Research on nano H₂/O₂ bubble generating mechanism and characteristics

Area of Science:

• Materials Science
• Chemical Engineering
• Fluid Dynamics

Background:

• Electrolysis of water generates hydrogen and oxygen.
• Nanobubbles have potential applications in various industrial processes.
• High-speed water jets are used for cutting applications.

Purpose of the Study:

• To produce and characterize nano hydrogen/oxygen (H2/O2) bubble liquid using electrolysis.
• To develop a Nanobubble Generator for verifying bubble properties.
• To investigate the effect of nanobubbles on reducing pipe flow friction resistance.

Main Methods:

• Electrolysis of water to generate H2/O2 bubbles.
• Development of a Nanobubble Generator for characterization.
• Measurement of bubble concentration, production efficiency, and electrification.
• Evaluation of friction resistance reduction in pipes.

Main Results:

• Successful generation of nano H2/O2 bubble liquid.
• Verification of basic characteristics including concentration and efficiency.
• Demonstration of friction resistance reduction properties.
• Exploration of nanobubbles containing varied gases.

Conclusions:

• Nano H2/O2 bubbles show promise for enhancing vertical cutting processes.
• The developed Nanobubble Generator effectively characterizes bubble properties.
• Nanobubbles can reduce pipe flow friction, potentially increasing flow rates.