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4
votes
4answers
977 views
Why do aircraft inner wings lose lift when turning?
first question here, so please be gentle!
I'm reading an entry-level engineering course book and am currently up to discussion of aircraft design.
There's one particular statement that is unclear to ...
4
votes
3answers
244 views
Can anyone estimate what proportion of water remains after I flush a toilet?
Imagine I have a clean toilet with some amount of water in the bowl. When I flush the toilet much of that water will be displaced by the tank's water. I want to work out (or model really) what amount ...
3
votes
3answers
829 views
Design of a common table fan
A few questions about the design of a common table fan, such as below.
Does the round disc (silver in the image) in front of the blades serve any functional purpose?
Does the metal casing around the ...
2
votes
2answers
146 views
Proof Human Designs for Fusion Could Work
Are there convincing proofs on paper that fusion is possible the various ways humans are trying to design machines to do it or is the only way absolutely proven to work in theory also the only way ...
2
votes
1answer
103 views
How is/do they plan on having fusion energy collected at the National Ignition Facility?
I was just watching a program on television showing how the method they use at the National Ignition Facility to attempt to achieve fusion is to fire extremely powerful lasers at a small pellet of ...
1
vote
1answer
119 views
Design of atomic bomb [closed]
Please see the following photo. (I cannot post it)
http://i1163.photobucket.com/albums/q554/startanewww/CIMG4548.jpg
Why is atomic bomb in a "fish-like" shape? (I don't know how to describe it) Is it ...
0
votes
0answers
258 views
Torque required to rotate a cement mixer..? [closed]
I need to design a motor to rotate a cement mixer which should mix one cubic meter. So, I calculated the required volume to be 1600 liters as it is an horizontal cylinder. Consider that the mixer ...
0
votes
0answers
64 views
How is pool boiling dealt with by today's process design methods?
Designing evaporators and industrial reboilers often requires at initial stages of dimensioning (i.e. when the support from a finite element software tool to model the system of interest, isn't yet ...
-1
votes
2answers
290 views
What is the best material and design for building a parabolic dish?
I'm currently using a homemade metallic spaghetti strainer with a wifi adapter inside it to increase my wifi adapter's signal reception, but would think that a different material, like the aluminum ...
