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The UoS3 antennas deployed successfully after thermal vacuum testing

First test campaigns completed at the new CubeSat Support Facility

19/12/2018 1451 views 16 likes
ESA / Education / CubeSats - Fly Your Satellite!

ESA Academy is proud to announce that the new CubeSat Support Facility (CSF) is now open and has successfully completed its first test campaigns. Its purpose: offer training and test facilities for university students that are part, or aiming to be part, of ESA’s educational CubeSat initiatives such as Fly Your Satellite!

The CSF is an assembly integration and testing facility for CubeSats, located at the ESA Education Training Centre, based at the ESEC-Galaxia facility in Redu, Belgium. It is state of the art, designed and equipped according to industry quality standards.

The CSF boasts a cleanroom, along with the necessary equipment to perform integration activities and environmental tests on CubeSats and their subsystems – including complex and specialised equipment not often found in universities. With this new facility, the ESA Education Programme  is now able to provide CubeSat projects with end-to-end support, and to offer opportunities to participate in CubeSat projects to a large number of universities. This will all contribute to helping students gain knowledge and experience in satellite engineering and space project management.

Two main pieces of equipment will be particularly useful to students using the facilities:

  1. A Thermal Vacuum Chamber, to recreate the vacuum and temperature conditions that CubeSats will experience in space, with temperatures varying from extreme heat to extreme cold. This is an essential test to ensure that satellites can survive the harsh conditions of space.
  2. A 20 kN Electrodynamic Shaker system, to perform vibration tests on CubeSats. This essentially mimics the violent vibrations that a satellite would experience during launch.

The CSF will primarily be used by teams participating in ESA Academy’s Fly Your Satellite! CubeSat Programme, but in the near future there will be additional innovative courses offered to help university students to learn about environmental testing with hands-on activities and lectures from experts.

Putting CubeSats to the test

The EIRSAT-1 team analyzes the results of the vibration tests carried out on the shaker
The EIRSAT-1 team analyzes the results of the vibration tests carried out on the shaker

During December, the CSF was put to good use with three full weeks of environmental test campaigns with student teams participating in the Fly Your Satellite! Programme.

The UoS3 team (University of Southampton, UK) and the EIRSAT-1 team (University College Dublin, Ireland) performed thermal vacuum tests on their in-house developed Antenna Deployment Mechanisms. Both teams successfully demonstrated the ability of their mechanisms to deploy the antennas after being exposed to thermal cycling and vacuum. The teams moreover obtained critical information about functionality in extreme cold, which will help them to make further improvements to their designs. Additionally, the EIRSAT-1 Antenna Deployment Mechanism underwent vibration testing, followed by a successful deployment test.

The last week before Christmas, the 3CAT-4 team from the Polytechnic University of Catalonia started the tests of their Nadir Antenna Deployment Mechanism in the thermal vacuum chamber.

Testing a piece of our flight hardware at the new thermal vacuum facilities at ESEC was a very valuable experience and there were many lessons to be learnt,” said Philip Hawkins, one of the participating students from the UoS3 team. “The opportunity was definitely a great contribution to the project as well as professional development of the team members involved.”

Deployment test of the 3CAT-4 L-band antenna inside the thermal vacuum chamber
Deployment test of the 3CAT-4 L-band antenna inside the thermal vacuum chamber

During the tests, the students could liaise directly with ESA experts from the ESTEC Test Centre and the Mechanical Systems Laboratory, who travelled to ESEC-Galaxia to help with the preparation and execution of these test campaigns. Students were able to learn first-hand what an environmental test campaign is like, and participated actively in every phase of the process, including: preparation of the test procedures, participation in the Test Readiness Review, preparation of the test-set up, and supporting the operation of the test equipment.

"We had a fantastic test campaign at ESEC. We spent three days using the thermal vacuum chamber, where we had several successful deployments of our antenna module”, said Jack Reilly, a student from the EIRSAT-1 team. “We uncovered some issues which may have been missed without the opportunity to test at extreme temperatures. Now that we've identified these issues we can work on improving our procedures for the future.” 

These campaigns are just the first of many that will be carried out in the CubeSat Support Facility with Fly Your Satellite! CubeSat teams, to help them prepare for the launch and mission operations.

You can read more about the current Fly Your Satellite! teams here.