Experiment: UCR-CECERT-APL-Cocker Group_20170115_None_Ammonium sulfate_EPA2295B - Weihan
Experiment
Name: UCR-CECERT-APL-Cocker Group_20170115_None_Ammonium sulfate_EPA2295B - Weihan
Date: 2017-01-15
Organization
UCR-CECERT-APL-Cocker Group
Chamber
EPA chamber
Experiment Set
Particle wall loss series experiments
Goals
PM Wall loss with blacklights on in the last hour
Summary
Atomizeing 0.04M Asmonia Sulfate INSTRUMENTS: Dual SMPSExperiment Details
Categories:
- Instrument/Chamber characterization
Relative Humidity: 0.01
Seeded Experiment: Yes
Type of Seed: Ammonium sulfate
Initial Seed Concentration Value:
Seed Concentration Units:
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 0.01
Reaction type:
Oxidant Name: None
Initial Oxidant Concentration Value: 0 (microgram_per_cubic_meter)
RO2 Main Fate: Not Sure
RO2 Lifetime: (Seconds)
Pressure: 0.015'' H2O
Data Sets
ID | Instrument | File | |
---|---|---|---|
2633 | SMPS |
EPA2295B_SMPS.csv
|
|
2634 | SMPS - SizeD |
EPA2295B_SizeD.csv
|
|
2635 | TC |
EPA2295B_Temperature.csv
|
|
2636 | Ozone Box |
EPA2295B_O3.csv
|
|
2637 | NOx Box |
EPA2295B_NOx.csv
|
Data Set plots
Experiment Set Details
Name: Particle wall loss series experiments
Time format and units: Time format in timeline is the absolute local time.
Description:
Historical experiments that study the particle wall loss. After EPA2418 there was a systematic study of it (Done by Chen Le).
Collaborators:
- Weihan Peng
- Chen Le
Contacts
Principal investigator:
David Cocker
E-mail: dcocker@engr.ucr.edu
Data Manager:
Chen Le
Phone: 9516603455
E-mail: cle030@ucr.edu
20170115_EPA2295_TimeLine.csv
Timeline
Time (America/Los_Angeles) | Action |
12:32 | Change chiller T -> 80 F |
12:33 | Heaters on; air handlers on |
13:06 | Change chiller T -> 57 F |
13:25 | Start atomizer @ 10 psi (4750) |
13:28 | Fill air off |
13:55 | Stop atomizer |
15:25 | Heaters off; lights on (part A3A4 EF werent on) |
17:03 | Lights off; heaters on |
17:31 | Heaters off; air handlers off |
Citations
Characterizations
(None)
Particle Loss Characterizations:
(None)
Vapor Loss Characterizations:
(None)
Chamber Details
Name: EPA chamber
Volume in cubic meters: 84.2
Shape: Rectangular Prism
Surface area in cubic meters: 126
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness: 2
Replacement date: 2017-11-07
Replacement frequency: As needed
Cleaning method:
Flushing with air
Flushing with air with UV lights on
Oxidation
Wipe with ultra-pure water if needed
o3 background: 10
nox background: 0
Particle background in micrograms per cubic meter: 0
Air filtration method: The chamber is using zero air from our air purification system
Mixing method: 0
Mixing method material:
Temparature Control: Yes
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 5
Temparature range (max degrees celcius): 45
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 0.01
Relative humidity range (max percent): 80
Particle experiment capability: 1
Lights: Yes
Light source type(s):
350nm UVA Black Lamps
Supplemental information:
Additional Notes: