance not on the forces acting upon it.
Due to internal friction among their particles, liquids and gases have different viscosities. The viscosity, a function of the substance’s structure and its temperature can be experimentally determined, for example, by measuring the rate of fall of a ball in a tube filled with the liquid to be investigated.
EXPERIMENTAL SET-UP: VISCOSITY MEASUREMENTS WITH THE FALLING BALL VISCOMETER
THEORY AND EVALUATION
The dynamic viscosity ὴ of a liquid is defined by the force F...