Custom-designed wood could keep homes cool by reflecting sunlight
POSTED 10 Jun 2019 . BY Andrew Manns
The high-tech material has a natural cooling effect and is eight times stronger than natural wood Credit: University of Maryland
Credit: University of Maryland
It is a sustainable material to combat global warming – Tian Li
A team of researchers at the University of Maryland, College Park, have invented a special type of engineered wood that might be able to reduce carbon emissions and reduce cooling costs by 60 per cent.
In order to create the material, the scientists soaked basswood in a solution of hydrogen peroxide to strip away its lignin (glue-like polymers that absorb heat and harden plant cells).
The wood was then placed on a hot press to compress its remaining cellulose molecules, creating a product that’s eight times stronger than natural wood.
Since cellulose reflects almost all visible light and absorbs low levels of infrared light, the high-tech wood has a natural cooling effect, helping to dissipate heat all day and night.
In their study, which was published last May in Science, the scientists tested their hypothesis by modelling the “cooling savings of their wood for 16 different U.S. cities”.
Ultimately they found energy savings between 20 and 60 per cent.
According to Tian Li, one of the paper’s authors, the wood could also help to make buildings in dry climes less dependent on air conditioning, which is considered to be a major contributor to global warming.
Recently, The International Energy Agency (IEA) reported that cooling energy use had “doubled since 2000”.
The IEA also said it could “more than double between now and 2040 due to increased activity and use of air conditioning”.
Speaking on the study’s findings, Li explained: “The processed wood uses the cold universe as heat sink and releases thermal energy into it via an atmospheric transparency window.
“It is a sustainable material for sustainable energy to combat global warming.”
Shuaiming He, one of the paper's co-authors, called the invention "game-changing" Credit: University of Maryland
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Custom-designed wood could keep homes cool by reflecting sunlight
POSTED 10 Jun 2019 . BY Andrew Manns
The high-tech material has a natural cooling effect and is eight times stronger than natural wood Credit: University of Maryland
Credit: University of Maryland
It is a sustainable material to combat global warming – Tian Li
A team of researchers at the University of Maryland, College Park, have invented a special type of engineered wood that might be able to reduce carbon emissions and reduce cooling costs by 60 per cent.
In order to create the material, the scientists soaked basswood in a solution of hydrogen peroxide to strip away its lignin (glue-like polymers that absorb heat and harden plant cells).
The wood was then placed on a hot press to compress its remaining cellulose molecules, creating a product that’s eight times stronger than natural wood.
Since cellulose reflects almost all visible light and absorbs low levels of infrared light, the high-tech wood has a natural cooling effect, helping to dissipate heat all day and night.
In their study, which was published last May in Science, the scientists tested their hypothesis by modelling the “cooling savings of their wood for 16 different U.S. cities”.
Ultimately they found energy savings between 20 and 60 per cent.
According to Tian Li, one of the paper’s authors, the wood could also help to make buildings in dry climes less dependent on air conditioning, which is considered to be a major contributor to global warming.
Recently, The International Energy Agency (IEA) reported that cooling energy use had “doubled since 2000”.
The IEA also said it could “more than double between now and 2040 due to increased activity and use of air conditioning”.
Speaking on the study’s findings, Li explained: “The processed wood uses the cold universe as heat sink and releases thermal energy into it via an atmospheric transparency window.
“It is a sustainable material for sustainable energy to combat global warming.”
Shuaiming He, one of the paper's co-authors, called the invention "game-changing" Credit: University of Maryland
RELATED STORIES
IOC Initiative To Help National Committees Cut Carbon Emissions POSTED 04 Sep 2019. BY Sam Boggon The International Olympic Committee (IOC) has set out to help the world’s 206 National
Olympic Committees (NOC) – and International Sports Federations – reduce their carbon
emissions.
Global Wellness Day (GWD) will mark its 15th anniversary on Saturday 13 June 2026, with the
theme: #JoyMagenta – a celebration of the healing qualities of simple gestures and activities
that spark joy.
Global luxury hospitality brand, Six Senses, has partnered with longevity healthcare provider,
HUM2N, to launch a clinic at Six Senses London, at The Whiteley.
As part of its first hotel partnership, Mayrlife – the medical health resort company known for its
site in Altaussee, Austria – has launched a day clinic at the Rosewood Vienna.
Premium London health club, KX Chelsea, will imminently unveil its most significant
redevelopment since its launch in 2002 to create an integrated wellness model combining
training, recovery and relaxation.
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