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243 results found
Future Concepts for Galileo Search-and-Rescue Space and Ground Segment (Parallel a)

MEOSAR is a system designed to locate emergency beacons anywhere on the Earth in order to coordinate rescue efforts for people, vehicles and facilities in distress. It works by evaluating the time and the frequency of the beacon signal upon arrival at the receiver. From these the relative distance and velocity of the sender can be calculated if sufficient data points have been collected. It is beneficial to receive the beacon on several different spacecraft to optimise the accuracy of the trace.

Germany

15/708-a

OHB System AG
Application of the FAIR facility to space radiation research

The radiation environment in space has severely adverse effects on humans, electronics and materials. The most challenging part of the environment for our understanding of the effects are the highly charged highly energetic (HZE) particles. This study looks at the possibilities FAIR offers for space radiation research. There are two main parts: first the open issues and needed research in space radiation involving heavy ions of high energy and second the requirements a facility for this research should meet checked against the possibilities at FAIR.

Germany

13-S-02

Fraunhofer Gesellschaft
Coastal Ocean Process Caractherisation in Indonesia

This Pilot Study aimed at improving the information on the state of the Indonesian marine environment that is gained by combining satellite data, maps of particularly vulnerable coastal areas and model simulations.

Germany

14-A-2-b

University of Hamburg
GNSS-R – Assessment of Requirements and Consolidation of Retrieval Algorithms (GARCA)

The main goals of the GARCA project are:

(1) To develop a tool capable to simulate GNSS-R data products for various instrument implementations using state-of-the-art techniques, including GEROS phase-A candidates, up to Level-1 observables and Level-2 geophysical data products, which will be freely and easily accessible to the interdisciplinary scientific GEROS community.

(2) To study the compliance of different GEROS implementations with respect to the Mission Requirements, and study the optimization of its geophysical data products.

Germany

14-M-6-1

German Research Center...
Autonomous Medical Monitoring and Diagnostic

Global plans for exploratory missions aim at extending the distances travelled by humans well beyond low Earth orbit and establishing permanent bases on the surface of Moon and Mars [1]. This will inevitably lead to increasing mission duration, radiation intensity, gravity levels and degree of confinement and isolation to which the crews will be exposed. In this extended space mission context, the astronauts should have the means to collect medical/physiological data in order to understand if their physiological conditions are in nominal levels.

Germany

13-046-a

CSEM SA
System impacts of propulsion Passivation

Space debris mitigation requirements specific to propulsion systems are scrutinized and compliance of OHB reference propulsion architectures is assessed. The risk of generating debris due to a failure in a propulsion system is assessed with a focus on the specific risk of a hypervelocity impact on a propulsion tank containing residuals.

The engineering activities, delta-qualifications or hardware development which can support the recommended propulsion passivation strategies are presented and prioritized.

Germany

13-060-a

OHB System AG
AIM MASCOT-2 Asteroid Lander Concept Design

The MASCOT (Mobile Asteroid Surface Scout) lander onboard JAXA's Hayabusa 2 sample return mission to C-type Near Earth asteroid Ryugu is a lightweight (~ 10 kg) and compact (0.3 x 0.3 x 0.2 m3 ) landing platform with the capability to carry various in-situ experiments with a total mass of up to ~3 kg. Thus a system to payload mass ratio of 7:3 can be achieved.

Germany

14/M73

DLR
System impact of additive manufacturing technologies design features

Additive manufacturing (AM) is a manufacturing technology that allows significant flexibility in the
complexity of a design. The implementation of this technology has a large variety of capabilities for
components/ subsystems including

Germany

13-042-a

OHB System AG
Detection of microparticle impacts on spacecraft via their plasma effects

Microparticles are one of the most unknown components of the space environment. Their observation and investigation is complicated by their small size and their high velocity. When impacting on a spacecraft surface, a plasma cloud is generated by shock wave and surface ionization processes. This transient cloud of vaporized and ionized particle and surface material, referred to as impact plasma, rapidly expands to the meter scale within microseconds, thereby interacting with spacecraft surface components.

Germany

11-147

Fraunhofer Gesellschaft
Assessment of Satellite Constellations for Monitoring the Variations in Earth Gravity Field “SC4MGV”

The overall objective of this study is to assess constellations of two pairs of satellites for the retrieval of time-variable gravity field information for best quality scientific monitoring of mass distribution and transport in the Earth system. Before embarking on this study the geodetic community and space agencies have come to realize that weaknesses in current single-pair gravimetric satellite missions such as GRACE or GRACE-FO (to be launched in 2017) would significantly be alleviated by having a second GRACE-type pair in space simultaneously.

Germany

12.708

UNIV STUTTGART

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