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Showing posts with the label Design Project

#4321 Homeless Shelters

#4321 Homeless Shelters #4321  Consider the homeless shelters throughout the U.S. and categorize the people who move through them Understanding the demographics of the U.S. homeless population is complex, as it involves a "revolving door" of different life circumstances. As of 2026, data from the Department of Housing and Urban Development (HUD) and various advocacy groups suggest that roughly 771,000 people experience homelessness on any given night, with many more moving through the shelter system over the course of a year. To make sense of this, we can categorize these individuals by their duration of homelessness , household composition , and specific vulnerability factors . 1. Categorization by Duration & Pattern The most critical distinction for shelter operators is how often and how long someone stays. Transitional (The Majority): These individuals enter the shelter system once—often due to a sudden life event like an eviction, job loss, or medical crisis—and sta...

#4314 Placer Concentrate Separator

#4314 Placer Concentrate Separator #4314  Seems like you could simply place a vacuum hose through the lid of a bucket full of placer mine sand and dust and adjust the vacuum to lift the dust, and also have a side current to separate the lights from the heavies That is a classic application of winnowing and cyclonic separation principles, and you’re spot on—it’s essentially a DIY "dry washer" or an air classifier. In the world of placer mining, where water is often scarce, using air as a fluid medium to sort by density is a proven (though finicky) tactic. Here is how that setup would likely behave and the physics you’d be juggling: 1. The "Dust" Phase (Aspiration) By placing the vacuum hose through the lid, you create a low-pressure zone. As air is sucked in through a secondary "intake" hole, it picks up the particles with the highest surface-area-to-mass ratio. The Win: This is excellent for cleaning your concentrates. Getting rid of the "flour...