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Understanding Bernoulli's Principle | Part 1 | English
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According to Bernoulli's Principle, flowing air creates a low-pressure zone which has very interesting outcomes and applications. In this two part video, we will learn more about this with a blower and balls!
In this demonstration, we see that the blower produces a stream of air which makes the ball float. This happens as the forces acting on the ball, namely gravity and upward lift due to air flow, gets balanced. If you keep two balls of different sizes, they will try to occupy same spot and float on top of each other. These balls do not move away from the central axis and appear to beheld in position by air.
This happens due to decrease in pressure on one side of the ball as the flow of air is higher on that side. This pushes the ball in the center position due to flow of air from high to low pressure.
Changing the angle of the pipe of the blower does not make the ball fall down as the flow of air captures the ball in one position due to low pressure created according to Bernoulli's Principle. But changing the angle beyond the critical angle will cause the ball to fall down whereas turning the blower off at an angle causes ball to follow a slanted path.
More interesting Bernoulli's Principle related experiments in the second part! For more exciting experiments about math’s and science subscribe to our YouTube channel.
Thank you!
Production team: Ashok Rupner, Chaitanya Mungi, Shraddha Bhurkunde, Neha Apte
Prof. B. D. Chakradeo, Mukund Mehendale, Yash Bharambe,
Camera: Vivek Kannadi, Parmeshwar Singh Yadav Music: Dr. Manasi Kulkarni
In this demonstration, we see that the blower produces a stream of air which makes the ball float. This happens as the forces acting on the ball, namely gravity and upward lift due to air flow, gets balanced. If you keep two balls of different sizes, they will try to occupy same spot and float on top of each other. These balls do not move away from the central axis and appear to beheld in position by air.
This happens due to decrease in pressure on one side of the ball as the flow of air is higher on that side. This pushes the ball in the center position due to flow of air from high to low pressure.
Changing the angle of the pipe of the blower does not make the ball fall down as the flow of air captures the ball in one position due to low pressure created according to Bernoulli's Principle. But changing the angle beyond the critical angle will cause the ball to fall down whereas turning the blower off at an angle causes ball to follow a slanted path.
More interesting Bernoulli's Principle related experiments in the second part! For more exciting experiments about math’s and science subscribe to our YouTube channel.
Thank you!
Production team: Ashok Rupner, Chaitanya Mungi, Shraddha Bhurkunde, Neha Apte
Prof. B. D. Chakradeo, Mukund Mehendale, Yash Bharambe,
Camera: Vivek Kannadi, Parmeshwar Singh Yadav Music: Dr. Manasi Kulkarni
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