Questions tagged [nuclear-power]
Questions about generation of heat and power by nuclear phenomena, usually but not limited to radioactive decay (fission reactions). For weapons relying on nuclear phenomena, consider [weapons] and [weapon-mass-destruction] instead.
99
questions
4
votes
2
answers
163
views
What is the most advanced engine for deep space use that could be developed between around 1970 and 1990 with an IPP level space budget?
There have been a lot of different concepts that were studied for propulsion, but most of them are still quite far off engineering wise and even the closer ones are limited by budget.
"IPP level ...
- 5,165
10
votes
10
answers
3k
views
Everything has a tiny nuclear reactor in it. How much of a concern are illegal nuclear bombs?
In this world, basically every structure (building, factory, car, etc...) has a tiny nuclear reactor in it, and operates like a nuclear submarine. There isn't even an electrical grid; every structure ...
- 13.1k
4
votes
3
answers
939
views
How long can nuclear power plants last without the power grid and humanity? [duplicate]
Here is the question: "Following an immediate, irreversible collapse of the power grid and the medium-term (few decades) disappearance of humanity, would would happen to nuclear power plants?&...
- 49
2
votes
1
answer
322
views
Is there any version of an ion drive, fictional or not, that would be able to create torchship-like acceleration for interplanetary travel? [closed]
Im trying to find a way to get a torch-ship up to some 0.x % of lightspeed with a ion-thrust like engine.
Let assume power is a non-issue, unless its becoming absurd (it makes no sense to propel a ...
- 377
8
votes
3
answers
2k
views
How big should this starship's power system be?
I have a near future starship that weighs about 10,000 tons. I've determined that the ship needs a 500 megawatt fission reactor, but the problem is that even though nuclear fuel rods are obscenely ...
- 101k
7
votes
1
answer
206
views
What noise would a nuclear gas turbine make? [closed]
At the core of the powerpacks of the upcoming generation of powered exoskeletons are dusty plasma fission fragment reactors, in which nanoparticles of nuclear fuel inside a vacuum undergo a fission ...
- 13.1k
-1
votes
1
answer
142
views
What will happen to nuclear power stations / reactors if chain reaction suddenly stops to provide energy?
What will happen to reactors if nuclear fission chain reactions in some specific areas will just stop working?
Other types of nuclear phenomena (ones with gamma rays, positrons,etc) are still in ...
- 338
3
votes
3
answers
775
views
The late-victorian nuclear-thruster
Nuclear fission! How hard can that be? Nuclear reactors have been quietly humming under the earth's surface only a few billion years ago after all.
It's very convenient then, that my planet's quite a ...
- 1,302
19
votes
7
answers
7k
views
Could a steam-age civilization trial-and-error their way to a nuclear reactor if they had access to enough fissile material?
I think this boils down to a question of how much fundamental understanding is needed to build a very basic nuclear reactor to boil water.
If fissile material was readily available to an otherwise ...
- 1,973
4
votes
6
answers
3k
views
Can You Make A Tiny Nuclear Reactor By Employing Supercritical Conditions For Brief Periods Of Time?
The idea is that you would have pieces of plutonium or U233 close enough that if left to their own devices they should go supercritical in a fraction of a second. However, in between the pieces you ...
- 2,803
3
votes
3
answers
319
views
Feasibility of Tiny Nuclear Engines
In this setting nuclear material is incredibly cheap, while all hydrocarbons need to be synthesized from scratch. Additionally people have shadow magic which allows them to both easily shield against ...
- 2,803
13
votes
13
answers
5k
views
What sort of nuclear-based transportation would be best suited to cheaply transporting large amount of cargo if radiation weren't a concern?
In this scenario people are in a constant war on an infinite flat world with the geography of Antarctica's interior (but with no liquid water or hydrocarbons). Notably this world has an abundance of ...
- 2,803
8
votes
3
answers
2k
views
The Frozen Star - Can U-238 reactors be used as a energy source for 10,000 years?
I was watching this Minecraft Animation video based on a scientific concept about what would happen if we froze the Sun - What happens if we Freeze The Sun- Portrayed by Minecraft.
In this video, ...
- 3,422
5
votes
3
answers
272
views
Could a sufficiently heavy element serve as a muon source to catalyze nuclear fusion?
I have lately been researching methods of "cold fusion", or fusion reactions which do not generate much waste heat, for use as a spacecraft power system (my propulsion system idea is ...
- 1,042
27
votes
11
answers
7k
views
Nuclear Piston Engine - Is it possible?
While researching unique methods of nuclear energy generation and propulsion, I encountered many things, both in rocketry and aerospace. For instance, the nuclear thermal jet engine. However, I found ...
- 1,660
-2
votes
1
answer
91
views
Power Source in VENUS [closed]
**What is the best Power Source to use in VENUS to generate electrical Power by using the properties of the VENUS land? **
I was thinking about the RTG but I found a lot of disadvantages of it.
