Indian-origin researcher explains da Vinci’s ‘hydraulic jump’

By: PTI | London | Published: August 10, 2018 2:41:05 pm

By altering these attributes of the water he was able to accurately predict the size of the hydraulic jumps. This was regardless of which direction the water was moving – debunking the 200-year-old gravitational theory as the cause of a kitchen sink type hydraulic jump. This kind of hydraulic jump is known as a circular hydraulic jump. Paul Linden, a professor at the University of Cambridge described Bhagat’s findings as ‘groundbreaking’. “His experiments and theory show that the surface tension of the liquid is the key to the process and this has never before been recognised even though the problem was discussed by da Vinci and many others since.

“This work represents a remarkable achievement in our understanding of the dynamics of thin layers of fluid,” Linden said. Bhagat predicts that his findings could have wide-reaching consequences for industries that have high levels of water consumption. “Knowing how to manipulate the boundary of a hydraulic jump is very important and now with this theory we can easily extend or reduce the boundary,” he said. “Understanding this process has big implications and could reduce industrial water use dramatically.

People can use this theory to find new ways to clean everything from cars to factory equipment,” said Bhagat. He hopes that the research will also be used to find new ways to help us use less water in the average household.


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