Usable energy from alpha particles?

In summary, the conversation discusses the possibility of extracting usable energy from alpha particles through various techniques, depending on the vector distribution of their kinetic energy. The source of the alpha particles is ambient or cosmic radiation, with low fluxes that may make energy harvesting difficult.
  • #1
garyTheSnail
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TL;DR Summary
Usable energy from alpha particles?
Please excuse my physics ignorance.
Can usable energy be extracted from alpha particles? Perhaps in a manner similar to a photovoltaic panel producing power when exposed to light?
Thank you.
 
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  • #2
Since they are charged particles, you may be able to use Direct Conversion to extract electrical energy from their kinetic energy, depending on the vector distribution of that kinetic energy. What is the source of your alpha particles?

For other vector distributions of the KE, there are other techniques:

https://aip.scitation.org/doi/10.1063/1.872124

https://www.researchgate.net/publication/230911390_Utility_of_extracting_alpha_particle_energy_by_waves
 
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  • #4
Thank you for the replies and links. The source of the alpha particles is ambient or cosmic radiation.
 
  • #5
garyTheSnail said:
Thank you for the replies and links. The source of the alpha particles is ambient or cosmic radiation.
Ah, so very low flux, right? Ambient will be isotropic and cosmic will be slightly non-isotropic, but with such low fluxes it's hard to see much energy harvesting from either. Is that what you are thinking of calculating?
 
  • #6
There are approximately zero alphas in cosmic rays. There are only incrementally more than that in the ambient environment.
 
  • #7
Vanadium 50 said:
There are approximately zero alphas in cosmic rays. There are only incrementally more than that in the ambient environment.
But to how many significant figures? :wink:
 

1. What is an alpha particle?

An alpha particle is a type of ionizing radiation that consists of two protons and two neutrons. It is the largest and most highly charged type of radiation, and is emitted by certain radioactive materials.

2. How can alpha particles be used to generate usable energy?

Alpha particles can be used in a process called nuclear fission, where they are directed at a target material, such as uranium, to split its atoms and release energy. This energy can then be converted into electricity through various methods.

3. What are the advantages of using alpha particles for energy production?

One major advantage of using alpha particles for energy production is that they are highly energetic and can release a large amount of energy in a small amount of time. They also do not produce greenhouse gases or contribute to air pollution, making them a cleaner energy source.

4. What are the potential risks associated with using alpha particles for energy production?

One potential risk is the radioactive nature of alpha particles, which can be harmful to living organisms if not properly contained. There is also the risk of accidents or malfunctions at nuclear power plants, which can lead to the release of harmful radiation.

5. Are there any current uses of alpha particles for energy production?

Yes, there are currently several nuclear power plants around the world that use alpha particles to generate electricity. However, there is ongoing research and development to improve the efficiency and safety of using alpha particles for energy production.

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