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Laser Diffraction Particle Sizer

Laser Diffraction Particle Sizer. Bio Environment System Lab. Contents. Sprayer. Laser Diffraction Particle Sizer. Contents. MALVERN 2600. Experiment. Sprayers. Sprayer. Aerial Spray. Speed Sprayers. Wide Area Sprayer. Personal Sprayer. Laser Diffraction Particle Sizer.

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Laser Diffraction Particle Sizer

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  1. Laser Diffraction Particle Sizer Bio Environment System Lab.

  2. Contents Sprayer Laser Diffraction Particle Sizer Contents MALVERN2600 Experiment

  3. Sprayers

  4. Sprayer

  5. Aerial Spray

  6. Speed Sprayers

  7. Wide Area Sprayer

  8. Personal Sprayer

  9. Laser Diffraction Particle Sizer

  10. Laser Diffraction Particle Sizer • Laser diffraction is the most widely used technique for particle size analysis.

  11. Principles • 광의 진로에 입자가 존재하면 광산란이 발생 • 산란된 광의 스펙트럼을 분석하면 입자 크기의 분포를 알 수 있음

  12. Principles • 입자의 지름이 작으면 산란각과 동심원의 지름이 커짐 • 입자의 지름이 크면 산란각과 동심원의 지름이 작아짐

  13. Factors • Pressure • Nozzle • Distance that particles move • Distance between lens and particles • Device characteristics • Environment

  14. MALVERN 2600

  15. MALVERN 2600 • See handouts

  16. Experiments

  17. Objectives • 레이저 입도 분석기를 안다. • 입자측정에 영향을 줄 수 있는 요소를 확인한다. • 실험결과를 해석해본다.

  18. Experiments • 펌프와 노즐을 이용하여 물을 분사하고, 그 입도를 분석해 본다. • 흔히 볼 수 있는 스프레이를 이용하여, 스프레이를 뿌리고 그 입도를 분석해 본다.

  19. Report • 레이저 입도 분석기에 대한 기초자료 조사 • 각각의 실험결과에 대한 분석 • 두 가지 실험결과에 대한 비교 • 실험에 대한 제안이나 문제점 지적

  20. Evaluation Basis 1. Use your own words 2. Explain your result well 3. Follow a standard report form 4. Don’t forget references 5. Enough information is virtue

  21. Thank You!

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