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  • Users: adrich91
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  1. adrich91

    Galvanic corrosion for material choice

    Good afternoon, I have a couple of questions and proposals related to the phenomenon of galvanic corrosion that I would like to know your opinion. Context: At the moment I have a cast iron pump, 3 way valves in carbon steel flanged, other 2 way valves in stainless steel, carbon steel piping...
  2. adrich91

    NPSH and maximum vaccum of the pump

    Good afternoon, I would like to ask you a question about the NPSHr of a pump and the NPSHd. Let's imagine a pump that has a NPSHr of 1 m. This means that the difference between the pressure at the inlet of the pump and the vapour tension needs to be at least 1 m so that it does not cavitate...
  3. adrich91

    Bernouilli in vertical pipes

    Good morning, I have a doubt about the calculation of the installation curve for dimensioning the pump necessary to pump the fluid flow I want. The system is as shown below, where practically the source and end tank would be at the same height, but in between, apart from the elbows, valves...
  4. adrich91

    Liquid outlet pressure concept

    Good evening, everyone, I'm back here again for further enlightenment (greatly appreciated :)) I was reviewing the subject of pumping liquids and I had understood that at the exit of the pipe to the atmosphere (for example a tap or end of open pipe) the pressure was always the atmospheric...
  5. adrich91

    Process pressure

    Hello colleagues! Today I'm here again to get some help with some issues I have in my head. First of all: I hear a lot the expression ‘to clean with water with pressure on something’ and I suppose that it is not really pressure that is being talked about, but a lot of flow, isn't it? Because I...
  6. adrich91

    CFD and FEM learning

    Good afternoon. I am a chemical process engineer. I would like to get into the world of computational fluid mechanics (CFD) and finite element calculations (FEM). Could you give me some advice on where I should start? Is it better to do a course and be self-taught or do a master's degree in my...
  7. adrich91

    How to interpret "pressure" in incompressible fluids pipes

    Hi all! I would like you to help me to understand the concept of pressure in pipes where there is an incomprehensible fluid. I imagine a pump with a pipe full of water and a valve at the outlet. I understand the curves of the system and of the pump, to see which pump satisfies the conditions...

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