Concept

Pressurisation (aérospatial)

Publications associées (21)

Design for demise applied to spacecraft structural panels and experiments for ClearSpace One platform

With growing awareness of the vulnerability of the near-Earth space region and the anticipated surge in satellite objects, efforts are underway to assess and implement various mitigation strategies. These aim to minimize the impact of space activities and ...

EPFL2024

Probing the buckling of pressurized spherical shells

Pedro Miguel Nunes Pereira de Almeida Reis, Dong Yan, Arefeh Abbasi

The prediction of the critical buckling conditions of shell structures is plagued by imperfection sensitivity. Non-destructive testing through point-load probing has been recently proposed to map the stability landscape of cylindrical shells. However, the ...

2021

Assessment of ammonia as energy carrier in the use with reversible solid oxide cells

Jan Van Herle, Michele Zendrini

Ammonia represents one of the most promising potential solutions as energy vector and hydrogen carrier, having a higher potential to transport energy than hydrogen itself in a pressurized form. Furthermore, solid oxide fuel cells (SOFCs) can directly be fe ...

2021

Are Pre-ascent Low-Altitude Saliva Cortisol Levels Related to the Subsequent Acute Mountain Sickness Score? Observations from a Field Study

Johannes Burtscher

Background: The associations among cortisol levels, body water status, and acute mountain sickness (AMS) remain unclear. We investigated associations between AMS prevalence and severity with resting saliva cortisol levels at low altitude (LA) and high alti ...

MARY ANN LIEBERT, INC2019

Experimentation on hydraulic fracturing of Barre granite: from hydrofracturing to hydroshearing

Hydraulic fracturing is frequently used in the oil and gas industry to increase the permeability of rocks. Its application for Enhanced Geothermal Systems still faces many challenges such as the occurrence of induced seismicity and the difficulty to collec ...

2018

The safety challenge of river diversion during construction of dams

Anton Schleiss

The appropriate design of a river diversion system during construction of dam is an essential task since dramatic consequences in view of cost and time overrun may be involved. After a short outline of the different methods of river diversion and its main ...

2018

Modeling The Hyperloop With COMSOL Multiphysics® : On The Design Of The EPFLoop Pressurized Systems

Nicolo' Riva, Lorenzo Benedetti

The EPFLoop team from Ecole Polytechnique Fédérale de Lausanne has developed a capsule thanks to which it won the 3rd place in SpaceX's Hyperloop Pod Competition in 2018. COMSOL Multiphysics was used to analyze and study the pressurized systems of the pod. ...

2018

Experimental characterization of a five blade tubular propeller turbine for pipe inline installation

Anton Schleiss, Cécile Münch-Alligné, Mário Jorge Rodrigues Pereira Da Franca, Vlad Hasmatuchi, Irene Almeida Samora

The interest in micro-hydropower in existing infrastructure is increasing since this is a technology with low environmental impacts and potential for energy recovery in different types of installation. The technologies available for these schemes are still ...

Elsevier2016

Aircraft panel with sensorless active sound power reduction capabilities through virtual mechanical impedances

Romain Boulandet

This paper deals with an active structural acoustic control approach to reduce the transmission of tonal noise in aircraft cabins. The focus is on the practical implementation of the virtual mechanical impedances method by using sensoriactuators instead of ...

Elsevier2016

Altitude: architecture et environnement de haute montagne

Estelle Lépine

At the centre of the research is the preservation of the countryside which is highlighted and studied through an architectural approach which focuses on cabins in the high mountains. The projects must reflect upon territorial, global and sustainable aspect ...

EPFL2016

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