Questions tagged [explosions]

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21
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2answers
6k views

Would an atomic bomb detonate a uranium stockpile? [closed]

If a uranium atomic bomb directly hit a stockpile of weapons grade uranium, would the chain reaction also detonate the stockpile? what about a stockpile of nuclear reactor fuel rods? what about a ...
2
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1answer
88 views

Creating a black hole with explosives? [closed]

Would it be possible to compress enough matter into a small enough space using explosives, using roughly the same concepts as a nuclear bomb? of course, this couldn't be done with traditional ...
0
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1answer
44 views

Where would the energy go if a nuke intercepted a meteor?

I thought of this question from watching the trailer for the new movie "Greenland" with Gerard Butler. Essentially in the trailer a huge comet falls towards the earth, apocalypse, etc. ...
3
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1answer
193 views

Beirut 2020 explosion vs a nuclear explosion with the same energy [closed]

Port Beirut disaster (ammonium nitrate explosion, 4 August 2020) was equivalent to 1.15 kt of TNT (4.4 TJ). It falls in the range of a small nuclear device (20 t TNT for the smallest, 15 kt TNT for ...
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1answer
95 views

Speed of particles in an exploded asteroid

An asteroid of mass $M$ explodes into a spherical homogeneous cloud in free space. Due to energy received by the explosion the cloud expands and the expansion is spherically symmetric. At an instant ...
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0answers
50 views

Speed of an explosion [closed]

If I am standing $10$ feet away from an explosion, what would hit me first? Shock wave, sound, shrapnel, etc (besides light!) If the shock wave was powerful enough, is it possible to be thrown out of ...
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0answers
24 views

Angle of shock from a horizontally propagating detonation?

In a recent video about the explosion during testing of the SpaceX protoype, Scott Manley analyzes the explosion, and when showing a frame-by-frame says of the apparent shock wave seen in the result: ...
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0answers
18 views

Energy of Sagittarius A*'s Relativistic Jet

As far as I have known, our center of the Milky Way, the supermassive black hole Sagittarius A*, weighing 4,000,000 times the mass of our sun, had erupted 3.5 million years ago, the explosion of ...
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1answer
18 views

Terminal velocity of accelerated rain drop

Lets say an airplane flies above a cloud and drops a bomb that detonates inside the cloud. The detonation velocity is 6900m/s. Will a raindrop surrounding the detonation site be accelerated to ...
0
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1answer
23 views

Distance of a shrapnel ball with air resistance [closed]

How can we determine the distance a steel ball inside a grenade will fly horizontally taking into account air resistance? If we assume that the detonation velocity is 6900m/s(TNT), the ball has a ...
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1answer
45 views

What explosives work best with water? [closed]

What explosives work best with water? For Example: If there was an olympic pool and I dropped some explosive into it. With which explosive type would detonation velocity and pressure be most ...
0
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1answer
48 views

Physics of Project Orion

I was reading the book "Project Orion" by George Dyson. For those who are unaware, Project Orion was basically a plan to launch a spaceship by flinging bombs out the rear and detonating them. The ...
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1answer
18 views

Water Droplet Size Explosion

How do I control the droplet size in a water balloon during a midair explosion? In other words: can the droplet size be influenced by the choice of explosive inside the water balloon?
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1answer
28 views

Correlation among the terms “convergence”, “accumulation” and “explosion” [closed]

I am developing an essay on music perception by approaching some mathematical and physical notions. As such, the term I am addressing and interested in is the "convergence", which pairs in mathematics ...
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0answers
48 views

Why did the Baker Shot have a normal mushroom cloud instead of a radial blast wave?

The US tested its first underwater nuclear device with the Baker Shot in Bikini lagoon. It was supposed to be identical to the Fat Man device dropped on Japan. However it was measured at 23 kt ...
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2answers
74 views

Why doesn't Earth explode from the great pressure inside?

