Find Research Outputs

Search concepts
Selected filters
2019

Aerosol gas exchange system (AGES) for nanoparticle sampling at elevated temperatures: Modeling and experimental characterization

Bainschab, M., Martikainen, S., Keskinen, J., Bergmann, A. & Karjalainen, P., 20 Nov 2019, In : Scientific reports. 17149 (2019).

Research output: Contribution to journalArticleResearchpeer-review

Open Access
gas exchange
aerosol
sampling
modeling
temperature

Charging-Based PN Sensing of Automotive Exhaust Particles

Schriefl, M. A., Longin, M. & Bergmann, A., 3 Jan 2019, Proceedings Eurosensors 2018: Volume 2. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Design Principles for Sensing Particle Number Concentration and Mean Particle Size with Unipolar Diffusion Charging

Schriefl, M. A., Bergmann, A. & Fierz, M., 2019, In : IEEE sensors journal. 19, 4, p. 1392-1399 8 p., 8529217.

Research output: Contribution to journalArticleResearchpeer-review

charging
Particle size
Aerosols
Electrostatics
configurations

Effect of Model Details on the predicted Saturation Profiles in condensation particle counters

Reinisch, T., Radl, S., Bergmann, A., Schriefl, M. & Kraft, M., 1 Aug 2019, In : Advanced powder technology. 30, 8, p. 1625-1633 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Radiation counters
radiation counters
Condensation
condensation
saturation

Fast Optical Humidity Sensor Based on Hydrogel Thin Film Expansion for Harsh Environment

Buchberger, A., Peterka, S., Coclite, A. M. & Bergmann, A., 26 Feb 2019, In : Sensors . 19, 5, 11 p., 999.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Humidity sensors
Hydrogel
Optical sensors
Humidity
Hydrogels
2018

Acoustic field characterisation of an ultrasonic phased array for a novel flow sensor using an optical microphone

Klambauer, R. & Bergmann, A., 20 Dec 2018, IEEE International Ultrasonics Symposium 2018 Conference Proceedings. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

A new Method to Determine the Resonance Frequency in QEPAS

Breitegger, P., Lang, B. & Bergmann, A., 2018, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Optical Society of America, p. ATh1O.5 8426294

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

photoacoustic spectroscopy
quartz
forks
Q factors
semiconductor lasers

A Precise Gas Dilutor Based on Binary Weighted Critical Flows to Create NO2 Concentrations

Breitegger, P. & Bergmann, A., 7 Dec 2018, A Precise Gas Dilutor Based on Binary Weighted Critical Flows to Create NO2 Concentrations. 13 ed. Vol. 2. p. 1-4 (Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

critical flow
dilution
gas
uncertainty analysis

Characterization of a Capacitive Sensor for Particulate Matter

Maierhofer, P., Carminati, M., Ferrari, G., Röhrer, G., Sampietro, M. & Bergmann, A., 11 Sep 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Deposition of micrometric particles on a capacitive sensing area

Maierhofer, P., Carminati, M., Ferrari, G., Röhrer, G., Sampietro, M. & Bergmann, A., 15 Jun 2018.

Research output: Contribution to conferencePosterResearchpeer-review

electrodes
sensors
latex
air
polystyrene

Deposition of micrometric particles on a capacitive sensing area

Maierhofer, P., Carminati, M., Ferrari, G., Röhrer, G., Sampietro, M. & Bergmann, A., 20 Jun 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Development and Testing of an Aerosol Sensor for direct Measurements in Engine Exhaust

Kupper, M., Kügler, M., Kraft, M. & Bergmann, A., 10 Sep 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Fast Humidity Sensors for Harsh Environment

Buchberger, A., Coclite, A. M. & Bergmann, A., 6 Dec 2018, Proceedings, Volume 2, Eurosensors 2018. MDPI AG

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access

First Results of Vehicle Technology Effects on Sub-23 nm Exhaust Particle Number Emissions Using the DownToTen Sampling and Measurement System

Bainschab, M., Bergmann, A., Andersson, J., Karjalainen, P., Keskinen, J., Mamakos, A., Giechaskiel, B., Lähde, T., Haisch, C., Thaler, K., Piacenza, O., Ntziachristos, L., Samaras, Z., Tomboulides, A. & Toumasatos, Z., 15 Jun 2018.

