Questions tagged [pipelines]
The pipelines tag has no usage guidance.
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Fuel pipe from pump to carburettor has inner dia constriction
Here is the image of a fuel pipe I am talking, when I replaced this with a normal pipe the one's without any constriction, the engine idles perfectly fine, but bogs on acceleration,
Since the pipe ...
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Calculating the elevation of pipe invert
Do I take cuts and fills into account when calculating pipe invert depth? What would be the math on that?
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Quantitative Risk Assessment Of Onshore Crude Oil Pipelines
I am currently working on a project that requires a quantitative risk assessment of a potential release (analysis of frequency and consequences) onshore pipelines transporting crude oil (underground). ...
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Heat convenction through double pipe
I have a realistic scenario which involves a double contained PP plastic pipe which a section of the pipeline is placed outdoor. What I want to determine if insulation is required at all. The media is ...
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Is there any difference in performance when using a small pipe diameter for a greens bubbler?
So a greens bubbler is a setup that helps the farmer cleaning greens/ gets/ fruits by agitating the water.
Details here: https://blog.uvm.edu/cwcallah/2021/10/06/building-a-better-greens-bubbler/.
In ...
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Where should I restrict the flow of a pump?
I am using a 1/2 hp sump pump to provide flood coolant to a CNC milling machine. The sump pump has a 1.5" outlet. The milling machine already has a 1/2" adapter and manifold which connect to ...
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How to determine the slope for the gravity flow of highly viscous fluids (eg. gum)?
I am looking for a method to determine the slope of the pipe required to maintain a gravity flow for highly viscous fluid.
The Hazen-Williams equation for gravity flow is applicable for liquids which ...
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Computing the velocity of water under reverse flow conditions from storm water drain
I am trying to compute the approximate velocity of water during reverse flow from the outfall location to the street through storm inlets. This is generally seen during what is commonly referred to as ...
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How to calculate mass flow rate at the Multiple Channel Outlets?
I have a basic question regarding the calculation of mass flow rates of a channel with multiple outlets. In the scenario depicted in the image below, we have a single inlet with a mass flow rate (m1) ...
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Fluid dyanmic - flow in a pipe
Dear fellow engineers,
I have a question regarding a fluid dynamic problem which I have sketched out. The initial fluid velocity is 1.5 m/s at 1.5 bar and the fluid is water. The pipe line has a ...
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How to estimate the amount of fuel leakage on a pressurized pipeline
I need to identify the amount of leakage into the machinery space, as during an incident, the engineer started internal fuel transfer from a cargo tank to the fuel daily service tank.
The fuel pump ...
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Suitable pipe suggestion required
I've got a machine that sucks water. The inlet is half inch. I had been using braided pvc till now but it has started to breathe air which is causing problems with the machine. It also bends under ...
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"reversing pump" in closed water circuit, can water pumped reach further than wave length?
In a closed water circuit with a reversing pump. If the wavelength of how far water pressure wave (positive and negative) reaches during one pump/suction cycle is much shorter than the length of the ...
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Is it possible to determine how far a vacuum cleaner hose can suck an object in from?
I'm working on a project similar to a vacuum cleaner, where I have a suction pump connected to an open ended pipe that has a negative pressure gradient such that things are being sucked into it with a ...
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Heat transfer in open equalization tank
I have to cool waste water in equalization tank (open tank) from 60 C to 30 C.
Here is the information about the waste water:
[![enter image description here][1]][1]
[1]: https://i.sstatic.net/QqiSG....
