All Questions
Tagged with efficiency physical
6 questions
2
votes
4
answers
6k
views
Why don't elevators automatically go to the ground floor after being idle for some time?
I work in a regular 10-story office building with 4 elevators. Every morning I notice a situation where all 4 elevators happily sit on one of the topmost floors until someone pushes the button from ...
- 312
9
votes
3
answers
3k
views
Justification of petrol station design [closed]
Would appreciate help on this issue. We plan to reconstruct our old petrol station. At present, it has one single row of pumps, so all cars have to move in queue or bypass each other.
New design will ...
- 99
6
votes
3
answers
7k
views
Why do some elevators have a single call button and others two?
It seems like it would be optimal to have two call buttons (up/down) on an elevator instead of one because I could hop on an elevator headed in the same direction that I want to go versus having to ...
- 545
167
votes
12
answers
32k
views
Why do idle elevators close the doors?
If the elevator stops on a floor, opens the doors to let the passengers out, and hasn't received a command to go on another floor, why does it close its doors afterwards?
If the elevator is not on my ...
- 1,721
9
votes
6
answers
5k
views
How could petrol forecourts be designed to improve efficiency?
I am always shocked when I go to a petrol station. The layout- in the UK, at least- seems to be fairly standard. But it always seems to me to be incredibly inefficient.
These are the issues:
When ...
- 3,064
14
votes
3
answers
3k
views
Elevator dispatch algorithm choice
We have a single elevator servicing an 8 level residential building. What might be the optimal elevator positioning algorithm to optimize user experience (primarily, wait time)?
I was thinking ...
- 819