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Innovation In Reflection: Researchers From Hong Kong Present More Efficient And Sustainable Solution
As extreme temperatures become more frequent globally, the use of air conditioning grows, impacting both global warming and the energy bills of consumers.
However, a new solution developed by researchers at the University of Science and Technology of Hong Kong may change this scenario.
They have developed a cooling system that promises to be more sustainable and efficient, using innovative principles to cool spaces without increasing pollution.
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The Challenges Of Air Conditioning And Its Consequences
According to the International Energy Agency, the consumption of energy to cool buildings is expected to more than double by 2050, highlighting the need for greater electricity generation, not always from clean sources.
Furthermore, conventional air conditioning systems use refrigerants like HFCs, which are significantly more harmful to the environment than carbon dioxide, contributing to the greenhouse effect and the formation of urban heat islands.
The Innovation Of Elastocaloric Devices
Researchers in Hong Kong have developed an elastocaloric cooling system that stands out for being 48% more efficient than previously tested technologies.
This device operates by applying mechanical force to solid materials, such as nickel-titanium alloys, which change shape and temperature in response to that force.
This cooling method eliminates the need for toxic gases, making it a more environmentally friendly option while simultaneously reducing users’ energy bills.
Operation And Benefits Of The New System
The elastocaloric effect occurs when the shape of a solid material reversibly changes under mechanical pressure, resulting in heating or cooling.
This technique, discovered in the 1980s, has been successfully applied by the Chinese team in a device that uses three alloys with different phase transition temperatures.
These alloys operate at cold, intermediate, and hot extremes, providing an efficient and sustainable cooling system.
Promising Future For Cooling Technology
Although this innovation is not yet commercially available, research published in Nature Energy highlights its potential to replace traditional air conditioning in various applications, even optimizing the performance of electric vehicle batteries.
With various studies underway around the world, elastocaloric devices represent a significant step towards more sustainable and efficient cooling.
Researchers from Hong Kong are optimistic that in the future, this technology could establish itself as a viable and environmentally friendly solution in the cooling market, providing a promising alternative to traditional air conditioning and contributing to a greener planet.
Source: Olhar Digital
Já tentei bloquear está página C P G mas não consigo do nada apareceu alguma notícia a vai direto para a página a matéria desta página é péssima sem base e sem explicação
Apesar de oferecer um delta T alto (pode ser visto no gráfico acima) estes sistemas tem baixa capacidade de refrigeração para condições reais e alta complexidade de materiais. Refrigeração magnética , elastocalóricos e i- calóricos não irão entrar no mercado tão cedo e os sistemas de compressão mecânica ainda irão reinar por muitos anos … abs
Bom dia Rh.olgaGabrijola.cpf.003100928.09 magistério.pedagogia.curso de informática professora pré vendedora interna recepcionista auxiliar de escritórios de faturamento cobrança datilografa auxiliar de classe auxiliar de cozinha