Questions tagged [pipelines]
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Elevation / pipeline Elevation calculation
We do inspections using a robotic camera in the pipeline. It’s tractor type camera. (Ref. photo)
While driving the camera through the pipeline it gives us the camera tilt degree output.
The camera ...
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What is a reference that i can use to find the interpretation of a symbol in a gas line schematic?
I have a schematic for some gas lines in a wafer processing unit. One of the symbols which occurs is a circle with an x in it that has the left and right quarters filled in to form two black ...
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Alternative to HDPE Piping for long range sea-water + water transport [closed]
Is there an alternative for the expensive HDPE Piping for long range sea water transport?
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Software options for simulating oil flow in small diameter pipes [closed]
I'm looking for 1D software packages that can simulate flows of oil (lubricant) in pipes of a small diameter (typically between 1mm to 12mm in diameter) and have found around 10+ possible candidates, ...
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Intuition behind pressure losses in pipes
From standard pipe-loss equations we know that features in piping systems, such as wall surface roughness, or valves along the pipe system, cause major and minor pressure losses respectively. However, ...
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Equivalent Lengths of Pipe for Laminar Flows
I have a pipe network with laminar flow (peak output from the pump gives a Reynolds number around 1100).
I have some test data for the network and the results are really odd to me; I cannot explain ...
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Losses through holes drilled in a pipe
I asked a previous question about pipe t-junctions with pipes of varying diameters, and it got me wondering...
How are losses handled and calculated in pipes with holes drilled directly into them? ...
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Flow in a T-Junction with pipes of different diameters
I have been trying to model a complex pipe network recently and have come across something I can't find any information on. In my model, I have been assigning equivalent lengths of pipe to various ...
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What is the use of a " by pass " [closed]
I'd like a simple explanation of the function of by pass,
here is an image of the project am working on and if it can help clarify.
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Is there a way to reduce leaks and infrastructure damage when turning water on and off at the scale of city?
Cape Town, South Africa is experiencing an extremely serious drought, with estimates putting April 21, 2018 as the day that the city will be forced to shut off all municipal water supplies and begin ...
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How Can I Determine Multiple Discharges from a Pipe Network? (Knowing the Inlet Conditions)
I have little/no experience with pipe networks and have been searching for a methodology to calculate the discharge from multiple outlets of an oil pipe network with a single inlet. As far as i can ...
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Is the term "invert level" applicable as the "floor" of a pressure pipe or the bottom of the trench?
I have always used the term "invert level" as the "floor level" of pressure and gravity pipelines alike. A long section for pressure pipe from another engineer came across my desk where his "invert ...
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Oil refinery pipeline direct to gas stations
I know major oil pipelines do exists either underground or under the seabed. However, these usually move crude/unrefined oil from refinery to refinery. Yet we don't have refined petroleum or gas ...
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Estimating Potential Flow through a pipe, from tanks to outlet
I am working on a project for an amazing hot springs project in CA. As part of this project, the county is requiring that we provide our own fire suppression water. We have 3 tanks of 40,000gal each. ...
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Darcy-Weisbach Equation
I've come across two forms of the Darcy-Weisbach Equation, and each one seems to yield a different result when I am solving for $Q$ (flow).
$$h_{f}=\frac{\lambda Lv^{2}}{2gD}$$
$$h_{f}=\frac{f LQ^{...
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