These Parameters are Timelines, Pathlines, Streaklines, and Streamlines.įluid flow is said to non-Uniform if the Velocity of fluid changes with Space. To Start Our Study for Fluid Flow, let us first learn about different Parameters in fluid flow. All the Prediction for the Fluid flow behavior is made with the use of Softwares that use Numerical Techniques to Approximate the behavior of flow at a given instant. Fluid flow Patterns can be classified but can’t be accurately predicted at an Instant of time. Flow from Low-Pressure to High-pressure region can be achieved with External Driving force, such as Pump, Etc. The Natural Flow of Fluid Occurs from High-pressure to Low-Pressure to equalize the pressure difference at these two points. The question arises, what is the reason for the flow of Fluid? And can we predict the Fluid flow behavior at every condition? Fluid Flows from One Point to another because of the Pressure difference between the two Points. This is the main difference between Solid and fluid.įig: Shear Stress Behaviour Driving Force for Fluid Flowįlow Characteristics of Fluid lead to various Phenomena such as Cyclone, Change in Weathers, Cooling of Internal Combustion Engine, and many more things. Fluid tends to Deform continuously under the action of Shear stress, and the variation of Shear stress is not Linear with Deformation. Hence, their shear stress varies linearly with bending or deformation. Solids tend to bend and deform under the action of Shear stress. It defines the flow property of fluid and how its behaviour is different from solids. To group their Behaviour into a more straightforward manner, we use the property called Shear stress. We can note many differences between them as we closely observe their Behaviour under various conditions. Because of their difference in properties, we have Solid Mechanics for Solid and Fluid Mechanics for Fluid. Solid and fluid differ in their behavior and don’t follow the rules of Physics in the same manner. Type of Fluid Viscosity Density 1 Ideal Fluid Zero Constant 2 Real Fluid Non-Zero Variable 3 Newtonian Fluid Non-Zero and have definite formula Can be either Constant or variable 4 Non-Newtonian Fluid Non-Zero and formula depends on type of Non-Newtonian fluid Can be either constant or Variable 5 Compressible Fluid Zero/Non-Zero Variable 6 Incompressible Fluid Zero/Non-Zero Constant Solid vs Fluid: Differences Between Them The below Classification list the Property of different fluids on the basis of their Viscosity and density: S.no. To Classify and have a better understanding of classification, Consider the Following Equation:
It resists the fluid flow and induces a relative motion between the subsequent fluid layers. Viscosity is like frictional force present in Solid Particles, which resist the Motion of Solid. The Behaviour is analyzed with the help of Quantity called Viscosity and density of Fluid. Types of Fluidsįluids are classified based on their behavior under Shear stress. In this article, we will be discussing types of fluid and the difference between solid and fluid in brief and then move onto types of Fluid flow. It becomes essential to understand different types of Fluid and the difference between fluid and solid for better understanding and visualization of types of fluid flow. The substance that tends to flow under certain given conditions is called fluid. All the matters on earth can be classified based on their behavior into two categories, i.e., Solid and Fluid. The fluid is a matter that tends to deform continuously under Shear Stress. 1-D, 2-D, and 3-D Fluid flow: Introduction to Fluid Solid vs Fluid: Differences Between Them.
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