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[innovation] Formulation de béton autocompactant avec de la biomasse d'olive

[innovation] Formulation de béton autocompactant avec de la biomasse d'olive | Digital Sustainability | Scoop.it

Un groupe de chercheurs du département Génie Civil de l'Université de Grenade vient de développer un béton autocompactant à partir de cendres provenant de la combustion de granulés fabriqués avec les restes d'élagages d'oliviers. Ce type de béton, autocompactant, tout comme ses équivalents autoplaçant, autonivelant, profite d'une plasticité remarquable et présente une cohésion qui ne nécessite pas de compactage pour une utilisation dans la construction notamment, ce qui lui confère de sérieux atouts par rapport au béton conventionnel de par une économie considérable et un gain de temps.

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Via Pascal Faucompré
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Smart Cities + Green Megaprojects of the Future

Smart Cities + Green Megaprojects of the Future | Digital Sustainability | Scoop.it

For many years, architects and city planners from around the world have been trying to create the green ideal: an entire city built to strict environmental standards- highly functional while still retaining aesthetic value.

 

Here’s a look at some green building and community design that caught our attention in recent months and may (or may not) become reality in the next several years. Their physical footprints may be large, but by using features such as wind power, solar, rainwater recycling and advanced air quality controls, their carbon footprints don't have to be...


Via Lauren Moss
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Mercor's curator insight, January 2, 2013 6:33 AM

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Norm Miller's curator insight, January 2, 2013 4:32 PM

This is going beyond Mazdar in Dubai.  The reality is that we need to transform existing cities since starting from scratch is rare.  We need to retrofit cities more than build new ones, but still it is interesting.

Alexandre Pépin's curator insight, March 4, 2013 6:31 AM

 

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[innovation] Un nouveau matériau thermoélectrique pour récupérer la chaleur perdue

[innovation] Un nouveau matériau thermoélectrique pour récupérer la chaleur perdue | Digital Sustainability | Scoop.it

En utilisant des éléments communs que l'on trouve à peu près partout là où il y a de la saleté, une équipe de chercheurs du Michigan State University (MSU) a développé un nouveau matériau thermoélectrique.

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Via Ellesse, Pascal Faucompré
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Will Smart Technologies Shape Future Highways?

Will Smart Technologies Shape Future Highways? | Digital Sustainability | Scoop.it

With the proliferation of mobile electronic technologies, interactive displays have begun to appear more frequently in fixed contexts such as smart rooms and media-driven building facades.


The latest focus of smart surface research is on the most connective element of the constructed environment: the road.

 

At the recent Dutch Design Week in Eindhoven, Studio Roosegaarde announced a joint effort with Heijmans Infrastructure to create the Smart Highway. This proposal for an electronically-enhanced road system fuses disparate elements of existing road infrastructure. Lighting, signage, and the roadbed are now a singular, integrated system.

The Digital Interactive Roadway designed by BIG for the Audi Urban Future exhibition in 2011 proposes a similar roadbed enhancement. The surface of the DIR incorporates strips of LED lights and a distributed network of sensors that respond directly to changing automotive and pedestrian traffic.

 

Visit the link to learn more about these forward-thinking projects and the potential for innovative digital technologies to shape roads and infrastructure...


Via Lauren Moss
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Chauffage et électricité : l’inauguration de la chaudière de cogénération

Chauffage et électricité : l’inauguration de la chaudière de cogénération | Digital Sustainability | Scoop.it

Les propriétaires français de maisons individuelles ont désormais à disposition un nouveau système de chauffage économique et efficace : la chaudière de cogénération. Elle se distingue des chaudières à gaz traditionnelles par sa capacité de produire simultanément de l’électricité et du chauffage. La chaudière de cogénération permet également de chauffer l’eau.
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Via Pascal Faucompré
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Display team creates texture-changing bubble screen (w/ Video)

Display team creates texture-changing bubble screen (w/ Video) | Digital Sustainability | Scoop.it
(Phys.org) -- A team from three universities developed what they claim is the world’s thinnest screen from a bubble.

Via Andrea Graziano, Sakis Koukouvis
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5 Ways Architecture Can Respond To Rising Sea Levels

5 Ways Architecture Can Respond To Rising Sea Levels | Digital Sustainability | Scoop.it
With water levels set to rise, how will buildings adapt to this changing environment? Here's a roundup of some innovative solutions.

 

One of the many problems that will accompany this catastrophe is a rise in sea levels due to the melting polar ice caps. Coastal cities and towns are obviously the ones under the greatest threat but so are low-lying lands. We could be saying goodbye to the Netherlands as we know it. So, unless our next evolutionary step is to grow gills then we’re going to have to face up to the facts and find new ways to live within our watery environment.

Before we all run for the hills there are ways that architecture can integrate the design of buildings into their aquatic surroundings, giving us the possibility of living with this new world. So, with that in mind, lets take a look at some potential architectural solutions...


Via Lauren Moss
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[Innovation] Un système d'échange thermique, le nouveau concept dans l'efficacité énergétique

[Innovation] Un système d'échange thermique, le nouveau concept dans l'efficacité énergétique | Digital Sustainability | Scoop.it

Un outil de simulation d'échange thermique est développé dans le but de créer un marché ouvert pour l'échange thermique, permettant aux consommateurs d'économiser de l'énergie et contribuer à l'amélioration de l'environnement.
 
Le projet IntUBE («Intelligent Use of Buildings' Energy Information») développe ce système dans le cadre d'un projet plus large qui a été soutenu à hauteur de 4 millions d'euros par l'Union européenne. Le projet est développé par CSTB, un spécialiste dans le secteur du bâtiment, dont le siège social se situe en France.
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Via Pascal Faucompré
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[innovation] Netatmo : une station personnelle pour mesurer la qualité de l’air

[innovation] Netatmo : une station personnelle pour mesurer la qualité de l’air | Digital Sustainability | Scoop.it

Netatmo est une station météo personnelle qui va également mesurer la qualité de l’air de votre environnement.

