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A Question About the Flow of Natural Gas in a Junction

05/29/2012 4:52 AM

A question about the flow of natural gas in a junction

There is a junction with two inlet and one outlet . in the inlet one of the ways is in the pressure 70 bar and the other one is in 69 bar . the outlet way is in 68 bar . what is the ratio of flow between two inlet ways ?

tanks a lot

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Guru
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#1

Re: A Question About the Flow of Natural Gas in a Junction

05/29/2012 10:16 AM

It looks like a homework question.

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#3
In reply to #1

Re: A Question About the Flow of Natural Gas in a Junction

05/29/2012 12:15 PM

my question's condition is happen in the gas compressor stations. there is a pipe in the outlet of the compressor and divides in to two lines. one of the lines have an orifice that makes a pressure drop. then these two lines unify. I want to know that what is the mass ratio of gas from these two lines ?

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Guru
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#5
In reply to #3

Re: A Question About the Flow of Natural Gas in a Junction

05/30/2012 11:05 AM

There are several questions in my mind which you have to answer:

1. Pipe sizes?

2. How connected, Y or T shape? Which line is stem of T?

3. If both branches have to join after few meters, why at all it is bifurcated?

4. Why orifice? What is it's function intended?

5. Why at all you need this information?

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#6
In reply to #5

Re: A Question About the Flow of Natural Gas in a Junction

05/31/2012 5:44 PM

I think you don't know any thing about the subject. because your questions are not technical and are not relevant to my question.

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Guru
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#7
In reply to #6

Re: A Question About the Flow of Natural Gas in a Junction

06/02/2012 3:32 AM

Dear hosseinmmedifer,

Here you are showing rudeness. You should ask question with humility. After all people in the forum spend their time to understand the question and answer it. Can you explain

1. How you concluded that I don't know any thing about the subject?

2. How you can say that my questions are not technical?

3. How you can say that my questions are not relevant to your question?

In fact, unless you answer my first two questions, it is difficult to answer your question. Other three questions are just out of curiosity for sake of information which you may choose not to answer it, but you can't brand them as non-technical or irrelevant.

Anyway I decided not to comment further on this thread.

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Guru
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#2

Re: A Question About the Flow of Natural Gas in a Junction

05/29/2012 10:41 AM

Ask this guy

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Guru
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#4

Re: A Question About the Flow of Natural Gas in a Junction

05/30/2012 3:31 AM

Nothing has been stated about the piping components, and without that knowledge the problem is imponderable.

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