Concept

Propulsion laser

Publications associées (40)

Environomic design of vehicle integrated energy systems

To meet the targets of sustainable development and greenhouse emission reduction of the future vehicles fleet, the automotive industry needs to deploy cost-competitive and efficient advanced energy conversion systems for the future commercial personal vehi ...

EPFL2015

Microfabricated electrospray emitter arrays with integrated extractor and accelerator electrodes for the propulsion of small spacecraft

Herbert Shea, Caglar Ataman, Simon Dandavino, Daniel George Courtney, Subha Chakraborty

Microfabricated electrospray thrusters could revolutionize the spacecraft industry by providing efficient propulsion capabilities to micro and nano satellites (1–100 kg). We present the modeling, design, fabrication and characterization of a new generation ...

Iop Publishing Ltd2014

Vertical take-off and landing aerial vehicle

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Adam Klaptocz, Przemyslaw Mariusz Kornatowski, Ludovic Daler, Arnaud Garnier

A VTOL (vertical take-off and landing) aerial flying vehicle comprising an inner frame, a gimbal system and an outer frame, the inner frame comprising a propulsion system and a control system, the propulsion system being able to generate a lift force. The ...

2014

Rotational propulsion enabled by inertia

Lailai Zhu

The fluid mechanics of small-scale locomotion has recently attracted considerable attention, due to its importance in cell motility and the design of artificial micro-swimmers for biomedical applications. Most studies on the topic consider the ideal limit ...

Springer Verlag2014

A Collision Resilient Flying Robot

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Przemyslaw Mariusz Kornatowski

Flying robots that can locomote efficiently in GPS-denied cluttered environments have many applications, such as in search and rescue scenarios. However, dealing with the high amount of obstacles inherent to such environments is a major challenge for flyin ...

John Wiley & Sons2014

Design and fabrication of the thruster heads for the MicroThrust MEMS electrospray propulsion system

Herbert Shea, Caglar Ataman, Simon Dandavino, Subha Chakraborty

Microfabricated electrospray thrusters are widely acknowledged as one of the most promising technologies for the propulsion of small spacecraft. Their relative simplicity, high efficiency (> 70%), low footprint (M < 500g, V < 10cm3) and large potential spe ...

2013

Computational analysis of the effects of a boundary layer ingesting propulsion system in transonic flow

Vladislav Mantic Lugo

Continuous requirements for more efficient aircrafts lead to the design and analysis of novel propulsion configurations, with an example being the boundary layer ingestion. The complexity and integration challenges in such aircraft synergistic propulsion s ...

Professional Engineering Publishing2013

Fluid-structure thermal coupling and ablation effects in atmospheric entry

Ojas Joshi

This thesis deals with the modelling of fundamental aspects of the mission engineering, the physics, and the constraints of atmospheric entry of space vehicles. The aim of this work is to formulate a coupled approach for the modelling and the simulation of ...

EPFL2013

Wafer-level integrated electrospray emitters for a pumpless microthruster system operating in high efficiency ion-mode

Herbert Shea, Caglar Ataman, Simon Dandavino

Microfabrication, wafer-level integration, and characterization of internally fed arrays of electrospray thrusters for spacecraft propulsion are discussed. 5 μm inner diameter, 100 μm long capillaries and 150-to-300 μm diameter annular extractor electrodes ...

Ieee2012

Development of the MicroThrust Breadboard: A Miniaturized Electric Propulsion System for Nanosatellites

Herbert Shea, Caglar Ataman, Muriel Richard

Since 2008, the MicroThrust (MT) consortium consisting of EPFL, Nanospace, QMUL, SystematIC, and TNO has been working on the development of a MEMS based electric propulsion system. Since 2010, the work has been performed as part of the European Union’s FP7 ...

2012

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