Experiment: CAPS_20200402_None_No Seed


Name: CAPS_20200402_None_No Seed
Date: 2020-04-02


Jen Lab Flow Tube - 6LPM configuration

Experiment Set
Nucleation Potential Model Validation Experiments

Determine Effective Base Concentration for various amines and mixtures.

Includes measurements from PCC and vwCPC instruments.

Experiment Details


  • Aerosol formation
Temperature: 20
Relative Humidity: 20
Seeded Experiment: No
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 20
Reaction type:
Oxidant Name: None
Initial Oxidant Concentration Value: 0 (parts_per_million)
RO2 Main Fate: N/a
RO2 Lifetime: (Seconds)
Pressure: 1 atm

Data Set plots
Choose a file: Choose the X-Axis:

Experiment Set Details

Name: Nucleation Potential Model Validation Experiments
Time format and units:
This data set describes the results from various experiments conducted to both develop and validate the nucleation potential model. This data set includes both single-component measurements as well as mixture experiments of various chemicals


  • Jack S Johnson Carnegie Mellon University
  • Coty N Jen Carnegie Mellon University


Principal investigators:

Neil M Donahue
Phone: 4124189026
E-mail: nmd@andrew.cmu.edu
OrcID: 0000-0003-3054-2364

Spyros N Pandis
E-mail: spyros@andrew.cmu.edu
OrcID: 0000-0001-8085-9795

Albert Presto
E-mail: apresto@andrew.cmu.edu
OrcID: 0000-0002-9156-1094

Ryan C Sullivan
E-mail: rsullivan@cmu.edu
OrcID: 0000-0003-0701-7158

Coty Jen
E-mail: cotyj@andrew.cmu.edu
OrcID: 0000-0002-3633-4614

Data Manager:

Luke Habib
E-mail: lhabib@andrew.cmu.edu

Experiment Timeline.csv Timeline

´╗┐Time (HH:MM) Action (This is just a general template for how the experiments were run.)
0:00 Mass Spec on
0:00 Flow tube high flow
0:00 CPC on
0:10 Inject and measure Amine Concentration
0:30 Inject amine/mixture
0:35 Change amine concentration
0:40 Inject amine/mixture

Light Flux Characterizations:
Particle Loss Characterizations:
Vapor Loss Characterizations:

Chamber Details

Name: Jen Lab Flow Tube - 6LPM configuration
Volume in cubic meters: 0.002
Shape: Cylindrical
Surface area in cubic meters: 0.314
Flow Mode: Flow-through
Flow through rate in liters per minute: 6
Body Material: Glass/Quartz
Body thickness:
Replacement date:
Replacement frequency:
Cleaning method: Flushing with N2
o3 background:
nox background:
Particle background in micrograms per cubic meter:
Air filtration method:
Mixing method: 0
Mixing method material:
Temparature Control: No
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 19
Temparature range (max degrees celcius): 21
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 10
Relative humidity range (max percent): 80
Particle experiment capability: 1
Lights: No
Light source type(s): n/a
Supplemental information:
Additional Notes: