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Plasma Jets Stabilize Water to Splash Less​


Professor Wonho Choe, KAIST
Gas jets can create dimple-like depressions in liquid surfaces, and this phenomenon is familiar to anyone who has seen the cavity produced by blowing air through a straw directly above a cup of juice. As the speed of the gas jet increases, the cavity becomes unstable and starts bubbling and splashing. 
“Understanding the physical properties of interactions between gases and liquids is crucial for many natural and industrial processes, such as the wind blowing over the surface of the ocean, or steelmaking methods that involve blowing oxygen over the top of molten iron,” explained Professor Wonho Choe, a physicist from KAIST and the corresponding author of the study. ....

South Korea , Cholla Bukto , Wonho Choe , National Research Foundation Of Korea , Slovenian Research Agency , Chonbuk National University In Korea , Stefan Institute , Professor Wonho Choe , Professor Choe , Chonbuk National University , High Return Project , National Research Foundation , தெற்கு கொரியா , தேசிய ஆராய்ச்சி அடித்தளம் ஆஃப் கொரியா , ஸ்டீபன் நிறுவனம் , ப்ரொஃபெஸர் சொல் , உயர் திரும்ப ப்ராஜெக்ட் , தேசிய ஆராய்ச்சி அடித்தளம் ,

Plasma jets stabilize water to splash less


Credit: Professor Wonho Choe, KAIST.
A study by KAIST researchers revealed that an ionized gas jet blowing onto water, also known as a plasma jet , produces a more stable interaction with the water s surface compared to a neutral gas jet. This finding reported in the April 1 issue of
Nature will help improve the scientific understanding of plasma-liquid interactions and their practical applications in a wide range of industrial fields in which fluid control technology is used, including biomedical engineering, chemical production, and agriculture and food engineering.
Gas jets can create dimple-like depressions in liquid surfaces, and this phenomenon is familiar to anyone who has seen the cavity produced by blowing air through a straw directly above a cup of juice. As the speed of the gas jet increases, the cavity becomes unstable and starts bubbling and splashing. ....

South Korea , Cholla Bukto , Wonho Choe , National Research Foundation Of Korea , Slovenian Research Agency , Chonbuk National University In Korea , Joef Stefan Institute , Professor Wonho Choe , Professor Choe , Chonbuk National University , High Return Project , National Research Foundation , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , Research Development , தெற்கு கொரியா , தேசிய ஆராய்ச்சி அடித்தளம் ஆஃப் கொரியா , ப்ரொஃபெஸர் சொல் , உயர் திரும்ப ப்ராஜெக்ட் , தேசிய ஆராய்ச்சி அடித்தளம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , ஆராய்ச்சி வளர்ச்சி ,