Question Involving Fluid Speed.

In summary, when water with air bubbles flows through a pipe that gets narrower, the air bubbles will get larger due to the decrease in pressure caused by the faster moving water. This is based on Bernoulli's equation, which states that the pressure of a fluid decreases as its speed increases. This means that the bubbles will be able to expand as the pressure acting on them is now lower. Kevin confirms that this understanding is correct.
  • #1
kevinnn
119
0

Homework Statement


Water with air bubbles in it flows through a pipe that is wide and then gets narrower. As the water gets to the narrower section will the air bubbles get larger, smaller, or not change?


Homework Equations


Bernoulli's equation. I tried to write it out but I was not sure how to do it without it looking messy and I don't have Microsoft Word on this computer.


The Attempt at a Solution


I said that they will get larger because the pressure of a fast moving fluid is less than a slower moving fluid. with this in mind the bubbles would be able to expand because the pressure acting on them is now less. Is this correct? Thanks.

-Kevin
 
Physics news on Phys.org
  • #3
Cool thanks.
 

Related to Question Involving Fluid Speed.

1. How is fluid speed measured?

Fluid speed is typically measured using a device called a flow meter. This instrument measures the rate of flow of a fluid, typically in units of volume per unit of time. There are various types of flow meters, such as venturi meters, pitot tubes, and electromagnetic flow meters, which use different principles to measure fluid speed.

2. What factors affect fluid speed?

The speed of a fluid is affected by several factors, including the type of fluid, the density of the fluid, and the viscosity of the fluid. Other factors such as the shape and size of the container, the temperature of the fluid, and the presence of any obstacles or barriers can also affect fluid speed.

3. What is the equation for calculating fluid speed?

The equation for calculating fluid speed is v = Q/A, where v is the fluid speed, Q is the volume flow rate, and A is the cross-sectional area of the pipe or container through which the fluid is flowing. This equation is known as the continuity equation and is based on the principle of conservation of mass.

4. How does fluid speed affect the pressure of a fluid?

According to Bernoulli's principle, as the speed of a fluid increases, its pressure decreases. This means that when the fluid speed is high, the pressure is low, and vice versa. This principle is often used in applications such as airplane wings and carburetors, where the shape of the object is designed to increase fluid speed and decrease pressure.

5. What are some real-world applications of fluid speed?

Fluid speed is a crucial factor in many real-world applications, such as in the design of pumps and turbines, the flow of blood in the human body, and the operation of hydraulic systems. It is also used in industries such as aerospace, automotive, and environmental engineering. Understanding fluid speed is essential for optimizing the performance of these systems and ensuring their safe and efficient operation.

Similar threads

Fluid Forces in a Manometer: Understanding Pressure and Kinetic Energy
    • Introductory Physics Homework Help
Replies
2
Views
707
Can you please explain Bernoulli's equation?
    • Introductory Physics Homework Help
2
Replies
61
Views
3K
Initial Position Discrepancy Involving Fluid Resistance
    • Introductory Physics Homework Help
Replies
5
Views
917
Bernoulli equation / fluid flow / finding height
    • Introductory Physics Homework Help
Replies
6
Views
1K
Formula derivation connecting vertical water flowrate & horizontal distance moved by a suspended sphere
    • Introductory Physics Homework Help
6
Replies
207
Views
3K
Determine Force on 6ft Door Due to Water & Air Pressure
    • Introductory Physics Homework Help
Replies
7
Views
1K
I Work - Energy Principle Application to Fluid Flow
    • Classical Physics
2
Replies
35
Views
2K
The Pressure Distribution in a Narrowing Tube with Increasing Fluid Velocity
    • Introductory Physics Homework Help
Replies
10
Views
4K
Fluid Flow rate and fluid dynamics
    • Introductory Physics Homework Help
Replies
15
Views
2K
Calculating Air Speed Diff. of Plane Lifts
    • Introductory Physics Homework Help
Replies
6
Views
1K

Hot Threads

Recent Insights

Back
Top