|Access mode||Physical access|
|Infrastructure name and acronym||FORTH Atmospheric Simulation Chamber (FORTH-ASC)|
|Location||38.297504 N; 21.808678 E
|Legal name of organisation operating the infrastructure||Foundation for Research and Technology Hellas, Institute of Chemical Engineering Sciences (FORTH/ICEHT)|
|Description of the infrastructure|
|Brief general description of the infrastructure to which access is offered||
Indoor chamber: 103 Teflon reactor in 30m3 temperature controlled UV-equipped room. plus two 2m3 Teflon reactors inside UV-equipped enclosure.
|Services currently offered by the infrastructure and its research environment||
- Testing/intercomparisons of new instruments.
|Modalities of access and support offered under EUROCHAMP-2020|
|Typical duration of work||
Between 2 and 4 weeks. A typical campaign includes 2-3 days of preparing the chamber for the experiments (e.g. connection of external instruments, testing), then 10-15 days of experiments (one experiment per day) and finally 2-3 days of data sharing and preliminary analysis and planning of the rest of the analysis and synthesis.
|Community/user type served||
The FORTH chamber has been used until now mainly by the academic sector. However, it is available for both the private sector and government.
|Scientific and technical support offered||The FORTH team (depending on user needs) can either perform or train the user to perform all activities. In the one unit of access we include the:
- Preparation of chamber (cleaning, testing, characterization)
- Experiment (design is quite flexible, all instruments of LAQS are available)
- Correction of raw data [HR-AMS corrections for collection efficiency, wall loss corrections for particles, quality assurance/quality control of data]
|Logistic and administrative support offered||Assistance with transport and installation of additional instrumentation to the site is offered. Troubleshooting and repairs can be provided. The institute offers assistance by providing local accommodations.|
|Person in charge of access provision at the infrastructure||Dr. Spyros Pandis, spyros[at]chemeng.upatras.gr|
|Extended technical information|
The main FORTH-ASC chamber is a 10 m3 Teflon reactor inside a 30 m3 temperature-controlled UV-equipped room. The dimensions of the reactor are approximately 2.2 x 2.2 x 2 m. The reactor operates at a little above atmospheric pressure.
S/V ratio: 2.7 m-1
Irradiation JNO2: 0.59 hr-1 (all lights on) or 0.4 hr-1 (2/3 of the lights on) or 0.2 hr-1 (1/3 of the lights on)
Temperature range: 15-40° C
RH range: <5% - 90%
Projected surface area: 4-5 m2
|Mechanical description||Teflon reactor suspended inside a 30 m3 room with polished aluminum covered walls. The vertical walls are covered with black lights
|Size dependent aerosol loss/lifetime||
10-20 hr for 0.1-2 μm particles (defined as in 1/k, where k is the particle wall loss rate constant to the walls)
Information about the chamber can be found in the following publications:
- Kostenidou E., C. Kaltsonoudis, M. Tsiflikiotou, E. Louvaris, L. M. Russell, and S. N. Pandis (2013) Burning of olive trees : a major organic aerosol source in the Mediterranean, Atmos. Chem. Phys., 13, 8797-8811.
- Kaltsonoudis, C., E. Kostenidou, E. Louvaris, M. Psichoudaki, E. Tsiligiannis, K. Florou, A. Liangou, and S. N. Pandis (2017) Characterization of fresh and aged organic aerosol emissions from meat charbroiling, Atmos. Chem. Phys., 17, 7143-7155.
- Louvaris, E. E., E. Karnezi, E. Kostenidou, C. Kaltsonoudis, and S. N. Pandis (2017) Estimation of the volatility distribution of organic aerosol combining thermodenuder and isothermal dilution measurements, Atmos. Meas. Tech., 10, 3909-3918.
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