# The correlation between vibration and flow rate

• tony_engin
In summary, the conversation discusses the potential for vibration induced by varying flow rates of water through a sprinkler or tube. It is mentioned that the type and intensity of these vibrations may depend on factors such as the type of flow and the plumbing system. It is suggested that intuition, analytical equations, and experimental results may all play a role in determining the level of vibration. However, it is also noted that the specific details of the system and potential factors like cavitation or immersed bodies may impact the results. The conversation then focuses on a specific scenario of a constant increase or decrease in flow rate, with the question being raised as to whether this would lead to more vibration in the pipe.
tony_engin
Hi all.
Suppose I am increasing the flow rate of the water through a sprinkler or a tube, there should be some vibration induced by this increment of flow rate, right?
On the other hand, if I decrease the flow rate of the water through the same sprinker, there should also be vibration induced by this decrement of flow rate, isn't?
So, in general, which type of vibration would be greater in these two cases? Intuition? Analytical equations? Experimental results?

Last edited:
In a short response...it all depends. What exactly are you getting at here? Describe your system in more detail. The flow induced vibrations are going to be very dependent on the kind of flow you have, the plumbing system itself and other factors. It also depends on what vibrations you are referring to.

Intuition should tell you that as the flow rate increases, the frequency of the vibrations as well as the amplitude should also increase if we are talking no system resonances or structural resonances. If you start to throw in things like cavitation or immersed bodies in the flow stream, all bets are off.

Actually it is a pipe flow problem.
If the flow rate is constantly increasing, will it cause more vibration on the pipe than decreasing the flow rate constantly?

## What is the correlation between vibration and flow rate?

The correlation between vibration and flow rate is a relationship between the frequency and intensity of vibrations and the rate at which a fluid flows through a pipe or channel. It describes how changes in vibration affect the flow rate of a fluid.

## How does vibration affect flow rate?

Vibration can affect flow rate by creating turbulence in the fluid, which can either increase or decrease the flow rate. Vibrations can also cause changes in the fluid's viscosity, which can impact how easily it flows through a pipe or channel.

## What types of vibrations can impact flow rate?

There are several types of vibrations that can impact flow rate, including mechanical vibrations caused by pumps or motors, acoustic vibrations from nearby machinery, and natural vibrations from wind or seismic activity.

## What factors can influence the correlation between vibration and flow rate?

The correlation between vibration and flow rate can be influenced by a variety of factors, such as the type of fluid being used, the size and shape of the pipe or channel, and the intensity and frequency of the vibrations. Other factors such as temperature, pressure, and the presence of any impurities in the fluid can also play a role.

## How is the correlation between vibration and flow rate studied?

The correlation between vibration and flow rate is typically studied through experimental methods, where the vibration and flow rate are measured and analyzed under controlled conditions. Mathematical models and simulations can also be used to understand and predict the relationship between vibration and flow rate.

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