3
votes
3
answers
531
views
How effectively recover enriched uranium from nuclear impact site?
In the world(not Earth, but eath-like), I am building there was a nuclear exchange recently. Recently, I mean 25(subject to change) years into the past. I am describing a small clump of cities near ...
- 1,138
4
votes
6
answers
526
views
For how much and for how long would a "Closed Cycle Nuclear Thermal Rocket Engine" generate thrust for a floating ship?
Context/TLDR:
The "Closed Cycle Nuclear Thermal Rocket Engine" is just a big nuclear steam engine that in this specific case, uses the (non radioactive) water steam to stay in air, at the ...
- 381
3
votes
3
answers
444
views
Is a Nuclear Thermal Propelled Submarine Possible?
So I've recently read about NTR's and how they can be applied in space. Here is a link to the website that I've looked at: http://www.projectrho.com/public_html/rocket/enginelist2.php#ntrsolidcore
It ...
- 123
2
votes
4
answers
752
views
In this alternate history, what great 19th century mind would most likely create the first nuclear powered engine?
I’m bringing nuclear power to the 19th century and need to know who had the tools and connections to become the 19th century “Father of nuclear power.”
Background: The Real World
Raw, unenriched ...
- 8,199
6
votes
2
answers
271
views
Unforeseen Consequences of Limiting Nuclear Fission
From my understanding nuclear fission takes place in two different scenarios and correlates with the speed of a neutron. In terms of material, we have fissionable material which undergo nuclear ...
- 3,153
11
votes
8
answers
5k
views
How might nuclear power have never been developed?
I've been thinking about a world in which nuclear power and nuclear weapons were never developed. What kind of mechanism would allow this to be possible?
Nuclear weapons seem the easiest option, with ...
- 5,165
4
votes
4
answers
194
views
How to cool Venusian atmosphere down?
Carbon dioxide dominates the Venusian atmosphere. While I think it is possible to use the thermal energy in the atmosphere to split carbon dioxide to carbon and oxygen, the process may be too slow to ...
- 305
4
votes
5
answers
279
views
With modern-day/near-future (i.e. potentially realizable within 20 years) technology, can a nuclear reactor with these characteristics be built?
I'm writing about a nuclear-powered tank. Yes, I know about what the problems associated with it are. No, the people in the setting don't care about radioactive contamination of their environment, or ...
- 13.1k
-3
votes
1
answer
214
views
Can we fulfill the world electricity production by nuclear power? [closed]
Nuclear energy is a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons. In today's world has 450 commercial nuclear power reactors operable in 30 countries.
...
5
votes
5
answers
356
views
What type of safety features would a commercial nuclear jet aircraft have?
Let's say that you have a commercially/privately-operated jet aircraft. It's not something that's going to be used by a single pilot, or someone making mail runs, or a bush pilot; it's more of the ...
- 13.1k
2
votes
1
answer
164
views
How much thermal energy, in joules per centimeter squared, is required to ignite common aerospace materials?
How much thermal energy, measured in joules per centimeter squared, would be required to:
melt (or ignite, if possible) commonly-used commercial airliner paint
melt (or ignite, if possible) commonly ...
- 13.1k
9
votes
4
answers
1k
views
Why would NSWR's be used when Orion drives are around?
In the setting I'm making, Orion drives are one of the primary forms of propulsion used in spacecraft. I have been thinking of adding Nuclear Salt Water Rockets (the lithium variety) alongside Orion ...
- 4,983
6
votes
1
answer
262
views
How self-sufficient a fast breeder nuclear power plant can be in a post-apocalyptic setting?
Setting
The full society collapse is starting, and a group of people know it. It may or may not lead to a total extinction event. They can't protect a whole city but a couple of hectares is doable. ...
- 257
2
votes
6
answers
595
views
How would the sudden disappearance of nuclear weapons and power plants affect Earth geopolitics?
Backstory
The setting is Earth in 2021 OTL. An invisible space station of an arbitrarily advanced alien civilization is orbiting around Earth keeping watch on humanity. The aliens have determined that ...
- 1,201
1
vote
1
answer
126
views
Could a pebble-bed reactor provide sporadic power for millions of years?
The device needed is a monitoring system. Aliens leave a probe on Earth or orbiting Earth, which typically lies dormant, but it awakes every 1,000 years or so to check life's status on Earth.
There's ...
- 171
2
votes
2
answers
63
views
How can a summoning circle dilute the effects of radiation over a wide surface area?
Summoning circles are a way to communicate with entities within the ethereal realm from beyond the veil. A mage uses the summoning circle as a bridge to bring the entity from its realm and ...
- 38.5k
6
votes
8
answers
1k
views
Running a nuclear power plant in the post-apocalypse: is it possible?
So, the apocalypse has occurred, and for about 150 years humanity spent its time wallowing in misery, sorrow, and so on.
