Understanding Bernoulli Loss in Fluid Dynamics

In summary, Bernoulli's Principle is a fundamental concept in fluid dynamics that explains the relationship between fluid speed and pressure. It can be applied to various real-life applications, and Bernoulli loss, a mathematical representation of the principle, is used to calculate changes in pressure and velocity in fluid systems. While Bernoulli's Principle holds true in ideal fluid dynamics, it may be violated in real-life situations due to factors such as viscosity, turbulence, or compressibility. Therefore, it is crucial to consider these factors when applying Bernoulli's Principle in practical applications.
  • #1
danhall24
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"Bernoulli Loss"

Hi,

I am reading a fluid dynamics paper about dissipation due to turbulence in the fluid causing "Bernoulli loss". What exactly is meant by this? The Bernoulli principle concerns energy conservation. So, does Bernoulli loss simply refer to a loss of energy within the fluid (due to energy dissipation)?

Thanks
 
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  • #2


It means that when applying the Bernoulli equation to the fluid, you would need a head loss term to account for viscous dissipation because it is not covered by the standard Bernoulli equation. That isn't a very common term though.
 

1. What is Bernoulli's Principle?

Bernoulli's Principle is a fundamental concept in fluid dynamics that states that as the speed of a fluid increases, the pressure exerted by the fluid decreases, and vice versa.

2. How does Bernoulli's Principle apply to fluid dynamics?

In fluid dynamics, Bernoulli's Principle explains the relationship between the speed and pressure of a fluid. It states that as a fluid speeds up, the pressure exerted by the fluid decreases, and as the fluid slows down, the pressure increases.

3. What is Bernoulli loss?

Bernoulli loss, also known as Bernoulli's equation, is a mathematical representation of Bernoulli's Principle. It is used to calculate the change in pressure and velocity of a fluid flowing through a pipe or tube of varying diameter.

4. How is Bernoulli loss used in real-life applications?

Bernoulli's Principle and Bernoulli loss are used in various real-life applications, such as in aircraft design, hydraulic systems, and even in household appliances like vacuum cleaners. Understanding Bernoulli loss is crucial for engineers and scientists in designing and optimizing fluid systems.

5. Can Bernoulli's Principle be violated?

In ideal fluid dynamics, Bernoulli's Principle holds true. However, in real-life situations, there can be factors such as viscosity, turbulence, or compressibility that can cause deviations from Bernoulli's Principle. Therefore, it is essential to consider these factors when applying Bernoulli's Principle in practical applications.

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