The inside of Earth is very hot, molten, and under incredible pressure. When small cracks form, the pressurized contents spill out and we get volcanoes and eruptions. So does that mean that with a ...
0
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1answer
74 views

Everything will not just turn into vapor in the ground zero of nuclear explosions but hydrogen plasma

Calcium atoms can't withstand extreme heat according to this link. http://abyss.uoregon.edu/~js/ast122/lectures/lec09.html "Why do some stars have strong lines of hydrogen, others strong lines of ...
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1answer
106 views

An asteroid strikes Earth. I’m skydiving. Do I die? [closed]

Let’s say I’m skydiving at a high altitude and, while falling, an asteroid strikes Earth. Is there a certain mass / momentum of the asteroid below which I would have a chance of surviving? Or would ...
1
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1answer
82 views

Possible to make a shaped charge with a nuclear weapon? [closed]

Ignoring the practicality of doing something like this, would it be possible to make a large scale shaped charge using nuclear weapons, or is there some limitation that makes this only possible with ...
0
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1answer
31 views

How can a chemical substance explode, producing only solid products?

Silver acetilyde, like some other salts of silver, is unstable and explodes with great force. However, unlike almost all other explosive compounds, it doesn't produce any gases - it only produces ...
1
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1answer
106 views

Hydrogen bomb without fission stage

The majority of existing nuclear warheads are Thermonuclear devices implementing the Teller--Ulam design. It includes a first stage of "traditional" nuclear fission explosive (Uranium and/or Plutonium)...
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3answers
69 views

In the fuel of atomic bombs when does neutron fission activity begin?

Do scientists first initiate neutron activity within the subcritical masses of fuel in the lab, or are the masses already undergoing some kind of minor neutron detachment naturally, or finally, is ...
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0answers
22 views

In a thermonuclear explosion, how do peak temperature and pressure fall off with distance?

I'm particularly interested in the following scenario: a small H-bomb (say in the 100 kT range) that is detonated at the lowest point of a deep hemispherical well, say 2 km radius and depth. What ...
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0answers
55 views

Chernobyl catastrophy

Reducing the power produces xenon that lowers the speed of nuclear reactions even more.Did the increasing of power by expelling the control rods trying to force the xenon to undergo fission had ...
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1answer
36 views

Why must there be a delayed ignition for a vapor cloud explosion?

I got this from the internet - “Ignition of the flammable vapor cloud must be delayed until a cloud of sufficient size has formed. If ignition occurs as the flammable material is escaping, a large ...
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3answers
2k views

Why did my thermos flask/jug explode after stirring with a stainless steel spoon?

I always use a thermos jug when making tea. This time I filled the jug with tea leaves and hot water (around 100 degree celcius). I closed the jug and noticed that the tea was too weak therefore I ...
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1answer
75 views

Can a nuclear weapon destroy another nuclear weapon in flight? [closed]

I was thinking the other day, we have quite a few nuclear weapons in our arsenal. Say a country uses ballistic or cruise missiles on us. Can't you send up another nuclear weapon and detonate it within ...
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2answers
99 views

How are thermonuclear weapons possible?

Given the fact that thermonuclear devices are a mix of fission through enriched uranium whose energy initiates the fusion in surrounding deuterium. Question is (how come) fission raises temperature so ...
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1answer
53 views

How to simulate an explosion in space [closed]

I have a simulation of some bodies orbiting each other in space, and I would like to add explosions to it to see how the behave, but I don't know how to do it. Sorry if this is has been asked before, ...
2
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1answer
174 views

Was Chernobyl Explosion a Small Nuclear Detonation?

The Chernobyl reactor was designed to produce a maximum of 3.2 megawatts of power. It is now estimated to have produced 3.2 gigawatts of power in the final second of its life. The original ...
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1answer
365 views

How to calculate speed of shrapnel based on explosive's speed of detonation?

I'm trying to calculate the initial speed of shrapnel from a grenade. Using the US's M67 hand grenade as a baseline/reference: Total mass: 400g Explosive's mass: 180g Explosive's detonation speed: ...
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2answers
60 views

Nuclear-powered Ramjet + criticality

I came across this Wikipedia entry about Project Pluto; a nuclear-powered ramjet that the U.S. was developing back in the day. https://en.wikipedia.org/wiki/Project_Pluto This missile would have ...
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2answers
74 views

Could you use the detonation of a Hydrogen bomb or atomic bomb to start a nuclear fusion reactor [closed]

Would this lead to a reactor that produced more energy than you put in?
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1answer
72 views

Is it possible to destroy a typhoon by bombs?

