Engineering

Tell me if there are very small emitters of microwave waves? Microwave emitters the size of a pea grain, for example? Although it is possible and more if there are no such small ones. Do they exist or can they be made?

I need two examples of a lifecycle assessment for an industrial park and two examples of carbon footprint assessments for an industrial park. If I can't find examples of a lifecycle assessment for industrial parks, I'll look for lifecycle assessments of factories in the footwear, food, or beverage industries. Please Keep an eye out for key sources of GHG gases produced by factories in these sectors

Hi all, I have a mixing simulation drawn up on the programme Ansys, where I am mixing two fluids. I want to verify my mixing process, by using this process to mix two other materials and take a variable of each material (e.g. viscosity) and compare the actual final mixing value to the one that I get when I mix them in my simulaiton. Is there a paper, site, or other available resource that contains mixing data for any two fluids?

A water tunnel in the lab I work in was designed poorly, and will require the implementation of some sort of wave absorber to eliminate waves disturbing the test section. The tunnel has a very short diverging section (downstream of test section) and afterwards redirects the flow 90 degrees downwards with a vertical wall. The tunnel is used for flow visualization and Particle Image Velocimetry. Has anyone dealt with a similar or relevant issue? Does anyone know of some resources I can look at? Where would you look to find literature or examples on this issue? Thank you -Ben

Are spent fuel rods cooling pools discharging radioactive water (tritium) into the environment? Since the spent fuel rods can still meltdown after 10 years in the cooling pools if the water is removed. “They point to a 2003 research paper that was coauthored by Macfarlane when she was a Massachusetts Institute of Technology researcher. That paper warned that if the cooling water were to leak out of a damaged storage pool, a fire would result, causing radioactivity to be released that could rival that from the 1986 Chernobyl disaster in Ukraine.” (J. Johnson). --------------------------------------------------------------- “Ten years after remo…

September 11, 2001 The South Tower Floor 85 "Come, Swansont!" I hollered, and Swansont and I leapt towards the open window. "Not so fast, young man," said Swansont quietly. Even over the screams, the din, his voice was as audible as though it were a lecture hall. "When you jump, keep pressed to the walls of the Tower," he said. "The walls of the tower?" I didn't understand. "Leap from ledge to ledge!" he said, and showed me. I watched, bemused, as Swansont took the first window ledge in it's stride. He leapt from the WTC window, and came to a halt a few metres below. His fingers had gripped the top of the window ledge just b…

Hello, I'm currently doing 3D mixing in a computer programme called Ansys. I have a cylinder full of water, featuring a square cuboid of calcium (the rectaungular cuboid is a stirrer bar, and the smaller cylinder is a mixing zone. I have gravity defined as the standard 9.81 m/s2 downwards) : I have the mixing set at 60 rpm at the moment. I find that, after 2.5 minutes, my calcium is down around the bottom (this is a volume fraction graphic, with more blue meaning higher fraction of water, and as the colour leans into red, you have more calcium) : Then, as the mixing continues, the homogeneity of the…

Maybe this is better in Climate Science? But engineering is what people DO to address human problems. About all humans can do to control anything about a volcano is to divert lava flows. But what if we could get a volcano to erupt on demand? Or kept erupting to deliver enough dust to the atmosphere to cool the earth enough to stall global warming? The big island of Hawaii has a volcano called Mona Loa erupting. Could it be used to deliver dust to the atmosphere, if the winds are blowing east the dust would get into the atmosphere before falling on the western US. Is there anything we could throw into the volcano that would help? "Climate scientists bring…

https://www.sciencealert.com/we-finally-know-how-ancient-roman-concrete-was-so-durable Recent research finds that lime clasts in Roman concrete, formerly thought to be poor mixing, served a vital purpose. (I was first introduced to the wonders of Roman concrete in Robert Harris' novel, Pompeii) Maybe this could help save those seaside condo foundations in Florida that are so beset with problems.

An active ball joint mechanism (ABENICS) enhanced by interactions of spherical gears: https://ieeexplore.ieee.org/ielx7/8860/9556521/9415699/supp1-3070124.mp4?arnumber=9415699

They were able to get 50% more energy out of the fusion experiment at LLNL. However, to do that required MANY GIANT LASERS. How else can you get a fusion reaction going without so many giant powerful lasers to get it started? It seems so impractical to have fusion energy for the masses.

Water inside an ultrasonic cleaner (operating in the 40,000kHz range) rill ripple so very slightly, but what Hz is created with standing water (in a container) sat above a washing machine on full spin (1200rpm) ?

https://en.wikipedia.org/wiki/Francis_Hauksbee Could we add some blades and let the wind do the work ?

