June 25, 2019 at 8:46 amdaveberutuSubscriber
Hello everyone, I am modelling an inconel 625 tube that use to transport NaOH from a surface to a geothermal production well as deep as 6200 ft. I model the tube as concentric pipe as NaOH on the inner pipe and steam with variation quality on the outer pipe. I confuse how to model the pressure load as we know than the pressure is not uniform along the pipe for both fluid. Can you help how to solve this situation? Before, I attach our discussion results to give you the description of the situation.
Your help will be much appreciated.
June 25, 2019 at 10:56 amRobAnsys Employee
Are you modelling the fluid system or mechanical stresses?
June 25, 2019 at 2:19 pmdaveberutuSubscriber
Mechanical stresses Sir
Is line body modelled is the best method to achieve the results?
June 25, 2019 at 3:46 pmpeteroznewmanSubscriber
Here is a Mechanical analysis of heat transfer from fluid flowing in a pipe modeled using line bodies. You might use some of the methods in that model for your model.
June 26, 2019 at 1:32 amdaveberutuSubscriber
Wow, thank u for the example Mr. Peter
But back to my main question, How can I model the pressure distribution along the pipe?
June 26, 2019 at 2:48 amdaveberutuSubscriber
I forget to say that the pressure doesn't vary linearly along the pipe
June 26, 2019 at 11:56 ampeteroznewmanSubscriber
Can you write an equation for the pressure along the pipe in terms of one or more of the global coordinate values? If so, you can use that equation in the pressure boundary condition.
June 27, 2019 at 3:40 amdaveberutuSubscriber
How about using tabular data with tube axis as a variable. So I'll define the value of pressure in some coordinate with spesific increment.
June 28, 2019 at 8:23 pmpeteroznewmanSubscriber
If you have the tube axis in X,Y,Z coordinates, you can extract the pressure along the tube axis in X,Y,Z coordinates.
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