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Study finds science class toy ‘Drinking Bird’ plays essential role in new clean energy ideas

Scientists in Hong Kong and China have proposed a creative way to generate renewable energy using a classic “drinking bird” figurine that may feel like a throwback to high school physics class.

They outline their approach as follows: new research It was published Thursday in the online journal Device. Scientists said they were able to harness the energy produced through the natural process of water evaporation and convert it into electricity by using a ‘watering bird’ as a generator. Research shows that this “watering bird” system could ultimately produce output voltages in excess of 100V, setting it apart from other studies seeking to explore the effectiveness of water evaporation as a source of clean energy. ing.

This means that a fairly basic energy conversion mechanism (in this case one that converts thermal energy into mechanical energy) uses the latent heat of the evaporation itself and something called the triboelectric effect to convert the energy released by the evaporation of water into This is an innovative idea that suggests that it is possible to recover This is the transfer of charge that occurs between two objects when they touch or slide against each other.

Drinking Bird-Clean Energy.png
Scientists are testing the effectiveness of “drinking bird” figurines as power generators.

device


The study authors said their work “provides a practical way to harness evaporative energy to power small electronic devices.”

“Waterbird’s triboelectric hydroelectric generator provides a unique means to utilize water as a readily available fuel source to power small electronic devices at ambient conditions,” said co-authors of the study. Professor Hao Wu of South China University of Science and Technology said in a paper. statement. “I still feel amazed and excited when I see the actual results.”

“Drinking Birds” was once a frequent teaching material in early physics classes, as it was used to explain the basics of thermodynamics, which focuses on the relationship between heat and other fundamental forms of energy. . When placed behind a cup of water, the bird initially dipped its head in the water, eventually leaning forward over the edge and appearing to “drink” from the cup, then righting itself again. Repeat the same pattern of movements.

Although it looked like a toy in some ways, the students learned that the “drinking bird” was actually a simplified heat engine. The device used changes in gravity and a series of thermodynamic processes, including evaporation, changes in temperature, and subsequent changes in pressure, to catalyze and sustain its movement. To do that, the “watering bird” was harnessing different types of energy from each of these processes and converting it into the mechanical energy needed to swing back and forth.

The “watering birds” in scientists’ renewable energy models function similarly, and the operation of the device itself has always reflected the organic behavior that occurs on Earth. If such an unusual model proves effective, the power generation opportunities could be enormous. Energy production from natural water evaporation accounts for about half of the energy absorbed globally through sunlight, and as the study points out, organic evaporation processes account for the planet’s “most significant amount of energy.” Contains part of “Energy Transfer”.

Others in the scientific community have been studying the potential value of harnessing the power of natural evaporation for years, and another report was published in the journal nature communications In 2017, we realized the enormity of the energy fluxes involved in evaporation processes around the world. Different research groups have proposed different ways to use evaporation as a clean energy source, and some have made creative proposals such as: transpiration of trees— Reduce costs and improve power generation while maintaining renewable energy.

In the next research phase, Wu and his colleagues said that instead of using commercially available figures, they will design specially tailored “drinking birds” for use in additional tests.

“Furthermore, we will explore various potential applications of this device,” Hong Kong Polytechnic University professor Zhuankai Wang, one of the study’s co-authors, said in a separate statement. He said their goal is to provide “practical products that can be used in everyday life.”

Summarize this content to 100 words Scientists in Hong Kong and China have proposed a creative way to generate renewable energy using a classic “drinking bird” figurine that may feel like a throwback to high school physics class. They outline their approach as follows: new research It was published Thursday in the online journal Device. Scientists said they were able to harness the energy produced through the natural process of water evaporation and convert it into electricity by using a ‘watering bird’ as a generator. Research shows that this “watering bird” system could ultimately produce output voltages in excess of 100V, setting it apart from other studies seeking to explore the effectiveness of water evaporation as a source of clean energy. ing.This means that a fairly basic energy conversion mechanism (in this case one that converts thermal energy into mechanical energy) uses the latent heat of the evaporation itself and something called the triboelectric effect to convert the energy released by the evaporation of water into This is an innovative idea that suggests that it is possible to recover This is the transfer of charge that occurs between two objects when they touch or slide against each other.

Scientists are testing the effectiveness of “drinking bird” figurines as power generators.

device

The study authors said their work “provides a practical way to harness evaporative energy to power small electronic devices.”

“Waterbird’s triboelectric hydroelectric generator provides a unique means to utilize water as a readily available fuel source to power small electronic devices at ambient conditions,” said co-authors of the study. Professor Hao Wu of South China University of Science and Technology said in a paper. statement. “I still feel amazed and excited when I see the actual results.””Drinking Birds” was once a frequent teaching material in early physics classes, as it was used to explain the basics of thermodynamics, which focuses on the relationship between heat and other fundamental forms of energy. . When placed behind a cup of water, the bird initially dipped its head in the water, eventually leaning forward over the edge and appearing to “drink” from the cup, then righting itself again. Repeat the same pattern of movements.

Although it looked like a toy in some ways, the students learned that the “drinking bird” was actually a simplified heat engine. The device used changes in gravity and a series of thermodynamic processes, including evaporation, changes in temperature, and subsequent changes in pressure, to catalyze and sustain its movement. To do that, the “watering bird” was harnessing different types of energy from each of these processes and converting it into the mechanical energy needed to swing back and forth.The “watering birds” in scientists’ renewable energy models function similarly, and the operation of the device itself has always reflected the organic behavior that occurs on Earth. If such an unusual model proves effective, the power generation opportunities could be enormous. Energy production from natural water evaporation accounts for about half of the energy absorbed globally through sunlight, and as the study points out, organic evaporation processes account for the planet’s “most significant amount of energy.” Contains part of “Energy Transfer”.Others in the scientific community have been studying the potential value of harnessing the power of natural evaporation for years, and another report was published in the journal nature communications In 2017, we realized the enormity of the energy fluxes involved in evaporation processes around the world. Different research groups have proposed different ways to use evaporation as a clean energy source, and some have made creative proposals such as: transpiration of trees— Reduce costs and improve power generation while maintaining renewable energy.In the next research phase, Wu and his colleagues said that instead of using commercially available figures, they will design specially tailored “drinking birds” for use in additional tests.

“Furthermore, we will explore various potential applications of this device,” Hong Kong Polytechnic University professor Zhuankai Wang, one of the study’s co-authors, said in a separate statement. He said their goal is to provide “practical products that can be used in everyday life.”

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Emily Mae Czachor is a reporter and news editor at CBSNews.com. She covers breaking news with a focus on crime and extreme weather. Emily May has written for outlets including the Los Angeles Times, Buzzfeed, and Newsweek.

https://www.cbsnews.com/news/drinking-bird-science-class-toy-renewable-clean-energy-idea-study/ Study finds science class toy ‘Drinking Bird’ plays essential role in new clean energy ideas

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