Understanding the behavior of bubbles is extremely important for controlling the process! Measurement methods for grasping the characteristics of bubbles and the behavior of gas bubbles!
Speaker Professor Takao Tsukada, Department of Chemical Engineering, Graduate School of Engineering, Tohoku University Target Audience: Engineers, researchers, and beginners interested in the properties of bubbles Venue: Kawasaki City Industrial Promotion Hall, Conference Room 1 [Kanagawa, Kawasaki] 7-minute walk from JR or Keikyu Line Kawasaki Station Date and Time: October 27, 2011 (Thursday) 10:30 AM - 4:30 PM Capacity: 30 people *Registration will close once full. Please apply early. Participation Fee: [Early Bird Discount Price] 46,200 yen (including tax and text fee) for up to 2 people from one company *Limited to Tech-Zone members who apply by October 13. Membership registration is free. ◆ Lunch will be optional. A fee of 1,050 yen will be collected per person.
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**Lecture Summary** Phenomena related to "bubbles" can be observed in various forms across a wide range of industrial processes. Depending on the process, there are cases where bubbles are actively utilized and cases where their presence poses problems; however, understanding bubble behavior is extremely important for controlling these processes. This lecture will discuss fundamental topics such as the generation, growth, and collapse mechanisms of single bubbles and foams, as well as measurement methods to grasp bubble characteristics and the behavior of bubbles within representative devices. Additionally, it will introduce defoaming and degassing technologies, as well as numerical simulations related to bubble phenomena.
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P2
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Applications/Examples of results
1. Introduction 2. Generation and Movement of Bubbles 2.1 Surface Tension and Wetting 2.2 Mechanism of Bubble Formation 2.3 Movement and Deformation of Bubbles 3. Generation and Collapse of Foam 3.1 Generation of Foam and Its Stability 3.2 Mechanism of Foam Collapse 4. Measurement Methods for Bubbles 4.1 Measurement of Foaming Power and Stability 4.2 Characterization of Foam 5. Defoaming and Antifoaming Technologies 5.1 Physical Defoaming Techniques 5.2 Chemical Defoaming Techniques (Use of Antifoaming Agents) 5.3 Defoaming Techniques 6. Bubble Characteristics in Various Devices 6.1 Bubble Column 6.2 Aerated Stirring Tank 7. Numerical Simulation of Bubble Phenomena 7.1 Numerical Simulation of Single Bubble Movement 7.2 Numerical Simulation of Bubble Flow 8. Conclusion
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