Fission chain reaction dynamic demonstrator

A technology of chain reaction and demonstrator, applied in instruments, educational tools, teaching models, etc., can solve the problems of lack of science popularization exhibits, unfavorable nuclear fission knowledge science popularization and education, etc.

Inactive Publication Date: 2008-05-14
嘉兴市科技馆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is a lack of popular science exhibits related to nuclear fission in China, especially there is no dynamic demonstration instrument for nuclear fission chain reaction, which is not conducive to carrying out popular science and educational activities on nuclear fission knowledge

Method used

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  • Fission chain reaction dynamic demonstrator
  • Fission chain reaction dynamic demonstrator

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Embodiment Construction

[0018] As shown in Figure 1, the nuclear fission chain reaction dynamic demonstration instrument includes a bracket 1, a glass container 2, an inlet 3, a bottom plate 4, a swing cylinder 5, an air pump 6, an air blowing port 7, a circuit control board 8, and a split neutron Ball 9, impacting neutron ball, photoelectric sensor 10, positioning cylinder 11, ball collection container 12, ball-out cylinder 13, ball-out port 14, small lamp 15 and effect lamp 16. Glass container 2 is arranged on support 1, and it is fully enclosed, and its side is provided with a glass door 21 that is connected by hinge. The inlet opening 3 is located on the top of the glass container 2 downwards. The lower end of glass container 2 is connected with side plate 17, and the bottom of side plate 17 links to each other with base plate 4, and effect light 16 is located at the inside of side plate 17, and effect light 16 links to each other with programmable controller 18. The air blowing port 7 is also a...

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Abstract

The invention discloses a nuclear fission chain reaction dynamic demonstrator, which comprises a bracket, a glass container, a bottom plate, a goal opening, a swing cylinder, an air pump, an air blowing port, a programmable controller, a splitting neutron ball and an impacting neutron ball , the glass container is arranged on the support, the bottom plate is arranged under the glass container, the atomic nucleus model map arranged together is arranged on the bottom plate, a notch is arranged on the bottom plate corresponding to the atomic nucleus model map, and the split neutron ball is placed in the notch, The blowing port is arranged at the lower side of the glass container, the shaft of the swing cylinder is supported on the bottom side of the bottom plate, the ball opening is located at the top of the glass container, and the swing cylinder is connected with the programmable controller. The demonstrator of the invention can dynamically demonstrate nuclear fission chain reaction, and is convenient for science popularization and education of nuclear fission knowledge.

Description

technical field [0001] The invention relates to a dynamic demonstration instrument for demonstrating nuclear fission chain reaction. Background technique [0002] Nuclear fission is the process of splitting an atomic nucleus into several atomic nuclei. Only some atomic nuclei with very large masses, such as uranium and thorium, can undergo nuclear fission. Under the bombardment of a neutron, the nuclei of these atoms will split into two or more nuclei with smaller masses, releasing two to three neutrons and a lot of energy at the same time, and the newly produced neutrons can make other nuclei Nuclear fission ensues..., thereby continuing the fission process, which is called a chain reaction. The nuclear fission chain reaction process occurs instantaneously. At present, there is a lack of science popularization exhibits related to nuclear fission in China, especially there is no dynamic demonstration instrument for nuclear fission chain reaction, which is not conducive to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/20
Inventor 朱建民解德扣殷建平
Owner 嘉兴市科技馆
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