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  2. Neutron generator - Wikipedia

    en.wikipedia.org/wiki/Neutron_generator

    Examples of neutron tube ideas date as far back as the 1930s, pre-nuclear weapons era, by German scientists filing a 1938 German patent (March 1938, patent #261,156) and obtaining a United States Patent (July 1941, USP #2,251,190); examples of present state of the art are given by developments such as the Neutristor, [3] a mostly solid state ...

  3. Neutristor - Wikipedia

    en.wikipedia.org/wiki/Neutristor

    A neutristor is a compact neutron generator made using solid-state electronics, invented at Sandia National Laboratories. [ 1 ] [ 2 ] [ 3 ] Its primary purpose is to act as a light-weight, cheaper, and safer alternative to standard neutron generation devices , benefiting industries and processes such as oilfield operations, heavy mechanical ...

  4. Control rod - Wikipedia

    en.wikipedia.org/wiki/Control_rod

    The rods may have the form of tubes filled with neutron-absorbing pellets or powder. The tubes can be made of stainless steel or other "neutron window" materials such as zirconium, chromium, silicon carbide, or cubic 11 B 15 N (cubic boron nitride). [3] The burnup of "burnable poison" isotopes also limits lifespan of a control rod. They may be ...

  5. Neutron source - Wikipedia

    en.wikipedia.org/wiki/Neutron_source

    Some isotopes undergo spontaneous fission (SF) with emission of neutrons.The most common spontaneous fission source is the isotope californium-252. 252 Cf and all other SF neutron sources are made by irradiating uranium or a transuranic element in a nuclear reactor, where neutrons are absorbed in the starting material and its subsequent reaction products, transmuting the starting material into ...

  6. Dense plasma focus - Wikipedia

    en.wikipedia.org/wiki/Dense_plasma_focus

    A dense plasma focus (DPF) is a type of plasma generating system originally developed as a fusion power device starting in the early 1960s. The system demonstrated scaling laws that suggested it would not be useful in the commercial power role, and since the 1980s it has been used primarily as a fusion teaching system, and as a source of neutrons and X-rays.

  7. Organic nuclear reactor - Wikipedia

    en.wikipedia.org/wiki/Organic_nuclear_reactor

    The only commercially operational OCR was the Piqua Nuclear Generating Station in Ohio. An organic nuclear reactor, or organic cooled reactor (OCR), is a type of nuclear reactor that uses some form of organic fluid, typically a hydrocarbon substance like polychlorinated biphenyl (PCB), for cooling and sometimes as a neutron moderator as well.

  8. Modulated neutron initiator - Wikipedia

    en.wikipedia.org/wiki/Modulated_neutron_initiator

    A modulated neutron initiator is a neutron source capable of producing a burst of neutrons on activation. It is a crucial part of some nuclear weapons, as its role is to "kick-start" the chain reaction at the optimal moment when the configuration is prompt critical. It is also known as an internal neutron initiator.

  9. Fusor - Wikipedia

    en.wikipedia.org/wiki/Fusor

    An important development was the successful commercial introduction of a fusor-based neutron generator. From 2006 until his death in 2007, Robert W. Bussard gave talks on a reactor similar in design to the fusor, now called the polywell , that he stated would be capable of useful power generation. [ 25 ]