# What is Bernoulli’s principle Class 11?

What is Bernoulli’s Principle? Bernoulli’s principle states that. The total mechanical energy of the moving fluid comprising the gravitational potential energy of elevation, the energy associated with the fluid pressure and the kinetic energy of the fluid motion, remains constant.

## Is physics of fluids a good journal?

The overall rank of Physics of Fluids is 3103. According to SCImago Journal Rank (SJR), this journal is ranked 1.189. SCImago Journal Rank is an indicator, which measures the scientific influence of journals.

## What is important topics in fluid mechanics?

Under the section fluid mechanics in physics, clear basics of calorimetry, surface tension, buoyancy, hydrostatic pressure, critical velocity, Stokes’ law and terminal velocity, viscosity, Bernoulli’s theorem and its applications, Poiseuille’s Formula, etc.

## How do you calculate Bernoulli’s equation?

Bernoulli’s equation for static fluids p1+ρgh1=p2+ρgh2. p2=p1+ρgh1. This equation tells us that, in static fluids, pressure increases with depth. As we go from point 1 to point 2 in the fluid, the depth increases by h1, and consequently, p2 is greater than p1 by an amount ρgh1.

## What is a good impact factor?

In most fields, the impact factor of 10 or greater is considered an excellent score while 3 is flagged as good and the average score is less than 1. This is a rule of thumb. However, the wild card to pay attention to is that impact factor and comparing journals are most effective in the same discipline.

## Is physics of fluids Open Access?

Open Access Charges By electing to participate in Author Select® and paying a 3500 USD fee to support publication and archiving costs, authors may ask the journal to provide free online access to a published article, in perpetuity, to any online user.

## What is Newton’s law of viscosity?

Newton’s law of viscosity defines the relationship between the shear stress and shear rate of a fluid subjected to a mechanical stress. The ratio of shear stress to shear rate is a constant, for a given temperature and pressure, and is defined as the viscosity or coefficient of viscosity.

## What are the different types of fluids?

• Ideal fluid.
• Real fluid.
• Newtonian fluid.
• Non-Newtonian fluid.
• Ideal plastic fluid.
• Incompressible fluid.
• Compressible fluid.

## Why is it important to study fluid mechanics?

Fluid mechanics helps us understand the behavior of fluid under various forces and at different atmospheric conditions, and to select the proper fluid for various applications. This field is studied in detail within Civil Engineering and also to great extent in Mechanical Engineering and Chemical Engineering.

## How do you calculate Q flow rate?

In order to determine the Flow Rate represented as Q, we must define both the volume V and the point in time it is flowing past represented by t, or Q = V/t. Additionally Flow rate and velocity are related by the equation Q = Av where A is the cross-sectional area of flow and v is its average velocity.

## How do I calculate flow speed?

Flow rate and velocity are related by Q=A¯v where A is the cross-sectional area of the flow and v is its average velocity.

## What is the formula to calculate the flow of water?

To calculate the water flow (in m3/s) multiply the average water velocity by the average cross-section. To express this water flow in litres per second (l/s), multiply the result (in m3/s) by 1000. 0.486 m3/s x 1 000 = 486 l/s.

## What is Z in Bernoulli’s equation?

z is the elevation of the point above a reference plane, with the positive z-direction pointing upward—so in the direction opposite to the gravitational acceleration, p is the pressure at the chosen point, and. ρ is the density of the fluid at all points in the fluid.

## Why is Bernoulli’s equation used?

Bernoulli’s equation can be viewed as a conservation of energy law for a flowing fluid. We saw that Bernoulli’s equation was the result of using the fact that any extra kinetic or potential energy gained by a system of fluid is caused by external work done on the system by another non-viscous fluid.

## What is the unit of Bernoulli’s equation?

so ρgh is the gravitational potential energy per unit volume. Note that pressure P has units of energy per unit volume, too. Since P = F/A, its units are N/m2.

## Is 7 a good impact factor?

In most fields, the impact factor of 10 or greater is considered an excellent score while 3 is flagged as good and the average score is less than 1.

## What is a Tier 1 journal?

Tier 1. High category (3.5-4) Peer-reviewed publications in one of the following: • Journal with Impact factor that falls in the top 25 percentile ranking based on the impact. factor within the subject, discipline, or sub-disciplinary category (refer to APPENDIX.

## How many citations is good for a paper?

With 10 or more citations, your work is now in the top 24% of the most cited work worldwide; this increased to the top 1.8% as you reach 100 or more citations. Main take home message: the average citation per manuscript is clearly below 10!

## What is AIP physics of fluids?

Physics of Fluids (PoF) is a preeminent journal devoted to publishing original theoretical, computational, and experimental contributions to the understanding of the dynamics of gases, liquids, and complex or multiphase fluids. Both curiosity-driven and applied advances are received with enthusiasm.

## Is honey a Newtonian fluid?

Although most honeys are Newtonian fluids, interesting shear-thinning and thixotropic as well as anti-thixotropic behaviour have been described for some types of honey. Rheological parameters have also been successfully applied to identify honey adulteration and to discriminate between different honey types.

## What is shear stress in fluid?

Definition of shear stress – Shear stress is defined as a force per unit area, acting parallel to an infinitesimal surface element. Shear stress is primarily caused by friction between fluid particles, due to fluid viscosity.

## Is viscosity dependent on temperature?

Viscosity depends strongly on temperature. In liquids it usually decreases with increasing temperature, whereas, in most gases, viscosity increases with increasing temperature.

## What are 5 examples of fluids?

• Water.
• Air.
• Blood.
• Mercury.
• Honey.
• Gasoline.
• Any other gas or liquid.

## What are fluids 5 examples?

The substances which can flow easily are called fluids. all liquids and gases are fluids . example – water, oil, air etc.

## Is water a real fluid?

Water is real fluid because it has the least viscosity. Any fluid having viscosity is real fluid.