Advance could reduce both annual energy consumption and cost.
While many advancements have been in improving its efficiency, the refrigerator still consumes considerable amounts of energy each year.
“Energy efficiency of a normal refrigerator is affected by the heat-insulating property of the thermal barriers of the freezer. This is due to its low inner temperature,” explained Jingyu Cao at the University of Science and Technology of China. “There is a significant difference in temperature between the freezer of a traditional refrigerator and ambient air temperature and the normal thermal barrier of the freezer causes considerable cold loss.”
Cao and his team hypothesized that using part of the cold loss to cool the fresh food compartment could be a promising solution in improving the efficiency of the refrigerator. They describe their findings in the Journal of Renewable and Sustainable Energy, from AIP Publishing.
“The evaporating temperature of the refrigeration cycle depends only on the freezer temperature and appropriate reduction of the evaporator area in the fresh food compartment will not decrease the overall efficiency,” explained Cao.
“Most families need one or two refrigerators and they are always on 24 hours a day, 365 days a year. That wastes a lot of energy. Even if we can save a little energy, that helps the human race be more energy-efficient,” said Cao.
Cao and his team are not the first scientists to attempt to improve the efficiency of household refrigeration. Extensive experiments by many different scientists have looked at various parts of the refrigerator to improve energy consumption, but a definitive solution has not yet been found. In Cao’s study, a novel refrigerator with a loop thermosyphon is put forward to decrease the heat transfer between the freezer and ambient air.
“One of the surprises was how much energy we saved. The energy-saving ratio of the improved walls got close to 30 percent — more than we had expected. This technology even works in hot climates like the desert.”
Although Cao’s study is currently based on theoretical calculation, the results are promising. “It has great potential to be popularized as a sustainable energy technology or applied in the renewable energy field, considering its significant energy-saving effect, simple structure and low cost,” said Cao.
The Latest on: Sustainable energy technology
via Google News
The Latest on: Sustainable energy technology
- Ofgem Awards New Renewable Energy Site Audit Programme to Black & Veatchon October 8, 2020 at 2:09 am
Black & Veatch has secured UK energy regulator Ofgem’s Renewable Obligation Statistical Audit Programme. The award follows a process of competitive tender.
- Scotland can be a global leader in era of sustainable energyon October 8, 2020 at 1:01 am
It was 50 years ago this month that BP discovered the giant Forties Field a pivotal moment in the development of the North Sea industry that secured Britain’s energy supply and heralded Aberdeen’s ...
- ALPS Clean Energy ETF (ACES) Hits a 52-Week Highon October 7, 2020 at 11:04 pm
For investors seeking momentum, ALPS Clean Energy ETF ACES is probably a suitable pick. The fund just hit a 52-week high and is up 158.9% from its 52-week low price of $23.15/share. Let’s take a look ...
- Once shut out, Maine cannabis industry now eligible for sustainable energy grantson October 7, 2020 at 3:10 pm
Efficiency Maine voted 5-2 Wednesday to allow state-legal marijuana businesses to apply for energy efficiency program grants.
- Renewable Energy Is Powering The Future Of The Automobile Industryon October 7, 2020 at 6:31 am
Consumer demand for higher environmental consciousness is leading to a rise in sustainable mobility. The VW Group wanted to deliver e-mobility for everyone while minimizing the eco-impact.
- Bespoken Spirits Launches Sustainable Maturation Process to Save Industry $20B+ Each Yearon October 7, 2020 at 6:15 am
Whiskey distilled from bourbon mash (90 proof), American light whiskey, Dark rum, Rye whiskey, Whiskey distilled from bourbon mash (100 proof), Bourbon whiskeyDerek Jeter, Miami Marlins CEO and former ...
- The New Space Race Is Fusion Energyon October 7, 2020 at 4:51 am
Space is exciting. Private companies like SpaceX alongside NASA capture the imagination and inspire us. But the grand challenge of our generation is not space. Our new space race is a planetary ...
- Generate Capital Provides Alturus With $600 Million for Energy-Efficiency Projectson October 6, 2020 at 9:00 am
Alturus finances, develops and runs sustainable corporate infrastructure projects such as energy-storage systems and power generators.
- Adaptive Surface Technologies Announces Corporate Partnership with SABIC for Sustainable Packaging Development and New Funding Roundon October 1, 2020 at 12:16 pm
Adaptive Surface Technologies, Inc. (AST), a Cambridge, MA-based industrial technology company that produces the SLIPS® line of materials and coatings used for a wide range of industrial, marine, and ...
- G20 Energy Ministers strive for sustainable development & market stabilityon September 30, 2020 at 5:00 pm
The Forum joins a growing international consensus that the clean methane sourced of hydrogen based on CCUS technologies will play a significant role in the World’s transition to a sustainable energy ...
via Bing News