Sciencemadness Discussion Board

Really odd idea

breadbasketbomb - 31-7-2015 at 03:41

I have a knack for cost effectiveness, but here it goes. I have an idea for an explosive consisting of compressed air, and a powdered explosive or fuel. Yeah.

Varmint - 31-7-2015 at 03:48

Do a search for "fuel-air bomb", and realize that hyperbaric bombs are almost exclusively based on that very principle.

breadbasketbomb - 31-7-2015 at 03:50

Quote: Originally posted by Varmint  
Do a search for "fuel-air bomb", and realize that hyperbaric bombs are almost exclusively based on that very principle.



I know what a fuel air bomb is. But sometimes the dispersion of the fuel is better said than done.

[Edited on 31-7-2015 by breadbasketbomb]

Bert - 31-7-2015 at 04:01

Or just soak your fuel with LIQUID air.

http://youtu.be/3Pr6dyaH17w


[Edited on 31-7-2015 by Bert]



[Edited on 31-7-2015 by Bert]

aga - 31-7-2015 at 04:44

I had an idea for an 'active ' explosive after seeing a grain silo explode on TV.

Some dust, cylinder of compressed O2, spark plug.

[Edited on 31-7-2015 by aga]

diggafromdover - 31-7-2015 at 05:51

you would need some form of containment for two reasons:

to prevent excessive dilution
to constrain, temporarily, the reaction.

You need a Silo.

Now I expect in the case of a Fuel Air thingie, the expanding gas is constrained by the surrounding atmosphere compressing, and dilution is avoided by oversaturation.

What will be your silo.

Hypothetically :)

PHILOU Zrealone - 31-7-2015 at 06:52

LOx explosives, liquid oxygen explosives made on blast site by mixing liquid O2 with fuels (solids or liquids)...

aga - 31-7-2015 at 07:21

Quote: Originally posted by diggafromdover  
What will be your silo.

Hypothetically :)

A Silo perhaps ?

It was all just an idea, and never made it beyond theory.

James Ikanov - 31-7-2015 at 10:47

I'm interested in a similar concept, except something more along the lines of a potent liquid fuel under pressure with an oxidizing gas, or perhaps vice versa.

I had been wondering how nitromethane slurry and acetylene might go, but based on what I've read I'm thinking that the compression of nitromethane might yield explosive results in a distinctly more abrupt manner than I'd really appreciate.

On the other hand I then wondering if putting Xylene or Toluene under pressure of something like Acetaldehyde or another explosive gas might also yield interesting results.

And this then lead me to yet another line of question.... Do you think it would be possible to nitrate Xylene or Toluene by putting them under pressure in a sealed container of Nitric oxide gasses, or some similar process? I doubt it would be efficient in terms of the chemicals involved, but reaching trinitrotoluene as from plain old toluene sounds much more obnoxious than I was expecting... sorry if this has gotten a bit off topic.

Little_Ghost_again - 31-7-2015 at 11:01

Quote: Originally posted by aga  
Quote: Originally posted by diggafromdover  
What will be your silo.

Hypothetically :)

A Silo perhaps ?

It was all just an idea, and never made it beyond theory.


Did you choose a wood preserve factory in the end? (look on news channel lol)

aga - 31-7-2015 at 11:17

Yay !

LG2! back !

Woohoo

Texium - 31-7-2015 at 11:22

Quote: Originally posted by Little_Ghost_again  
Quote: Originally posted by aga  
Quote: Originally posted by diggafromdover  
What will be your silo.

Hypothetically :)

A Silo perhaps ?

It was all just an idea, and never made it beyond theory.


Did you choose a wood preserve factory in the end? (look on news channel lol)
Woah, I did a double take when I saw this. Welcome back LG!

PHILOU Zrealone - 31-7-2015 at 11:33

Quote: Originally posted by James Ikanov  
I'm interested in a similar concept, except something more along the lines of a potent liquid fuel under pressure with an oxidizing gas, or perhaps vice versa.

I had been wondering how nitromethane slurry and acetylene might go, but based on what I've read I'm thinking that the compression of nitromethane might yield explosive results in a distinctly more abrupt manner than I'd really appreciate.

On the other hand I then wondering if putting Xylene or Toluene under pressure of something like Acetaldehyde or another explosive gas might also yield interesting results.

And this then lead me to yet another line of question.... Do you think it would be possible to nitrate Xylene or Toluene by putting them under pressure in a sealed container of Nitric oxide gasses, or some similar process? I doubt it would be efficient in terms of the chemicals involved, but reaching trinitrotoluene as from plain old toluene sounds much more obnoxious than I was expecting... sorry if this has gotten a bit off topic.

Mixing liquid/gaseaous oxydiser and fuel is in the line of rocketry technology.

Nitromethane too dangerous when compressed...just like acetylen by the way (it is endothermic material and can detonate back to its elements C and H2).

Many substances or stable mixes turn to be unstable once compressed...a typical example is H2/O2 mix what is stable in a glass container...when increasing pressure at ambiant T°, radicalar chain reaction at the glass surface becomes significant and suddently it deflagrates the all mix.

Mix of fuels like aromatics and N2O4 can be propergolic or hypergolic...some are detonable by shock...see Sprengel explosives of the class Panclastites...

Praxichys - 31-7-2015 at 11:37

The problem with using air is that it is a poor oxidizer. 77% of it is inert gas, by weight. The problem with using gases in general is that they are not very dense, so the explosions are weak (compared to solid and liquid explosives) and have little brisance. They are good for making long pressure waves but lack the shattering power of other explosives. The density of CHNO explosives are typically between 1 and 2g/cc. The density of air is 0.0012g/cc. Compressing it will help but you'd have to get it to a little over 12,000 PSI to approach 1g/cc.

Also keep in mind that using a liquid fuel with a gaseous oxidizer might cause problems with keeping the two mixed. Ideally both components are gases, like an oxy-acetylene or oxy-hydrogen balloon.

Little_Ghost_again - 31-7-2015 at 11:54

Thanks guys, and yes I am here to haunt and taunt again!

ave369 - 31-7-2015 at 13:00

Congratulations for inventing the Russian FOAB bomb. A.k.a. Not a Nuke but the Next Best Thing.

aga - 31-7-2015 at 14:15

Russia made a bomb out of Little_Ghost_again ?

No wonder he's been away a while.

Fantom (sic)
Or
A
Bomb

Little_Ghost_again - 1-8-2015 at 07:28

Quote: Originally posted by aga  
Russia made a bomb out of Little_Ghost_again ?

No wonder he's been away a while.

Fantom (sic)
Or
A
Bomb


Not a chance I hate heights! there is no way to get me out the plane so making a bomb out of my parts would be pointless :D Great to see your still keeping the bars happy A lol :P

aga - 1-8-2015 at 11:16

*sigh* what does FOAB mean ave ?

Edit:

Oh. Father Of All Bombs.

[Edited on 1-8-2015 by aga]

Little_Ghost_again - 1-8-2015 at 12:14

Quote: Originally posted by aga  
*sigh* what does FOAB mean ave ?

Edit:

Oh. Father Of All Bombs.

[Edited on 1-8-2015 by aga]

If mine is anything to go by I would be more scared of MOAB! Dads a pussycat in comparison