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Objectives
The recent market growth of small spacecraft constellations has created a challenge within the existing space propulsion supply chain for low-cost reliable components, which meet the rapid delivery schedule and support the on-going reduction of orbital debris. With the growth in the constellation and small satellite markets set to increase rapidly, the development of components that meet the challenging criteria is critical.
The objective is to supply space propulsion system integrators with non-metallic, demisable tanks at lower cost and shorter lead times that can be offered in a wider range of configurations to exactly suit the end user requirement.
Currently there are no providers available in Europe that can deliver these attributes. It is important that the products be non ITAR (US Export), to ensure widest applicability and to reduce both cost and time delays.
The first mover to deliver these products will completely disrupt the global commercial market. With a complete supply gap for which there is a definite requirement (the advent and growth of satellite constellations), this makes for a compelling opportunity, but as the technology is projected to be scaleable, the development will apply to a broad range of satellite tank sizes, and space applications
Challenges
The primary challenge of this project is to identify readily available composite materials that will support development of space propulsion tanks within a high reliability mission with ultra-low permeation of gas. Heritage suppliers of such materials will be used wherever possible along with standard proven processes.
Special focus will be given to mounting and fluid system interfaces to ensure space mission requirements are met in full, over all expected environments.
Finally, the application must meet the objectives of low-cost to Customer, and demiseability in line with ESA Clean Space.
System Architecture
By removing the dependency on metallic tank parts and traditional production methods, it may be possible to design tanks to make more efficient use of volumes within satellite envelopes, and maximising available volumes. Non-traditional tank designs may be introduced. In addition, it will be possible to incorporate electronic sensors into the composite shell, therefore allowing the provision of tanks with pressure, thermal and gauging equipment embedded at delivery, ready for integration
Plan
Kick off – May 2019, Requirements Review July 2019; Test Readiness Review (TRR) September 2019; Test Review Board (TRB) March 2020; Final Review Sept 2020
Current Status
Kick-Off – performed May 2019, successful
Requirement Specification and preliminary test plan produced: concluded successfully
Materials and Processes Definition and Down Selection is underway
Customers review of specification and test plan
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