So moving on, in the northwest of Nevada there’s an abandoned nuclear reactor, ...
- 11.3k
5
votes
1
answer
262
views
How could a brown dwarf be used for energy?
I've been thinking about a civilization on a planet orbiting around a brown dwarf drifting in interstellar space. Obviously, by definition, a brown dwarf is too small to have much fusion on its own. I'...
- 171
9
votes
3
answers
781
views
If people were the size of squirrels, would we ever have developed nuclear fission?
If people were about 1 foot tall and weighed about 1 pound, would we ever have made a reactor or an atomic bomb? Because critical mass doesn't change, the scale of the project to mine and process ...
- 5,559
2
votes
2
answers
98
views
How Can An Alien Ship Harness Nuclear Energy? [closed]
A massive alien vessel is buried in a sandbank under the sea. Research subs detect a vast supply of nuclear energy held within it.
I've been researching power plants, fission and the processes that ...
- 861
1
vote
2
answers
160
views
Do chemicals from nuclear reprocessing waste remain radioactive? Are they flammable?
I'm writing a story about a town whose residents all work at a nuclear reprocessing site. Some teenagers begin to hang out near a small body of water close to the site that they call "the swamp". The ...
- 29
1
vote
3
answers
349
views
How can a mage who can only cast in-situ thermonuclear explosion spell moves up the ranks?
Set in the modern day, many talented citizens especially those who can cast magic spells are encouraged to join the army. A very small group of mages can tap into the nuclear forces at will but they ...
- 48k
7
votes
2
answers
465
views
How much of the earth would be in an exclusion zone if all 450+ nuclear reactors failed simultaneously?
I'm about to flood the planet with magic, which doesn't play nice with tech, especially power. The only places tech will still work are Null Zones which cancel magic due to deposits of minerals (the ...
- 73
7
votes
1
answer
316
views
How long can the entire civilization be powered by converting all nuclear arsenal into commercial reactor fuel?
Imagine a miracle happened and all leaders decided to wind back the minute hand of the doomsday clock and passed a bill that can transform all kinds of nuclear weapons into fuel for power plants, ...
- 48k
8
votes
1
answer
861
views
Usability of fusion scoops in deep space?
How effective would it be to use fusion scoops as an actually effective method of interstellar travel? How quickly could you generate thrust? How much fuel would such a thing need, and would it work ...
- 2,546
1
vote
3
answers
988
views
What would be the best way to power a mecha? [closed]
While searching around, I kept hearing that fusion was a good choice, but how best to covert the energy to electricity was an issue.
However, during my research, I came across this:
Photon-...
- 415
3
votes
7
answers
1k
views
Good explanation for why aliens can't build nuclear engines?
"Aliens used uranium and plutonium to generate energy for thousands of years. However, by the time they got into space exploration, they've used up every last bit of it. That's why they'll have to try ...
15
votes
4
answers
4k
views
Could I build a nuclear reactor based on Bernoulli's principle?
So I was recently inspired by the answers that I saw on this stack exchange to the following question: Feasibility of H.G. Wells' Continuously-Exploding Atomic Bombs
And it occurred to me that ...
- 447
9
votes
10
answers
607
views
Would there be any place for nuclear-powered spaceships in a world where antimatter propulsion is the standard?
Nuclear fission rockets are becoming obsolete and have been superseded by the more efficient antimatter engines, which have nearly 100% efficiency and do not produce pollutants.
I'm wondering this: in ...
- 48k
1
vote
8
answers
358
views
Is it possible to cover up a nuclear accident occurring at Area 51?
In 1986, the greatest heist ever attempted was carried out in secrecy not even KGB is aware of it. A group of special agents managed to steal the blueprint for RBMK-9600, a nuclear reactor which uses ...
- 48k
5
votes
5
answers
453
views
How hard would it be for a nuclear ramjet drone fighter to be shot down with modern antiaircraft (AA) systems?
TLDR: ~ mach 3, practically unlimited range but presumably substandard stealth characteristics. Would it be a game breaking weapon on modern air battlefield or merely would require tactics adjustment ...
- 10.1k
0
votes
3
answers
109
views
SFR Breeders on Small Mars Moon feasibility
Need help with a topic for a sci-fi book. Basic premise is 200yr in future, mining facility on small Mars moon of Phobos. Power source we would like is an Sodium Fast Reactor breeder as we think this ...
6
votes
5
answers
1k
views
Containing the radiation of a nuclear powered aeroplane
Let us assume that in the next 50 years one of the large nation-states of our world will build nuclear powered planes, for intercontinental flight. Supposedly, the nuclear planes would be bigger, ...
- 2,537
3
votes
6
answers
295
views
Powering a Nanobot Via Nuclear Fission of Its Material
First let me say that I know almost nothing but the basics about nuclear fission. I know more about nano robotics but I've got no degree in the matter, just a rather in depth curiosity and a lot of ...
- 31