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Newsletter Nagare

―  Theme : "The Conference of Fluid Engineering Division (April issue)"  ―

―  Theme : "The Conference of Fluid Engineering Division (March issue)"  ―

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Enjoy Fluid Experiments Lab.

Separation,
Flow visualization
Looking at flow with coffee and milk 1 (behind a card) Float the milk on the coffee and move the card
Separation,
Flow visualization
Looking at flow with coffee and milk 2 (behind a square rod) Float the milk on coffee and move the square rod
Separation,
Karman vortex street,
Flow visualization
Looking at flow with coffee and milk 3 (behind a straw) Float the milk on coffee and move the straw
Viscous friction
Tube friction loss
Spin around the thread ring Pass a thread through the side hole of the straw, tie a ring, blow the straw, and turn this ring.
Tube friction loss Is air sucked in or blown out? Let's see if air is sucked in and blown out from the side hole of the pipe.
Momentum theory
Coandă effect
Fountain with a dryer? Attach plastic strings to the dryer to make it look like a fountain.
Momentum theory
Coandă effect
Water hose Attach plastic strings to the blower to make it look like a water hose.
Depth and pressure,
Surface tension
Stick a round object in a plastic bottle Let's stick a round object in an upside-down plastic bottle.
Depth and pressure,
Surface tension
Remove a ping-pong ball from water Attach a ping-pong ball to a plastic bottle turned upside down in the water and pull it up.
Depth and pressure
Surface tension
Scoop the liquid with a straw Scoop the fluid by placing a straw in the fluid
Depth and pressure When the plastic bottle is upside down Try to stand a plastic bottle filled with water upside down from the water surface.
Depth and pressure Turn a plastic bottle with a hose upside down Connect the hose to a plastic bottle filled with water and put the other end on the water surface.
Depth and pressure
Surface tension
If you make a hole in the middle of a straw[Question][Answer] Put the liquid in the straw and cover the top with your finger. If you make a hole midway through...
Buoyancy When ice melts [Question][Answer] Will the water surface rise or fall when the ice floating on the water melts?
Buoyancy When ice on a floating island melts [Question][Answer] Will the water surface rise or fall when the ice on the floating island melts?
Volume When discarding water in a cup [Question][Answer] Will the water surface rise or fall when the ice on the island melts?
Buoyancy When discarding water in a cup [Question][Answer] Will the water surface rise or fall if you discard the water in the cup placed on the floating island?
Buoyancy When sinking a stone in water [Question][Answer] Will the surface of the water rise or fall if the stone in a cup floating on water is discarded?

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The hot topic on study, technological development and R&D in fluids engineering fields

A study of aerodynamic sound generated from an airfoil placed in a flow with turbulence (2nd Report: In the case of airfoil subjected to circular-cylinder wake)

Noriaki KOBAYASHI(Osaka University), Yasumasa SUZUKI(Nihon University),
Chisachi KATO(The University of Tokyo)

Sterilization in liquids by air plasma under intermittent discharge

Takehiko SATO (Tohoku University),
Kairi MURAMATSU (Tohoku University),
Tomoki NAKAJIMA (Tohoku University),
Toshikatsu NAGASAWA (Hirayama Manufacturing Corporation),
Tatsuyuki NAKATANI (Okayama University of Science),
Shigeru FUJIMURA (Tohoku Medical and Pharmaceutical University)

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Let's explore lab! (Introduction of laboratories)

Development of innovative battery technology by large scale quantum/molecular simulations

Takashi Tokumasu, professor,
Quantum nanoscale flow systems laboratory, Nanoscale flow division
Novel battery nanoscale flow laboratory, Innovative energy research center(concurrent)

Institute of Fluid Science, Tohoku University

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