What is fluid question answer?
A state of matter, such as liquid or gas, in which the component particles (generally molecules) can move past one another.
Who is the father of fluid mechanics?
Ludwig Prandtl (1875–1953) has been called the father of modern aerodynamics. His name is associated most famously with the boundary layer concept, but also with several other topics in 20th-century fluid mechanics, particularly turbulence (Prandtl’s mixing length).
What is fluid mechanics formula?
Flow rate and velocity are related by Q = Av where A is the cross-sectional area of the flow and v is its average velocity. The equation of continuity states that for an incompressible fluid, the mass flowing into a pipe must equal the mass flowing out of the pipe.
What is Navier Stokes equation in fluid mechanics?
Navier-Stokes equation, in fluid mechanics, a partial differential equation that describes the flow of incompressible fluids. The equation is a generalization of the equation devised by Swiss mathematician Leonhard Euler in the 18th century to describe the flow of incompressible and frictionless fluids.
When the force P is applied to the plate the velocity profile?
When the force P is applied to the plate, the velocity profile for a Newtonian fluid that is confined under the plate is approximated by u=(12yλ/4) u = ( 12 y λ / 4 ) mm/s, where y is in mm.
What is viscosity of fluid?
Viscosity is the resistance of a fluid (liquid or gas) to a change in shape or movement of neighbouring portions relative to one another. Viscosity denotes opposition to flow.
What are the types of fluid?
Types of Fluids
- Ideal fluid. A fluid is said to be ideal when it cannot be compressed and the viscosity doesn’t fall in the category of an ideal fluid.
- Real fluid.
- Newtonian fluid.
- Non-Newtonian fluid.
- Ideal plastic fluid.
- Incompressible fluid.
- Compressible fluid.
- Steady or Unsteady Flow.
What type of fluid is water?
Water and oil are examples of Newtonian fluids.
What is fluid and its types?
A Fluid is a substance that continually flows when an external force is applied. Fluids generally include liquids, gases and plasmas. To some extent, plastic solids are also considered fluids.
What is fluid continuum?
2 The Fluid Continuum Hypothesis. Fluids, like all matter, consist of molecules separated by empty space. However, the mathematical determination of fluid properties, like mass density, assumes a smooth approach to the limit, as the sampling volume becomes smaller.
Is fluid mechanics useful for a core company interview?
This article of Fluid Mechanics questions and answers will be helpful to you when you are going for an interview in a core company. Considering that, I had collected all the Fundamentals of Fluid Mechanics & Hydraulic Machinery which will be helpful to you in both aspects.
What is the use of Froude number in fluid mechanics?
57. What is the use of a Froude number? Froude number is used for the model analysis of free surface flows. 58. For what types of fluids, the boundary-layer takes place? 59. When the Reynolds number is greater than 5 x 105, the boundary layer is called as? Turbulent boundary layer. 60. Where the laminar sub-layer exists? 61.
What is fluid?
1. What is fluid? It is a substance that deforms continuously for a small amount of shear force also whereas solids cannot deform with a small amount of shear force and thereby they can’t come under fluids. 2. What is the Density?
Why are shear thickening fluids called steady flow fluids?
For these fluids, viscosity increases with an increase in time hence they will be called shear thickening fluids. For these Fluids, the viscosity decreases with the lapse of time. 14. What is Steady flow?