Types of Fluids
In this video, we discuss the classification of fluids into five distinct types:
-
Ideal Fluid
- Definition: An incompressible fluid with zero viscosity.
- Examples: Water, oil, and petrol are considered ideal fluids as they are incompressible liquids.
-
Real Fluid
- Definition: An incompressible fluid that possesses viscosity.
- Note: Real fluids are commonly encountered in the universe, unlike ideal fluids, which are theoretical. For a deeper understanding of the differences between fluids, you can check out our summary on Understanding Solids and Liquids: Key Differences and Properties.
-
Newtonian Fluid
- Definition: A fluid where shear stress is directly proportional to the velocity gradient.
- Characteristics: Follows Newton's law of viscosity.
-
Non-Newtonian Fluid
- Definition: A fluid where shear stress is not proportional to the rate of shear strain.
- Characteristics: Does not adhere to Newton's law of viscosity. For more on fluid behavior, see our guide on Mechanical Properties of Fluids: A Comprehensive Guide to Bernoulli's Theorem and Applications.
-
Ideal Plastic Fluid
- Definition: A fluid where shear stress exceeds the yield value and is directly proportional to shear strain.
- Characteristics: Follows Newton's law but requires a certain yield stress to flow.
In summary, we have covered the five types of fluids, highlighting their unique properties and classifications. To understand the fundamental concepts that underpin these classifications, you may also find our summary on Understanding Physical Quantities: Fundamental and Derived Types helpful.
Hello friends, in this video we will see the types of fluid and what are they called. So let us start with
that. Here are the types of fluid. I can say that fluids are classified
into five types and those five types are the first one ideal
fluid, second real fluid, third Newtonian fluid, Fourth non-newtonian
fluid. Fifth one and the last one that is ideal plastic fluid. So fluids can be classified into five
different categories that is ideal fluid, real fluid, Newtonian fluid, non-newtonian fluid and ideal plastic
fluid. Now let me start with the first one that is ideal fluid. So I'll give the detailed description of
that fluid which is
incompressible and in which viscosity is zero.
low then it is called as an ideal
fluid. So here I have written the definition of ideal fluid. It is a fluid which is incompressible means either it
will be water or oil or we can say petrol in short liquids they are incompressible. So any liquid which has
its viscosity zero that would be called as ideal fluid.
Next, real fluid. A fluid which is
incompressible and in which viscosity is present.
then it is called as a real fluid. So as we say
that fluids which have viscosity they are called as real fluids and in the universe if we see we come across mostly
real fluids. Ideal fluids they are imaginary real fluids they exist. Next is Newtonian
fluid. A fluid in which sheer stress is directly
proportional to the velocity gradient is called Newtonian fluid. So a fluid in which sheer stress is
directly proportional to the velocity gradient it is called as Newtonian fluid. Next, non-newtonian
fluid. A fluid in which sheer stress is not
proportional to the rate of shear strain. is
called non-newtonian fluid. And the last one is ideal plastic fluid. A
fluid in which sheer stress is more
than the yield value and in
which sheer stress is directly proportional. to shear
strain is called as ideal plastic fluid. So here in this video we have
seen the types of fluid starting with ideal fluid. It was a fluid which was incompressible and in which the
viscosity was zero. Real fluid which is incompressible and viscosity is present. Newtonian fluid a fluid in which she
stress is directly proportional to the velocity gradient. In other words, this follows Newton's law of
viscosity. Non-Newtonian fluid. A fluid in which she stress is not proportional to the rate of shear strain. That is it
does not follow Newton's law of viscosity. And the last one ideal plastic fluid in which shear stress is
more than the yield value and in which shear stress is directly proportional to shear strain. That is ideal plastic
fluid. It also follows Newton's law but at the same time there is sheer stress we are having more than yield value. So
these were the five different types of fluids which we have seen in this video.
Heads up!
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