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There are many cases in the news of accidents with sometimes a large number of party balloons filled with hydrogen or other flammable gases. One of the larger
by generuso 6mo ago
There are many cases in the news of accidents with sometimes a large number of party balloons filled with hydrogen or other flammable gases.
One of the larger episodes was in 2012 in Armenia, where thousands of balloons exploded during a meeting, injuring 154 people, of which 4 seriously (the video is of poor quality): https://www.youtube.com/watch?v=jWEm2sS7Dw8 https://www.youtube.com/watch?v=jWEm2sS7Dw8
A smaller, more recent episode in India:
https://www.youtube.com/watch?v=FH5JwHeKnZo https://www.youtube.com/watch?v=FH5JwHeKnZo
- trhway 6mo agoa party balloon - say a cubic foot - is about 2g of hydrogen. Involves 16g of oxygen. So we're talking 18g of very fast burning, borderline detonating mass. Releases 240 KJ of energy. To compare the hand grenade - 60g TNT https://en.wikipedia.org/wiki/F-1_grenade_(Russia) https://en.wikipedia.org/wiki/F-1_grenade_(Russia) - releases the same 240 KJ of energy.