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NanoMet3 First PEMS-‐PN Instrument Presented by Andreas Knecht
Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
1995 nothing than nano-particlesSince
Heavy duty Machinery.
Nano-partticle emission control for safety
Matter is a spin-off the ETH & Swiss government particle counting project
Tunnels in the Swiss alps alone1000
Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
Why are Nano Particle dangerous
Small & Insoluble = Health Hazard
F-Actin 1-!m particles
control + cyt. D0
20
40
60
80
100
120
1 20
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D1 µm
F-Actin 78-nm particles (neutral)
0
10
20
30
40
50
60
70
80
90
100
1 2control + cyt. D0
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D0.078 µm
F-Actin 78-nm particles (neutral)
0
10
20
30
40
50
60
70
80
90
100
1 2control + cyt. D0
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D0.078 µm
Human Cell Exposed Micro and Nano Particles
100nm 800nm
Par?cle mass
Particle Mass
100nm 800nm
Par?cle number
Particle Number
Particle MassParticle Number
Most Hazardous Polluant
2017 European Commission’s PEMS-‐PN approach
PMP Measurement
MaAer Aerosol NanoMet3
Real Driving Emissions
Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
NanoMet3 Technology
exhaust with nano-droplets
Dilution
droplets remain despite hot dilution
dilution air (pre-heated)
sample with nano-droplets
Par@cle Coun@ng: Diffusion Size Classifier
What do we measure?
1fA=0.000000000000001A
Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
NanoMet3
Ø Particle number concentration [#/cm3] or [#/s] with flow meter
Ø Average particle diameter [nm]
Ø Calculated particle mass [mg/m3]
Ø Lung deposition surface area [µm2/cm3]
Measuring Data
On Road Particle Counting
Cabine Counting
Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
NanoMet3 valida@on @ 60nm
NM3 (DF 10) vs PMP (DF 1000) NM3 (DF 100) vs PMP (DF 1000) NM3 (DF 300) vs PMP (DF 1000) Linear NM3 (DF 10) vs PMP (DF 1000)
NanoMet3 valida@on @ 85nm
NM3 (DF 10) vs PMP (DF 1000) NM3 (DF 100) vs PMP (DF 1000) NM3 (DF 300) vs PMP (DF 1000) Linear NM3 (DF 10) vs PMP (DF 1000)
Outlook -‐ Field Measurement
Outlook -‐ Field Measurement
Thanks very much