 

Plus concrètement, la station météo se présente sous la forme d’un cylindre rempli de capteurs qui va envoyer toutes les informations (que ce soit la température, l’humidité, etc.) directement sur votre iPhone, iPad ou votre Android pour vous les présenter de manière claire et agréable.

 

La station météo Netatmo contient un module intérieur et un module extérieur que vous pouvez consulter que vous soyez à la maison ou à des milliers de kilomètres des capteurs qui sont connectés en Wi-Fi.

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Via Pascal Faucompré
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High-Voltage DC Breakers Could Enable a Renewable Energy Supergrid

High-Voltage DC Breakers Could Enable a Renewable Energy Supergrid | Digital Sustainability | Scoop.it
A high-power circuit breaker makes it possible to create highly efficient DC power grids.

"ABB's circuit breaker changes that. Within five milliseconds it can stop the flow of a huge amount of power—equal to the entire output of a nuclear power plant, ABB says. The breakers could be used to nearly instantaneously reroute power in a DC grid around a problem, allowing the grid to keep functioning. “Ordinarily, if something goes wrong anywhere, all the power goes off,” says Claes Rytoft, ABB’s chief technology officer. “The breaker can cut out the faulty line and keep the rest healthy.”

 

Researchers have been trying to develop high-voltage DC circuit breakers for a century (see “Edison’s Revenge: The Rise of DC Power”). Mechanical switches alone didn't work—they shut off power too slowly. Power electronics made of transistors that can switch on and off large amounts of power offered a possible solution, but they proved far too inefficient. ABB's solution combines power electronics with a mechanical switch to create a hybrid system that's both fast and efficient. The new circuit breaker could also be far less expensive than systems that use only transistors.

 

“The cost of the power electronics breaker was humongous,” says Ram Adapa, a power delivery technical leader at the Electric Power Research Institute. “The hybrid breaker should be less costly.”

 

With the major hurdle to DC grids out of the way, ABB is now developing algorithms to control them. The system will still need to work in concert with AC lines for distributing the power in local communities, since there is no inexpensive DC equivalent of the transformers needed to step down power to the relatively low voltages used in homes and businesses. One of the first markets for the new technology could be Germany, which has decided to turn off its nuclear power plants and rely heavily on renewable energy (see “The Great German Energy Experiment”).

 

The degree to which high-voltage DC grids can help renewables may depend on the economics of installing underground cables versus overhead lines."

AN : ABB's innovation is a significant advancement for the grid.

http://goo.gl/koDHZ

 


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[innovation] Nouvelles avancées sur le marché du photovoltaïque

[innovation] Nouvelles avancées sur le marché du photovoltaïque | Digital Sustainability | Scoop.it

ET Solar passe avec succès les tests en laboratoires d'essais Certisolis pour ses modules sans cadre BPIV, tandis que DisaSolar obtient la certification « entreprise innovante » qui lui permettra de développer le photovoltaïque de troisième génération.

 

ET Solar Group Corp. (« ET Solar »), fournisseur majeur de solutions clés en main dans le domaine de l'énergie solaire, annonce que ses modules sans cadre BPIV ont obtenu les certifications de type NF-EN 61215 et NF-EN 61730 auprès du Laboratoire d’essais Certisolis (« Certisolis »).

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Four Environmental Innovations that have Revolutionized Architecture

Four Environmental Innovations that have Revolutionized Architecture | Digital Sustainability | Scoop.it

The green revolution has impacted almost every sector of the economy. Now, eco-friendly technology is revolutionizing the way we think about architecture. Every part of the architectural process is undergoing huge changes.
When people think of green architecture, they often picture simple modifications, such as the substitution of environmentally friendly materials for less sustainable ones. While this can certainly be a viable means of reducing a project’s carbon footprint, it is by no means the only way to make a positive impact. Often, the best green projects are the ones that go above and beyond, completely altering the way people think of architecture as a whole. The following are just a few of the spectacular developments taking place in architecture today.

 

∞ Vertical Gardens

∞ Disaster-Resistant Buildings

∞ Walkable Roofs

∞ Garden Skyscrapers


Via Lauren Moss, association concert urbain
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Kimberly Hordern's comment, April 28, 2013 8:49 PM
This idea is pretty cool. With all the pollution we have in the world today we need to start replanting the trees and plants we have tore down. Especially since more people are wanting to live in the big cities making the cities larger decreasing on our natural environment.
A. Perry Homes's curator insight, July 24, 2014 9:20 PM

These are beautiful ways to combine urban and natural environments. 

Zoya Ayaz's curator insight, September 9, 2014 8:24 AM

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Biomorphic House by Pavie Architects & Design

Biomorphic House by Pavie Architects & Design | Digital Sustainability | Scoop.it

Biomorphic House with organic skin designed by Pavie Architects & Design has aerodynamic shapes, and is situated 1000 meters over the Mediterranean Sea. It's formed to withstand winter storms perfectly and provides enough windows with transparent photovoltaic-cells to secure power sufficient for the heating, and electricity needs. The interior design is the natural extension of the inside of the skin. Free shaped floors, walls and ceilings give the feeling of a super luxurious space ship.

This pilot project, through a self-powered water electrolyze process, converts the obtained energy to hydrogen and saves it for a future use. Later, a hydrogen powered PEM-Fuel-Cell generator can supply electricity to the house, releasing pure water and reusable heat as side-products...


Via Lauren Moss
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