Concept

Spacecraft propulsion

Related publications (81)

A UAV Motor Denoising Technique to Improve Localization of Surrounding Noisy Aircrafts: Proof of Concept for Anti-Collision Systems

Hervé Lissek, Xavier Falourd, Patrick Marmaroli

Unmanned Aerial Vehicles (UAVs) have become very affordable and small in recent years, and are increasingly used in a wide range of monitoring and surveillance applications. A major problem when operating with swarm of UAVs is the risk of mid-air collision ...

2012

Somatosensory control of balance during locomotion in decerebrated cat

Grégoire Courtine, Pavel Musienko

Postmammillary decerebrated cats can generate stepping on a moving treadmill belt when the brain stem or spinal cord is stimulated tonically and the hindquarters are supported both vertically and laterally. While adequate propulsion seems to be generated b ...

2012

Microfabrication of Capillary Electrospray Emitters and ToF Characterization of the Emitted Beam

Herbert Shea, Caglar Ataman, Simon Dandavino

Microfabrication, assembly, and characterization of internally fed arrays of electrospray emitters for spacecraft propulsion are discussed. Several different emitter geometries were fabricated, and the sprayed beams from these emitters are characterized fo ...

2011

Brain-Computer Interfaces for Space Applications

José del Rocio Millán Ruiz

Recent experiments have shown the possibility to use the brain electrical activity to directly control the movement of robots. Such a kind of brain–computer interface is a natural way to augment human capabilities by providing a new interaction link with t ...

Springer Verlag2011

Impulse waves at Kühtai reservoir generated by avalanches and lindslides

Michael Pfister

The Kühtai reservoir is planned as an addition to the existing Sellrain-Silz group of HPPs. Two natural hazards relevant in terms of potential impulse wave impact on the dam were identified: a snow avalanche near the dam axis and a possible landslide furth ...

CRC Press, Taylor & Francis Group2011

Development of MEMS based Electric Propulsion

Herbert Shea

In recent years, there has been a large increase in the number of small satellites being designed, built and launched. Due to resource constraints, these spacecraft have not generally included any propulsion capability, and this has severely limited missio ...

2010

Realization of a solid-propellant based microthruster using low temperature co-fired ceramics

Peter Ryser, Thomas Maeder, Yannick Sébastien Fournier, Jaya Thakur

The introduction of micro-spacecrafts in the space industry has led to the development of various micro-propulsion techniques. Microthrusters are micropropulsion devices used in a microspacecraft for precise station keeping, orbit adjustment, attitude cont ...

2010

Mass Flux Measurement of Two Phase Dense Spray Using a Coupled Impulse Probe and PDPA Technique

Farzad Vakili Farahani

Mass flux and void fraction measurement in a multiphase dense spray is a challenging task. The Phase Doppler Particle Anemometer (PDPA) cannot provide accurate mass flux measurements in a highly turbulent multiphase spray due to the presence of non-spheric ...

ILASS-Americas2010

Integrated out-of-plane nanoelectrospray thruster arrays for spacecraft propulsion

Herbert Shea, Renato Krpoun

Nanoelectrosprays, well known for their use in sample injection for the mass spectrometry of large biomolecules, can also be used in other applications such as spacecraft propulsion. The thrust generated by a single electrospray emitter is well below 1 μN, ...

Institute of Physics2009

Micromachined electrospray thrusters for spacecraft propulsion

Renato Krpoun

Micromachining has enabled the downscaling of large, massive and power hungry systems into small batch-produced integrated devices. Recent progress in electrospray thruster technology, in particular the discovery of an ionic emission mode using the ionic l ...

EPFL2009

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