The new propulsion system is designed to propel small satellites into space.
Engineers from the Spanish company IENAI Space have created a unique palm-sized engine called ATHENA, designed to move small satellites through space, Universe Today writes.
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Unlike giant rocket engines, ATHENA’s propulsion system is small, fits in the palm of one’s hand, and can be used to maneuver and propel CubeSats and small satellites while in space.
This electrospray engine was developed specifically for the European Space Agency (ESA) and, if all goes as planned, the first working prototype of the unit will be ready by the end of this year. The new engine was based on electrospray technology, which is used in mass spectrometry but has now found its place in space.
Important
Each motor has seven emitter arrays, each placed on silicon wafers using nanotechnology. Each array contains 500 small emitters that emit ions at high speed.
Electrically charged conductive salt particles are repelled and driven by an electrostatic field, creating a maximum thrust force that can be around 20 km per second. This concept is very similar to ion engines currently in use, but on a much smaller scale.
Engineers consider the ATHENA engine to be both economical and environmentally friendly. Non-toxic conductive salts are used as fuel and this fuel does not need a storage tank.
The small size of the engines means that they can be grouped in any configuration of up to six pieces, which can be placed on the front of a small 10 cm satellite. At the same time, the thrust generated by the engine allows satellites weighing up to 50 kg to maneuver and move in space. Engineers hope they can power the engine on satellites weighing up to 300 kg.
The ATHENA engine has successfully passed preliminary tests and IENAI Space plans to have a working prototype ready by the end of 2024. The ATHENA engine looks like a promising development, but ESA is working with its partners on two other engines based on electrospray technology that will be introduced soon.
As I already wrote FocusTwo space stories in 2024 will determine the future of humanity. The most anticipated space mission will take place this year, but humanity has to survive a possible disaster in orbit.
Source: Focus
Ashley Fitzgerald is an accomplished journalist in the field of technology. She currently works as a writer at 24 news breaker. With a deep understanding of the latest technology developments, Ashley’s writing provides readers with insightful analysis and unique perspectives on the industry.