Questions tagged [building-physics]
The physics of buildings, specifically thermal conduction, convection, & radiation; heating and cooling; ventilation; transmission and management of water vapour & pollutants
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How to make a pulley system with a mechanical advantage of 0.5 [closed]
Problem
Hi I was working for an engineering club and we needed to do this as soon as possible:
We wanted to make a pulley system with a mechanical advantage of 0.5
I know that we have to do ...
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Dimensionless Thickness
I have encounter this notion: "Dimensionless Thickness". Does anyone have any idea how to interpret this? One can find such a term here.
My interpretation is that the name comes from the fact that ...
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Recreating Focaults Pendulum
I am having issues building a recreation of Focaults Pendulum (basic, inexpensive, undergrad project). At this point, I am going to purchase aircraft cable or suspension cable unless someone can ...
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Mathematic modeling of an overshot water wheel [closed]
We're working on a project that require some mechanical engineering and electronics engineering. In this project we've to model this overshot water wheel (so the water comes from the left top side and ...
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Tower crane with a cabin on ground level
Pardon me for kind of a stupid question, but I keep wondering. Traditionally, tower cranes' cabins are located at the top of the tower. I can understand why it have been necessary up to ~1990s, when ...
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Why don't we make bricks out of coffee grounds?
Okay, so I've noticed that a lot of people grind coffee, and a lot of companies grind it on an industrial scale.
Having produced some of the drink we called coffee, a huge proportion of the mass of ...
AJFaraday
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Rubber Band for Belt in Belt Drive system
Looking to drive a series of belts for lateral translation using a series of pallet bands (92" rubber bands about 1" wide). Approximately 16 bands would be driven by a singular band as illustrated (...
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Recoil of hydraulic lift/elevator
I noticed that when a group of people enter in an hydraulic lift/elevator often when the last person steps in the lift/elevator has a small but noticeable recoil: the lift goes down a few mm then it ...
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What's the purpose of these small closet-like-rooms-without-a-door?
I was recently on the UCLA campus (University of California Los Angeles) and I saw the Bunche Hall. I love the design and the architecture of the building. However I saw a little (what I would call) a ...
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What is the purpose of these diversions in a natural gas line?
The campus where I work has a long covered walkway (~.5 mile) which has several labeled pipes running under the roof (chilled water, fuel oil, air...). All of the pipes run dead straight except for ...
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Is making a toilet flush backwards problematic? [closed]
The Coriolis effect impacts the way water tends to circle before going down the drain. Many (most, all?) toilets are designed to work with the Coriolis effect. I am considering a line of toilets ...
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Where to insulate Underfloor air distribution system in a temperate climate
I have a proposed underfloor air distribution system (UFAD) for a one level office in a temperate climate. Typically the demand for heating and cooling in this climate is about even for offices. ...
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What is the most efficient means of warming a building with a high ceiling?
Consider a large auditorium, a church, or some other very large, essentially one roomed building with a high ceiling. Suppose that the building has many entrances which enable cold air in/hot air out ...
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