Research output: Contribution to conferencePosterResearch

File

First Steps towards a Super-Compact in-situ Laser-Induced-Incandescence Sensor System

Kupper, M., Pulko, J., Kraft, M. & Bergmann, A., 10 Sep 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Laser Driver and Analysis Circuitry Development for Quartz-Enhanced Photoacoustic Spectroscopy of NO2 for IoT Purpose

Kerschhofer, A., Breitegger, P. & Bergmann, A., 22 Nov 2018, Laser Driver and Analysis Circuitry Development for Quartz-Enhanced Photoacoustic Spectroscopy of NO2 for IoT Purpose. 13 ed. Vol. 2. p. 1-5 (Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

photoacoustic spectroscopy
quartz
lasers
air pollution
forks

Low-Power Wide-Area technologies as building block for smart sensors in air quality measurements

Knoll, M., Breitegger, P. & Bergmann, A., Oct 2018, In : e&i - Elektrotechnik und Informationstechnik. 135, 6, p. 416-422

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Smart sensors
Air pollution
Air quality
Wide area networks
Distance measurement

Mechanical Frequency Response Analysis of Lithium-Ion Batteries to Disclose Operational Parameters

Popp, H., Glanz, G., Alten, K., Gocheva, I., Berghold, W. & Bergmann, A., 1 Mar 2018, In : Energies. 11, 3, p. 541 1 p.

Research output: Contribution to journalArticleResearchpeer-review

PEM Fuel Cell Degradation Analysis Based on Joint Experimental and Simulation Techniques

Tatschl, R., Fink, C., Urthaler, P., Hacker, V., Bodner, M., Schenk, A., Karpenko-Jereb, L., Schatt, E-E., Verebes, P., Bergmann, A., Gößling, S. & Peinecke, V., 15 Apr 2018, Transport Research Arena 2018: 2. Vehicles & Vessels - Design, Development and Production. 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Fuel cells
Degradation
Catalysts
Physics
Reaction kinetics

Tracking Long-Term Drift in Wireless Sensor Networks Using Long-Term Memory and Data Fusion

Loss, T., Gerler, O. & Bergmann, A., 6 Nov 2018, 2018 International Conference on Diagnostics in Electrical Engineering, Diagnostika 2018. Institute of Electrical and Electronics Engineers, 8526133

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Data fusion
Wireless sensor networks
Data storage equipment
Sensors
Mountings

Using MEMS Acceleration Sensors for Monitoring Blade Tip Movement of Wind Turbines

Loss, T., Gerler, O. & Bergmann, A., 26 Dec 2018, 2018 IEEE SENSORS, SENSORS 2018 - Conference Proceedings. Institute of Electrical and Electronics Engineers, Vol. 2018-October. 8589944

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Wind turbines
Turbomachine blades
MEMS
Wind effects
Monitoring
2017

A new Principle for an Ultrasonic Flow Sensor for Harsh Environment

Klambauer, R. & Bergmann, A., 2017, IEEE Sensors 2017 Conference Proceedings. p. 1554-1556 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

ultrasonics
flowmeters
mass flow
sensors
transmitter receivers

A Study of Alternative Working Fluids and Corresponding Effects for Condensation Nuclei Counters Applied on Automotive Exhaust

Kupper, M., Kraft, M., Reinisch, T. & Bergmann, A., 17 Sep 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

Concept for a holographic particle counter

Brunnhofer, G., Bergmann, A. & Kraft, M., 20 Nov 2017, 2017 IEEE Photonics Conference (IPC). Institute of Electrical and Electronics Engineers, Vol. 2017-January. p. 581-582 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Radiation counters
radiation counters
Particles (particulate matter)
Aerosols
aerosols

Design framework for a gas sensor based on an open photoacoustic resonator

Lang, B. & Bergmann, A., 5 Jan 2017, IEEE Sensors, SENSORS 2016 - Proceedings. Institute of Electrical and Electronics Engineers, 7808433

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Photoacoustic effect
Chemical sensors
Photoacoustic spectroscopy
Resonators
Sensors

Design principles for diffusion chargers sensing particle number concentration

Schriefl, M. A. & Bergmann, A., 5 Jan 2017, IEEE Sensors, SENSORS 2016 - Proceedings. Institute of Electrical and Electronics Engineers, 7808578

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Particle size
Sensors

Determination of Nox and soot concentrations using a multi-wavelength opacimeter

Axmann, H., Bergmann, A. & Eichberger, B., 2017, Smart Sensors, Measurement and Instrumentation. Springer International Publishing AG , Vol. 23. p. 1-19 19 p. (Smart Sensors, Measurement and Instrumentation; vol. 23).

