Construction of the new UNC dual Aerosol chamber Constructed in 2002 and took about 1 year to...
-
Upload
dulcie-reynolds -
Category
Documents
-
view
219 -
download
2
Transcript of Construction of the new UNC dual Aerosol chamber Constructed in 2002 and took about 1 year to...
Construction of the new UNC dual Aerosol chamber
• Constructed in 2002 and took about 1 year to complete
• The dual chamber is Quonset hut in design, width = 8.53 m
length = 9.75 m
height = 3.89 m
The total chamber volume is ~270m3
• The walls of the chamber are made of 5 mil FEP Teflon film and are attached on 1.22 m centers to 4.81 cm o.d. round tubular metal frames that form the superstructure of the chamber.
• A suspended 5 mil FEP Teflon film (type C) curtain, (Livingstone Plastics, Charlotte, NC) bisects the chamber to form two chamber halves.
Building a platform
Building the frame
• The small superstructure frame creates very little shadowing of the sunlight entering the chamber and also provides a very durable structure.
Orientation to the sun is very important
Frame attachment to platform
Sealing the joints
Bracing
Floor
Intake ducts
Mixing Fans
13
Entry door
Exhaust port
Attaching Film
Attaching Film
Finished
Three UNC chambers
Injection of liquids
Sampling directly under chamber
GAS phase NO-O3 titration
Auto sampling GCs for VOC analysis