Today'

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Today.

• 5 Sessions
• Introductory (Drs. Stephan, Illias, Raymond,
  Biswas)
• Hands on Experience (Drs. Li, Ahmadi, Clegg,
  Okuyama)
• Assessment (Donnelly, Switt)
• Collaborative Development (Drs Wu All)
• Logistics

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The Wonder World of Aerosols From Astronomical
Stars and Planets to Nanoparticles
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Aerosols
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Definition
NOT ONLY THE PRODUCTS OF SPRAY CANS!

• aerosol (êr-sôl, -säl) n.
• A gaseous suspension of fine solid or liquid
  particles
• Word has a Greek origin

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Aerosol Mechanics at work
From naturally occurring aerosol processes . . .
Hydrologic Cycle Formation of Raindrops and Clouds
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Aerosol Mechanics at work
From naturally occurring aerosol processes . . .
Winnowing of Grain has been used since the
beginning of civilization
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Aerosol Mechanics at work
To the worlds largest aerosol generator . . .
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To the design of a variety of aerosol generators
. . .
For intake of Recreational Drugs
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Aerosol Mechanics at work
To the design of a variety of aerosol generators
. . .
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Aerosol Mechanics at work
Creation of Air Pollution Problems. The Bad
Aerosols
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Aerosol Mechanics at work
Aerosol processes used for manufacture of novel
materials . . . The Good Aerosols
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The birth of planets and stars are explained by
astronomical aerosol processes.
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Aerosol Processes

• Aerosol processes ubiquitous have been taking
  place for a long, long time..
• Study of this as a science only about 200 years
  old!
• Beginning of the 20th century, aerosol science
  was at the forefront because they represented the
  smallest observable division of matter!

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A brief recent history of aerosol science
Millikans Oil Drop Experiment Charge of an
electron
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A brief recent history of aerosol science

• After World War II - In 1970s and 1980s
• Increased Environmental Awareness Aerosol
  Technology developed further design of
  particulate control devices

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A brief recent history of aerosol science

• 1980s
• Aerosol technology used to produce high
  technology materials optical fibers, specialty
  ceramics, magnetic oxides

• Concern of micro-contamination issues in
  Semiconductor Industry design of clean rooms

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A brief recent history of aerosol science

• 1990s to current
• Era of Nanotechnology
• refocus on ultrafine particles

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Aerosol Science TechnologyAn Enabling
Discipline

• Finds applications in
• Atmospheric Sciences
• Air Quality Pollution Control
• Pharmaceuticals and Medicine
• Nanoparticle Synthesis Nanotechnology
• Energy Environmental Technologies
• Many others

Organized study of aerosol formation, dynamics,
fate and transport using this knowledge for
technological innovations in various fields
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Today.

• 5 Sessions
• Introductory (Drs. Stephan, Illias, Raymond,
  Biswas)
• Hands on Experience (Drs. Li, Ahmadi, Clegg,
  Okuyama)
• Assessment (Donnelly, Switt)
• Collaborative Development (Drs Wu All)
• Logistics