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

soot
Soot
extinction
diesel engines
Gas emissions

Experimental Evaluation Of Components For A Super Compact In-Situ LII Probe Applicable On Automotive Exhaust Pipes

Kupper, M., Pulko, J., Bergmann, A. & Kraft, M., 18 Sep 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

Extending Particle Number Limits to below 23 nm: First Results of the H2020 DownToTen Project

Bainschab, M., Bergmann, A., Karjalainen, P., Keskinen, J., Andersson, J., Mamakos, A., Giechaskiel, B., Haisch, C., Ntziachristos, L., Samaras, Z. & Gerini, A., 29 Aug 2017.

Research output: Contribution to conferencePosterResearch

Impact of the ionomer in the catalyst layer on performance of a polymer electrolyte fuel cell

Karpenko-Jereb, L., Schatt, E-E., Fink, C., Urthaler, P., Bergmann, A. & Tatschl, R., 23 May 2017, p. 168. 1 p.

Research output: Contribution to conferencePosterResearchpeer-review

Open Access
File

Modelling chemical degradation of ionomer in a polymer electrolyte fuel cell

Karpenko-Jereb, L., Verebes, P., Kovtunenko, V., Schatt, E-E. & Bergmann, A., 1 Aug 2017. 1 p.

Research output: Contribution to conferencePosterResearchpeer-review

Open Access
File
Ionomers
Electrolytes
Fuel cells
Polymers
Membranes

QUARTZ-ENHANCED PHOTOACOUSTIC SPECTROSCOPY FOR ENVIRONMENTAL TRACE GAS SENSING WITH WSNWS

Breitegger, P. & Bergmann, A., 17 Jul 2017.

Research output: Contribution to conferencePosterResearchpeer-review

photoacoustic spectroscopy
forks
quartz
sensors
gases
2016

Air quality and health effects — How can wireless sensor networks contribute? A critical review

Breitegger, P. & Bergmann, A., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

Air quality and health effects — How can wireless sensor networks contribute? A critical review

Breitegger, P. & Bergmann, A., 20 Oct 2016, Broadband Communications for Next Generation Networks and Multimedia Applications (CoBCom), International Conference on. Institute of Electrical and Electronics Engineers, p. 1-8 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Air quality
Wireless sensor networks
Air pollution
Health
Sensors

A multi-wavelength opacimeter for NOX and soot

Axmann, H., Bergmann, A. & Eichberger, B., 21 Mar 2016, 2015 9th International Conference on Sensing Technology, ICST 2015. IEEE Computer Society, Vol. 2016-March. p. 6-11 6 p. 7438355

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Soot
Wavelength
Diesel engines

A simulational and experimental attempt for a high temperature condensed nuclei magnifier based on long chained alkanes

Kupper, M., Kraft, M., Kaczynski, J. & Bergmann, A., 4 Sep 2016.

Research output: Contribution to conferencePosterResearchpeer-review

Characterization and Modelling of a Novel Particle Number Detector

Schriefl, M. A., Bergmann, A. & Fierz, M., 5 Sep 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

High-accuracy Nanoparticle Sensor for Combustion Engine Exhaust Gases

Kraft, M., Kaczynski, J., Reinisch, T., Unger, M. & Bergmann, A., 2016, In : Procedia Engineering. 168, p. 35-38 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Exhaust systems (engine)
Exhaust gases
Nanoparticles
Sensors
Radiation counters

Non-reactive Working Fluids for Reliably Sensing Nanoparticles in Automotive Exhaust Gases

Kraft, M., Reinisch, T. & Bergmann, A., 2016, In : Procedia Engineering. 168, p. 51-54 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Exhaust gases
Nanoparticles
Fluids
Paraffins
Aerosols
2015

Measurement of Ultrafine Particles in the Exhaust of Combustion Engines Using Light Scattering – Theory and Application

Eichberger, B., Axmann, H. & Bergmann, A., 2015, Sensing Technology: Current Status and Future Trends IV. 1 ed. Springer International Publishing AG , Vol. 12. p. 47-65 (Smart Sensors, Measurement and Instrumentation).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

2014

Electrocatalytic oxygen evolution on iridium oxide: Uncovering catalyst-substrate interactions and active iridium oxide species

Reier, T., Teschner, D., Lunkenbein, T., Bergmann, A., Selve, S., Kraehnert, R., Schlögl, R. & Strasser, P., 2014, In : Journal of the Electrochemical Society. 161, 9

Research output: Contribution to journalArticleResearchpeer-review

Iridium
Oxide films
Oxygen
Calcination
Catalysts

Evaluating Particulate Emissions from a Flexible Fuel Vehicle with Direct Injection when Operated on Ethanol and Iso-butanol Blends

Karavalakis, G., Short, D., Chen, V., Espinoza, C., Berte, T., Durbin, T., Asa-Awuku, A., Jung, H., Ntziachristos, L., Amanatidis, S. & Bergmann, A., 13 Oct 2014, SAE 2014 International Powertrains, Fuels and Lubricants Meeting, FFL 2014. SAE International, Vol. 2014-October.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Particulate emissions
Direct injection
Butenes
Ethanol
Gasoline

Impact of selective catalytic reduction on exhaust particle formation over excess ammonia events

Amanatidis, S., Ntziachristos, L., Giechaskiel, B., Bergmann, A. & Samaras, Z., 7 Oct 2014, In : Environmental Science and Technology. 48, 19, p. 11527-11534 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Selective catalytic reduction
Ammonia
ammonia
diesel
filter

Review of motor vehicle particulate emissions sampling and measurement: From smoke and filter mass to particle number

Giechaskiel, B., Maricq, M., Ntziachristos, L., Dardiotis, C., Wang, X., Axmann, H., Bergmann, A. & Schindler, W., Jan 2014, In : Journal of Aerosol Science. 67, p. 48-86 39 p.

Research output: Contribution to journalReview articleResearchpeer-review

Particulate emissions
Smoke
smoke
Sampling
filter
2013

A miniature catalytic stripper for particles less than 23nanometers

Swanson, J., Kittelson, D., Giechaskiel, B., Bergmann, A. & Twigg, M., 2013, In : SAE International Journal of Fuels and Lubricants. 6, 2, p. 542-551

Research output: Contribution to journalConference articleResearchpeer-review

Sulfuric acid
Nucleation
Evaporation
Passenger cars
Dilution

Development of in-situ, full stream, Laser induced incandescence technique for measurement of transient soot emissions

Viskup, R., Stanger, T., Del Re, L., Reinisch, T. & Bergmann, A., 19 Dec 2013.

Research output: Contribution to conferencePaperResearchpeer-review

Soot
Lasers
Dilution
Sampling
Engines

Dynamical nonlinear particulate matter estimation based on laser induced incandescence measurements

Stanger, T., Viskup, R., Del Re, L., Bergmann, A. & Reinisch, T., 19 Dec 2013, 11th International Conference on Engines & Vehicles . SAE International, (SAE Technical Papers; no. 2013-24-0180).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Lasers
Soot
Densitometers
Engines
Particulate emissions

Evaluation of an oxidation catalyst ("catalytic stripper") in eliminating volatile material from combustion aerosol

Amanatidis, S., Ntziachristos, L., Giechaskiel, B., Katsaounis, D., Samaras, Z. & Bergmann, A., 1 Mar 2013, In : Journal of Aerosol Science. 57, p. 144-155 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Catalytic oxidation
Aerosols
combustion
Sulfur
aerosol

Measurement of transient soot emissions by means of full stream, in-situ laser induced incandescence

Viskup, R., Reinisch, T. & Bergmann, A., 1 Jan 2013.

Research output: Contribution to conferencePaperResearchpeer-review

incandescence
soot
lasers
dilution
exhaust gases

Measurement of ultrafine exhaust particles using light scattering

Axmann, H., Bergmann, A. & Eichberger, B., 1 Dec 2013, 2013 7th International Conference on Sensing Technology, ICST 2013. p. 937-941 5 p. 6727787

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Light scattering
Diesel engines
Calibration
Scattering