Questions tagged [explosions]

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36 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 ...
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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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9 views

Exploding water balloon [closed]

Imagine a balloon at a height. The balloon is filled with water and in its middle there is an explosive charge. What is the force applied to the water? What is the approximate area covered by the ...
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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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46 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
68 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 ...
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1answer
70 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
105 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 ...
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1answer
62 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 ...
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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 ...
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70 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
68 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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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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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
25 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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1answer
67 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
96 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
48 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, ...
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30 views

Modeling the cooling rate of a nuclear fireball in space

I am interested in modelling the cooling and luminosity curves for a nuclear detonation in space (after the release of the prompt radiation). How do I get the timing of the second hump right? I tried ...
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1answer
153 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
249 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
71 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
69 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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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 ...
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1answer
151 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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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
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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
187 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
84 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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55 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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251 views

Risk of megaton steam explosion from Chernobyl? [duplicate]

In the new Chernobyl TV series (https://en.wikipedia.org/wiki/Chernobyl_(miniseries)), in episode 2, there's a reference to the risk of a steam explosion from the molten reactor core entering a water ...
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1answer
57 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
16k 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
64 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
462 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
159 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 ...
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1answer
99 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
41 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
877 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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0answers
57 views

How can I calculate the impulse caused by a nuclear bomb on structures?

I want to calculate the impulse caused by a nuclear bomb on structures. Is there a function that I can use to calculate the amount of impulse acted upon by a nuclear bomb depending on its size? Also, ...
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1answer
76 views

How does the lower-explosion-limit (LEL) of gasoline depend on O2 concentration?

The lower-explosion-limit (equal to lower-flameable-limit) of gasoline is 1.4 vol.-%. (https://en.wikipedia.org/wiki/Flammability_limit) I assume that this value derived for the mixture between ...
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1answer
71 views

Does plutonium need to be squeezed to produce an uncontrolled chain reaction?

I guess what I am asking is if in theory you could start with a certain amount of plutonium would it explode with out being squeezed together as is done in an atomic bomb ? Normally what happens ( ...
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1answer
664 views

Is kinetic energy of a system conserved during bomb explosion? [duplicate]

Conservation of momentum is a very obvious thing, but I can't figure out if kinetic energy would be conserved or not. You can think in two ways: Initial kinetic energy is zero and final kinetic ...
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3answers
282 views

How can you protect yourself from an acoustic shock wave?

To protect your electronics during a huge Electromagnetic Pulse in the RF range, all one needs is a Faraday shield for the most part. On the other hand, what do you do when you are near an acoustic ...
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1answer
79 views

What will happen to you if you're standing near exploding TNT bomb near 20meter away in Vaccum?

What I think here could be ,that we'll feel less powerful shock wave as there is no medium of air through which gases can travel . If their is any other possibilities than please suggest !
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49 views

Temperature of macroscopic explosions

How would one mathematically determine the temperature (if possible) of a detonation (non-chemical) of something on a macroscopic scale; more specifically: detonations from matter and anti-matter ...
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2answers
273 views

What happens if Jupiter is ignited?

I was wondering, what would happen if there was a large amount of oxygen released into Jupiter's atmosphere, than igniting it? Because Jupiter is 90% gas, therefore being a big fire waiting to happen (...
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2answers
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Observations of a mushroom cloud

In this video of a nuclear bomb detonation/mushroom cloud, a few peculiarities arise and I simply had a couple questions pertaining to observations in the animation: Following the detonation, the ...

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