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Atomic bomb

Atomic bomb

Use that nuclear fission reaction of heavy atoms such as uranium -235 or plutonium -239,

A nuclear weapon that can release huge energy in an instant. Also known as fission bombs. The power of atomic bombs is usually several hundred to tens of thousands of tons of TNT equivalent, which is very destructive. It can be carried by different vehicles and become a nuclear missile, a nuclear aviation bomb, a nuclear mine or a nuclear shell. , can also be used as a hydrogen bomb (or trigger), to ignite light nuclear thermonuclear fusion reaction to provide the necessary energy.

The atomic bomb is mainly composed of detonation control system, high-energy explosive, reflecting layer, and nuclear components consisting of nuclear charge, neutron source and shell. The detonation control system is used for detonating high-energy explosives; High explosion is the energy that pushes and compresses the reflective layer and nuclear components. The reflective layer is made of beryllium or uranium -238. Uranium -238 can not only reflect neutrons, but also has a high density, which can slow down the expansion of nuclear charge in the process of releasing energy and maintain a chain reaction for a long time, thus improving the explosive power of atomic bombs. The nuclear charge is mainly uranium -235 or plutonium -239.

In order to trigger a chain reaction, the neutron source must provide "ignition" neutrons. Neutron sources used in nuclear explosive devices can be: deuterium-tritium reaction neutron source, polonium -2 10- beryllium source, plutonium -238 atomic bomb explosion beryllium source and californium-252 spontaneous fission source. The high temperature and high pressure produced by the atomic bomb explosion and neutrons, gamma rays and fission fragments produced by various nuclear reactions eventually form shock waves, optical radiation, early nuclear radiation, radioactive pollution and electromagnetic pulses. The atomic bomb is an outstanding example of the rapid application of the latest scientific and technological achievements to the military. 1939 10 In June, the U.S. government decided to develop atomic bombs, and 1945 built three atomic bombs. One was used for experiments and two were cast in Japan. The time when other countries exploded the first atomic bomb was: Soviet Union-1August 29th, 949; UK-1952 65438+1October 3rd; France-1960 February13; China-1964101October16; India-1974 may 18. China's first nuclear test was conducted by tower explosion, using implosion uranium bombs. May 1965 During the second nuclear test, a nuclear device was dropped by plane. 1966101October 27th, the fourth nuclear test, the nuclear warhead was carried by a missile.

Atomic bomb explosion

Since the advent of the 1945 atomic bomb, the atomic bomb technology has been continuously developed, the volume and weight have been significantly reduced, and the tactical and technical performance has been improved day by day. The miniaturization of the atomic bomb is of great significance to improve the tactical and technical performance of nuclear weapons and to be used as the initiation device (also known as "trigger") of hydrogen bombs. In order to meet the needs of battlefield use, a variety of nuclear weapons with low equivalent and adjustable power have been developed. In order to improve the performance of the atomic bomb, an enhanced atomic bomb is developed, that is, deuterium or tritium is added to the atomic bomb, and the deuterium or tritium is ignited by the energy released by nuclear fission, so that thermonuclear reaction occurs, and the high-energy neutrons released in the reaction fission more nuclear charges, thereby improving the power. This kind of atomic bomb is different from hydrogen bomb, and the energy released by its thermonuclear charge accounts for only a small part of the total equivalent. The initiation mode of high-energy explosives and the structure of nuclear explosive devices are also constantly improved, aiming at improving the utilization efficiency of explosives and the compression degree of nuclear charges, thus improving the power and saving nuclear charges. In addition, increasing the penetration, survivability and safety of atomic bombs has been paid more and more attention.

Atomic bomb

Atomic bomb

Use that nuclear fission reaction of heavy atoms such as uranium -235 or plutonium -239,

A nuclear weapon that can release huge energy in an instant. Also known as fission bombs. The power of atomic bombs is usually several hundred to tens of thousands of tons of TNT equivalent, which is very destructive. It can be carried by different vehicles and become a nuclear missile, a nuclear aviation bomb, a nuclear mine or a nuclear shell. , can also be used as a hydrogen bomb (or trigger), to ignite light nuclear thermonuclear fusion reaction to provide the necessary energy.

The atomic bomb is mainly composed of detonation control system, high-energy explosive, reflecting layer, and nuclear components consisting of nuclear charge, neutron source and shell. The detonation control system is used for detonating high-energy explosives; High explosion is the energy that pushes and compresses the reflective layer and nuclear components. The reflective layer is made of beryllium or uranium -238. Uranium -238 can not only reflect neutrons, but also has a high density, which can slow down the expansion of nuclear charge in the process of releasing energy and maintain a chain reaction for a long time, thus improving the explosive power of atomic bombs. The nuclear charge is mainly uranium -235 or plutonium -239.

In order to trigger a chain reaction, the neutron source must provide "ignition" neutrons. Neutron sources used in nuclear explosive devices can be: deuterium-tritium reaction neutron source, polonium -2 10- beryllium source, plutonium -238 atomic bomb explosion beryllium source and californium-252 spontaneous fission source. The high temperature and high pressure produced by the atomic bomb explosion and neutrons, gamma rays and fission fragments produced by various nuclear reactions eventually form shock waves, optical radiation, early nuclear radiation, radioactive pollution and electromagnetic pulses. The atomic bomb is an outstanding example of the rapid application of the latest scientific and technological achievements to the military. 1939 10 In June, the U.S. government decided to develop atomic bombs, and 1945 built three atomic bombs. One was used for experiments and two were cast in Japan. The time when other countries exploded the first atomic bomb was: Soviet Union-1August 29th, 949; UK-1952 65438+1October 3rd; France-1960 February13; China-1964101October16; India-1974 may 18. China's first nuclear test was conducted by tower explosion, using implosion uranium bombs. May 1965 During the second nuclear test, a nuclear device was dropped by plane. 1966101October 27th, the fourth nuclear test, the nuclear warhead was carried by a missile.

Atomic bomb explosion

Since the advent of the 1945 atomic bomb, the atomic bomb technology has been continuously developed, the volume and weight have been significantly reduced, and the tactical and technical performance has been improved day by day. The miniaturization of the atomic bomb is of great significance to improve the tactical and technical performance of nuclear weapons and to be used as the initiation device (also known as "trigger") of hydrogen bombs. In order to meet the needs of battlefield use, a variety of nuclear weapons with low equivalent and adjustable power have been developed. In order to improve the performance of the atomic bomb, an enhanced atomic bomb is developed, that is, deuterium or tritium is added to the atomic bomb, and the deuterium or tritium is ignited by the energy released by nuclear fission, so that thermonuclear reaction occurs, and the high-energy neutrons released in the reaction fission more nuclear charges, thereby improving the power. This kind of atomic bomb is different from hydrogen bomb, and the energy released by its thermonuclear charge accounts for only a small part of the total equivalent. The initiation mode of high-energy explosives and the structure of nuclear explosive devices are also constantly improved, aiming at improving the utilization efficiency of explosives and the compression degree of nuclear charges, thus improving the power and saving nuclear charges. In addition, increasing the penetration, survivability and safety of atomic bombs has been paid more and more attention.

Anyway, it is to bombard the nucleus with neutrons and lose the energy generated from it.