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Score of 0
2 answers
96 views

I am trying to figure out how would I be able to determine the pressure differential that will be sustained if I removed a certain amount of volume of air with a fan? This is a rather extreme and ...
Score of 1
3 answers
187 views

Last night, I ran a domestic dehumidifier in a bedroom in my house overnight for about 14 hours. In the morning it had collected 1.6 litres of water in the tank. The bedroom door was closed throughout,...
Score of 1
1 answer
112 views

I currently have a 24" chimney fan rated at about 10000 CFM blowing through a 24" tube. If I were to make a cone so that I could install a 32" fan to blow through the same 24" tube,...
Score of 0
1 answer
63 views

I was given a problem where a man crouching on a diving board, he tilts forward until he tips off the board and rolls mid-air till he hits the water My question is not about the problem, I can solve ...
Score of 0
0 answers
79 views

I am setting up a test-bed for an experiment. Here's what I have. A circular car exhaust The gas comes out of the exhaust at a velocity, x. We need to lower the gas velocity to x/3 Conditions The '...
Score of 0
0 answers
39 views

I am working on something, for that i need to calculate total annual quantities of CO, particulate matter, NOx and SOx for stationary sources. meters are not installed on emission sources. Can anyone ...
Score of 0
0 answers
92 views

I have designed the baghouse filter but I don't know what device should I install in combination with the baghouse such that it filters the toxic gases too. I saw a lot of technologies but the cost is ...
Score of 2
0 answers
110 views

I am trying to develop a theory for this situation: A small blown-up balloon is attached to the center of a compact disc; you let it float as the balloon discharges. Simplifying assumptions: ...
Score of 0
1 answer
164 views

This post is strategic. I have an answer to the Mythbusters dimpled car question which was asked elsewhere on SE, but since I have a 1 reputation score at the moment and cannot post its answer, ...
Score of 1
3 answers
132 views

Today I got a new refrigerator carbon water filter (this). Before installing, out of curiosity, I dripped a bit tap water into the filter’s outlet to see if water could flow in and out. Obviously it ...
Score of 1
1 answer
198 views

Budget ~$5k Current setup: 2x 20k cfm water-based smoke machines facing each other 6' apart blowing across the top or bottom of a fan or set of fans. I was hoping there could be a way to get a vortex ...
Score of 1
1 answer
66 views

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 ...
Score of 0
0 answers
387 views

Are there any engineering or material barriers to making one drone with a large, low-density foam? Could it stay afloat with solar panels, traditional drone propellers and motors, and what height ...
Score of 2
1 answer
68 views

Some background I am reading through a textbook on atmospheric fluid dynamics. The author is discussing something called the Boussinesq relations, and eventually the following expression arises: $$ \...
Score of 1
2 answers
267 views

I made an electric furnace as a university project. It can heat up air inside up to 1000 degrees Celsius. It's not fully sealed so some air can escape from small gaps. Not sure if this would cause a ...

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