Application Research Of Low-temperature Magnetic Pump in Spacecraft Fuel Supply System

Aug 02, 2024

With the continuous development of aerospace technology, the requirements for spacecraft fuel supply systems are also increasing. The fuel supply system needs to ensure stable and reliable operation, while also meeting requirements such as light weight and simple structure. Low temperature magnetic pumps have been widely used in spacecraft fuel supply systems due to their good sealing, small size, and light weight. This article will explore its principles, characteristics, and applications in spacecraft fuel supply systems.
1, Principles and characteristics:
Low temperature magnetic pump is a special centrifugal pump that uses magnetic force to transmit power, and it has the following characteristics:
1. Good sealing: The pump adopts leak free magnetic transmission technology, which ensures that the liquid will not leak during high-speed rotation, effectively avoiding environmental pollution and safety accidents caused by liquid leakage;
2. High efficiency and energy saving: There is no mechanical contact between its rotor and stator, which can reduce the mechanical losses of the pump. At the same time, the magnetic force acting on the pump is provided by permanent magnets, thus achieving high efficiency and energy saving;
3. Small size and light weight: It does not require the mechanical seals and bearings of traditional pumps, thus greatly reducing the volume and weight of the pump, making it suitable for applications such as spacecraft where weight and space are limited.
2, Application in spacecraft fuel supply system:
The spacecraft fuel supply system mainly includes fuel storage, transportation, and refueling. Traditional spacecraft fuel supply systems often use traditional centrifugal pumps for fuel delivery and refueling, but due to the leakage problem of traditional centrifugal pumps, they cannot meet the requirements of spacecraft. After adopting a low-temperature magnetic pump, due to its leak free and high-efficiency energy-saving characteristics, it can better ensure the stability and reliability of fuel delivery and refueling.
1. Fuel storage: It can be used in fuel storage systems to transfer fuel from fuel storage tanks to spacecraft fuel tanks through pumps. Due to its small size and light weight, it can greatly reduce the volume and mass of the system, and ensure the sealing of the fuel in the storage tank.
2. Fuel delivery: This pump can be used in fuel delivery systems to deliver fuel from fuel storage tanks to the spacecraft's fuel engines. Due to its leak free and energy-efficient characteristics, it can better ensure the stability and reliability of fuel delivery, while also greatly reducing the volume and mass of the system.
3. Fuel refueling: It can also play a role in ground refueling of spacecraft. Transporting fuel from the refueling station to the spacecraft's fuel tank through a pump can better ensure the stability and reliability of fuel refueling, while also shortening refueling time and improving work efficiency.
3, Conclusion:
With the continuous development of aerospace technology, the application of low-temperature magnetic pumps in spacecraft fuel supply systems is becoming increasingly widespread. It has the characteristics of good sealing, small size, light weight, high efficiency and energy saving, which can better ensure the stability and reliability of fuel transportation and refueling, and is suitable for situations where weight and space are limited, such as spacecraft. Therefore, this pump has significant importance in the fuel supply system of spacecraft.