A kind of alpha particle cascade decay radioactive material and the propulsion device and renko thruster made of it

Abstract

Disclosed are a radioactive material with alpha particle cascade decay and a propulsion device made from the radioactive material, and a lotus seed propeller. By subjecting the radioactive material to an alpha decay reaction to radiate high-energy particles, the propulsion device generates a propulsion force. With 242Cm per gram and a half-life of 163 days, the radioactive element can provide an impulse force of 3-5 μN, and with 238Pu per gram and a half-life of 87 years, the radioactive element can provide an impulse force of 0.02 μN. The propulsion device which is formed from the radioactive material and has a specific surface shape can realize a propulsion force in a specific direction, thereby generating a propulsion force perpendicular to a focal plane of the propulsion device. The propulsion device can provide a propulsion force that is stable for over a hundred years, and is particularly suitable for micro-propellers and also applicable for high-power propellers.

Description

technical field [0001] The invention belongs to the field of aerospace propulsion technology, in particular, it relates to a radioactive material that can be used to generate continuous propulsion in a state of weightlessness and alpha particle cascade decay radioactive material, a propulsion device made of this material, and the propulsion device Formed lotus seed propeller. Background technique [0002] Aerospace technology is a complex system engineering, and it is one of the most competitive and fastest-growing high-tech technologies in the world. The propeller is one of the most important subsystems of the spacecraft. With the continuous extension of the life of the satellite, the continuous expansion of the scale, the change of the satellite configuration to meet the load requirements, and the new requirements for rapid response, the propulsion system is facing new challenges. To meet the challenges, we must continue to innovate and continuously improve. [0003] At ...

AI Technical Summary

Problems solved by technology

[0003] The current international mainstream space electric propulsion is based on technologies such as high-voltage accelerated ions based on mesh anodes, microwave cyclotron resonance accelerated ions, and Hall magnetic induction principle accelerated ions, all of which require high-voltage power supplies, magnetic fields, vacuum pumps and complex supporting devices to achieve The propulsion function is large in size and weight, and the subsystems are complex and prone to failure. It is difficult to achieve stable propulsion for hundreds of years

[0004] In order to solve the above-mentioned problems, the solutions adopted in the prior art, but these solutions themselves have the following defects: today, small satellites, micro-satellites and nano-satellites have advantages such as short development cycle, low cost, small risk, and great military application prospects. Become the development trend of contemporary satellite

High-energy ion propulsion can generate corresponding thrust, but it is not suitable for small satellites because of the need for power supply, magnetic field, and complex vacuum system

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