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Lightweight Structures

HIGHLY STABLE ANTENNA TECHNOLOGIES

Customer: ESA/ESTEC (2009 – 2011)

STANT on shaker

The objective of this activity is to increase the TRL of several structures related technologies in parallel on antenna level. The fusion of different TRP and GSTP outcomes will lead to a novel reflector and antenna technology as well as to an advanced verification technology answering future market demands.
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NEW CONCEPTS FOR DUAL GRIDDED REFLECTORS

Customer: ESA/ESTEC (2006 – 2009)

The objective of this activity is the development of new DGR technologies in order to make available a combined Tx/Rx DGR ensuring successful future Ka-band missions.
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RANDOM VIBRATION ENVIRONMENT DERIVATION BY VIBRO-ACOUSTIC SIMULATION

Customer: ESA/ESTEC (2007 – 2008)
VASI
This study, contracted by ESTEC, addresses random vibration environment prediction methodologies with improved parametric capabilitis.
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SPACECRAFT EMI CONTROL IN THE PRESENCE OF COMPOSITE MATERIALS

Customer: ESA/ESTEC (2005 – 2007)
EMI-Intro Final aim of the study is to develop an "EMI-tight" electronic housing made from CFRP material, in order to provide specific space missions with high mass restrictions an ultra lightweight solution. For that, also a huge sample test program has been performed including carbon nanotube based composite materials.
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HIGHLY CONDUCTIVE CARBON FILMS FOR ELECTRONIC BOARDS FOR SPACE APPLICATIONS

customer: ESA/ESTEC (2008 - 2009)
CFILMWithin this ESA study, the possibility of using carbon fibres as a substitute for the metal foils in the laminate of printed circuit boards (PCBs) is investigated.
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ADVANCED GROUNDING CONCEPTS FOR SATELLITE APPLICATIONS

Customer: ESA/ESTEC (2008 - ongoing)

Within the scope of this ESA project new ways of grounding with use of CFRP will be studied as follow-on activity of the “EMI-study”.
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INVISIBLE STRUTS FOR ANTENNA SYSTEMS

Customer: ESA/ESTEC (2007 – ongoing)

ISAS - half cross sectional areaThis study addresses the development of a new type of RF invisible strut for dual gridded reflectors.
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NON CONVENTIONAL MATRIX CARBON NANOTUBES REINFORCED COMPOSITE FOR APPLICATIONS IN SPACE

Customer: ESA/ESTEC (2007 – 2009)
ImageIn this study the material of interest is a "skeleton" or also called "CNT Network" out of carbon nanotubes, infiltrated with a polymer matrix, a ceramic matrix or a metal matrix. The skeleton can be a kind of "bucky paper" up to a block with more than 10mm thickness.
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HIGHLY INNOVATIVE SATELLITE COMMUNICATION STRUCTURES WITH ENHANCED THERMAL AND ELECTROMAGNETIC PROPERTIES

Project duration: 2009-2011Highly innovative satellite communication structures with enhanced thermal and electromagnetic properties. German title: Höchst innovative Satkom Strukturen mit erhöhten thermischen und elektromagnetischen Eigenschaften.

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MODELLING OF POROUS SHELLS

Customer: ESA/ESTEC (2006 – 2008)
POSH_Intro

For large satellite structures, like reflectors or solar array substrates, the design driver is the acoustic load, whereas material with holes lead to significant load reductions. But having holes like in Triax-Material (see figure on the left), the thermo-elastic behaviour has to be known and modelled.

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HIGHLY STABLE ANTENNA STRUCTURES AND SURFACES

Customer: ESA/ESTEC (2003 – 2006)
STAN_introThe main objective of this activity was the development of antenna reflector technologies for the high accuracy and stability required by the operation in Q and V bands including a qualification model for thermal-vacuum tests, thermal distortion tests and RF tests in a Compact Range.
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