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Particle size measuring device in real time for dense particulate systems.
Applied Optics
|March 4, 2010
Summary
A new real-time particle size measuring device for dense systems was developed. It accurately determines particle size distributions even with multiple particles present, significantly increasing concentration limits.
Area of Science:
- Engineering
- Optical Physics
- Materials Science
Background:
- Accurate particle size measurement is crucial for dense particulate systems.
- Existing particle sizing instruments struggle with high particle concentrations.
- Limitations in current technology necessitate advanced measurement techniques.
Purpose of the Study:
- To design and evaluate a novel real-time particle size measuring device.
- To enable accurate particle sizing in dense particulate systems.
- To overcome the limitations of single-particle sizing methods.
Main Methods:
- The device measures the ratio of scattered light at two distinct angles.
- It processes scattered light pulses, allowing multiple particles in the focal volume.
- Real-time data acquisition and analysis are employed.
Main Results:
- The device successfully determined particle size distributions in dense systems.
- Accurate measurements were achieved with an average of up to 2.5 particles in the focal volume.
- This represents a significant increase in measurable particle concentration.
Conclusions:
- The developed device offers a breakthrough for real-time particle sizing in dense media.
- It overcomes the concentration limitations of traditional single-particle sizing instruments.
- This technology has broad applications in industries relying on particulate material characterization.