Hello everybody, I have created a proposed StackExchange for SolidWorks Electrical users. I'm curious if anybody on the forum is interested in the topic and if so what has been your experience with the software? Any tips and tricks you may have would be appreciated. I'm not sure if I can link the site here, but if your interested its located on StackExchange Area51 under "SolidWorks Electrical". There's so little resources for this software online, any input and support would be beneficial for the community.

I've been messing around with a diaphragm I've gutted from an old keurig machine. I'm trying to learn more about gas compression methods, and the transportation of gasses. I believe the pump was intended more for water than air (gasses), which might be much of why I am having a hard time achieving higher psi through this pump. In what I've gathered so far: the weak point seems to be the actual diaphragm itself. The check valves should operate the same no matter what pressure is applied because of the counteracting forces. I believe I foolishly tried to increase the area of expansion and contraction of the diaphragm by replacing it with a balloon. It appears …

Could the Earths Em field be used to propulse a craft into space ? In engineering terms , could we create a device that could manipulate the Earths Em field to create some sort of spatial wormhole ? If we could create a device that curved the field in a -ve manner towards the device , wouldn't space be closer ?

Would a helium filled rocket ''top section'' help the rocket to vertically land ?

Would a rocket be more structually stable with a vacuum layer between the inner body and external body ?

Hey, everyone Would it be possible to take advantage of the fact that the engine in the car heats up which could be used to "boil" the water to produce steam, which could be used to extract energy capable of powering the car? This question has been bothering me for a long time and I decided to finally ask someone about it. I say right away that I don't even know if this all makes any sense (it was just a loose thought in physics class) so I sincerely ask you to explain in a relatively simple way why this can't be the case or what the obstacles are. thank you for giving me your time.

Hi team, I was wondering how to determine whether a helicopter is good. As an example, with an Army tank, you would judge it on the criteria of protection, firepower, sensors, and mobility. Are there specific things that you can look at to determine that a particular type of helicopter is going to be "better" than others? I am mostly thinking in a military context. I am particularly interested in comparisons between a Blackhawk/NH-90/Mi8 helicopter.

ABOARD THE PLAT-I 6.40 GENERATING PLATFORM, Nova Scotia — The Bay of Fundy, off the Canadian provinces of Nova Scotia and New Brunswick, has long tantalized and frustrated engineers hoping to harness its record-setting 50-foot high tide to generate electricity. After more than a century of attempts, there has only been one small power-generating station, since closed, and countless broken dreams, abandoned plans and bankruptcies. Even so, a new coalition of entrepreneurs and scientists in Nova Scotia are trying again. One participant, a company called Sustainable Marine, has devised a new technology and successfully operated it for more than seven mo…

Two intersting papers worth reading.. Hakala, T.A., Zschaechner, L.K., Vänskä, R.T. et al. Pilot study in human healthy volunteers on the use of magnetohydrodynamics in needle-free continuous glucose monitoring. Sci Rep 12, 18318 (2022). https://doi.org/10.1038/s41598-022-21424-9 Hakala, T.A., García Pérez, A., Wardale, M. et al. Sampling of fluid through skin with magnetohydrodynamics for noninvasive glucose monitoring. Sci Rep 11, 7609 (2021). https://doi.org/10.1038/s41598-021-86931-7

Greetings. Am curious about a formula 1 racing engine. How is the engine coolant thermostat ? No guesses, please.

Hello What fields/areas do you think you should study to at least have hope to be able to try to achieve creating an artificial brain and doing mind uploading ? Here are some Wikipedia articles that I think could help doing this : https://en.wikipedia.org/wiki/Artificial_neural_network https://en.wikipedia.org/wiki/Biotechnology https://en.wikipedia.org/wiki/Nanotechnology https://en.wikipedia.org/wiki/Technological_singularity https://en.wikipedia.org/wiki/Brain–computer_interface https://en.wikipedia.org/wiki/Electroencephalography https://en.wikipedia.org/wiki/Brain https://en.wikipedia.org/wiki/Magnetoencepha…

Hi there! I have few years still without any solution. I could find just only one exemplary of this bulb or lamp there I share pictures, this is exactly what I need to know what it is, brand or datasheet. The base is E27. AND the most important, In this VIDEO you can see the lamp working: (I don't know is this usage is the correct usage, the lamp is powered with HV with only a single cable, it runs like a Plasma ball lamp) - Aparenlty these lamps are used to generate ozone. Hope you can help me! I have YEARS with this issue... I never could resolve it... Kindly Regards ;D