When a typhoon is still on the ocean, if a big bomb or several bombs are thrown to it, maybe at the eye, or at the part where the wind circles fastest, can the bomb destroy the typhoon?
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0answers
25 views

Is $TdS = dU + PdV$ true at very high strain rates? (Thermodynamic equilibrium)

I have read some reports of scientists who are interested in equations of state for unreacted explosives. They want these equations of state to describe the mechanical response of an explosive as it ...
3
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1answer
194 views

How would a nuclear explosion really operate in outer space?

(Repost from RPG.SE, per the community's suggestion.) A friend recommended I post this question here - said I'd be more likely to get a useful response than, say, from Reddit. My question is: How ...
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0answers
20 views

What is the “explosion” caused by Hawking radiation, and how do you calculate its strength? [duplicate]

According to my limited knowledge of Hawking radiation, there is an "explosion" when the black hole fully radiates away. What is this explosion? Is it in the form of EM radiation only, or something ...
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3answers
83 views

Waves generated in an explosion

A cracking furnace exploded in a petrochemical industry building near my city somedays ago. The building is more or less far from the city, and even so people could notice the explosion. The windows ...
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3answers
194 views

Could the end cap of the Pascal B (1) survive its trip through the atmosphere?

In 1957, the US had a nuclear test where a shaft was dug 152 meters into the ground. A 100 mm thick, 900 kg steel plug was installed and welded at the top of the shaft. Under it was 2 feet of ...
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1answer
86 views

Trinity vs Nagasaki

From what I read the radiation levels in Nagasaki today are equivalent to the natural background radiation levels in the surrounding areas. On the other hand, the radiation levels at the Trinity test ...
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0answers
57 views

How can corium eating its way into water tanks cause a megaton scale explosion? [duplicate]

The 2019 miniseries "Chernobyl" appears to state that the "lava like" substance of melted radioactive matter from the core, the so-called "corium", could eat its way down into the water reservoirs ...
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1answer
59 views

Will the mass of a stick of dynamite be conserved when it is exploded?

If a stick of dynamite is blown up in a hermetically sealed chamber, the mass of the chamber and fragments, the heat, sound, and light would still be equal to the original mass of the chamber and ...
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8answers
18k views

How large would the steam explosion at Chernobyl have been?

So the second episode of the HBO series began to cover the risk of a steam explosion that led to them sending three divers into the water below the reactor to drain the tanks. This occurred after the ...
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1answer
67 views

What is the maximum energy that can be released by thermonuclear device?

Forgive me by posing this somewhat scary question, but it's just out of curiosity I'm asking it. In this video we're witnessing the beautiful and at the same time horrific blast of the tsar bomba, ...
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1answer
1k views

What would happen if you dropped a stick of dynamite from a high place?

If you were to drop a stick of dynamite from a high place, what would happen once it hit the ground, and why?
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1answer
196 views

Is making nuclear bomb using natural uranium possible?

I know that the critical size of natural uranium metal with graphite moderator is about 27 tons "oak ridge graphite reactor". for comparison highly enriched uranium have only 17 kg critical size with ...
2
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1answer
115 views

Can hydrogen plasma react with oxygen?

What if you put hydrogen in a vacuum and turned it into a plasma? There is no oxygen in the vacuum, but once you eject the plasma would it react drastically with the oxygen? Would it explode? Would ...
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1answer
44 views

What comes out of binary black holes at end of inspiral?

When 2 blackholes are orbiting each other so close that they lose more energy in form of gravitational wave, this process is inspiral and is unstoppable until it explodes. This is an extremely violent ...
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2answers
9k views

How do we get supersonic bullets?

I recently answered a question on the WorldBuilding forum about grenades and bullets. One of the things that came up was that I argued smokeless powder in a rifle round could detonate, but was ...
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5answers
891 views

What is the Half-Life of a Large Chunk of Fissile Material?

Uranium-$235$ has a half-life of about $700$ million years and a critical mass of about $52\,$kg. That means if you take a large number of $U$-$235$ atoms, say a $26 \,$kg amount, and put each atom in ...

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