Effect Pressure In Main tube due to outlets

In summary: However, if you only have the flow rate between A and B, then the Darcy-Weisbach equation alone may not be sufficient to detect a leakage. In summary, the Darcy-Weisbach and Hagen-Poiseuille equations can be used together to detect leakage in a pipe by calculating pressure losses and flow rates.
  • #1
SaX
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I had to detect a Leakage in my pipe ,and i am really confused whether the Darcy Weisbach or Hagen-poiseuille
equation will be satisfied by the current criteria ,as described below:

I have a main tube with ends A and B and various outlets,suppose n outlets are present between A and B ,
I have the pressure at both A and B and flow rates can be measured at both A and B, and may be at all the outlets( If only flow rate between A and B are themselves not sufficient) ,if flow rates are measured a instant t.
Then flow rate must satisfy the Eq. A= B+ N outlets.

Hence is there is leakage there will be additional pressure loss and may be flow rate decrease
Can these those two relation help me out? all I have is capability to measure pressure and flow rate at each outlet

Is there a need to measure flow rates at each outlet won't the difference between A and B flow rate just enough?

Thanks
 
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  • #2
The Darcy-Weisbach equation is used to calculate pressure losses due to frictional losses in pipes, and is based on the properties of the fluid and the pipe diameter. The Hagen-Poiseuille equation is used to calculate the flow rate through a circular pipe and is based on the pressure difference across the pipe and the length of the pipe.If you have the pressure at both ends of the pipe and the flow rate between A and B, then you can use the Darcy-Weisbach equation to calculate the pressure losses due to friction in the pipe. If you also have the flow rates at each outlet, then you can use the Hagen-Poiseuille equation to calculate the flow rate through each outlet. This can help you identify any leakage, as there will be an additional pressure loss associated with the leak.
 

Related to Effect Pressure In Main tube due to outlets

1. What is the main tube in a pressure system?

The main tube in a pressure system is the primary channel through which the fluid or gas flows. It is typically the largest and strongest component of the system and is responsible for distributing the pressure to the outlets.

2. How are outlets connected to the main tube in a pressure system?

Outlets are typically connected to the main tube through branching pipes or channels. These connections must be designed to withstand the pressure and flow of the fluid or gas passing through them.

3. What is the effect of pressure in the main tube on outlets?

The pressure in the main tube has a direct effect on the outlets. As the pressure increases in the main tube, the force pushing the fluid or gas through the outlets also increases. This can affect the flow rate and pressure at each outlet.

4. Can the pressure in the main tube change over time?

Yes, the pressure in the main tube can change over time due to various factors such as changes in flow rate, temperature, or the addition or removal of fluid or gas from the system. This is why pressure systems must be carefully monitored and regulated.

5. How can I calculate the pressure in the main tube of a pressure system?

The pressure in the main tube can be calculated using the Bernoulli's equation, which takes into account factors such as fluid velocity, density, and height. Alternatively, pressure gauges can be installed at various points along the main tube to measure the pressure directly.

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