Sensor Development
A research focus of the Institute of Particle Process Engineering of the University of Kaiserslautern-Landau is the development of methods for particle concentration, size (mean- and distribution) and velocity measurement with DES- (Dynamic Extinction Spectroscopy). A extinction measurement setup which combines dynamic (statistical) and spectral evaluation methods. The 3D LSS (Light Scattering Sensor) developed at our institute represents another unique sensor setup to measure the sphericity of single particles by interpreting intensity profiles of defined scattering and azimuth angles. A main research aspect is the inline implementation of the measurement method in industrial relevant applications. To successfully accomplish new sensors for specific particle systems, the experimental and simulative experience of more than 10 years is gathered. It was conducted under the direction of Prof. Ripperger and will continue under his successor, Prof. Antonyuk.
Our research verified the SE-Method as suitable for particle system from 1 µm to about 3 mm and up to 30 vol% concentration to deliver reliable and reproduceable measurements in sprays, emulsions and suspensions.
The future research will be focused on the application of the DES setup for particle sizes starting at 1 nm.
| Sensort Type | particle Size | particle concentration | measurand | Application |
|---|---|---|---|---|
| 3D LSS (Light Scattering Sensor) | 0,1 µm - 5 µm | Up to 107 particles/cm3 | sphericity | Carbon black, PM2.5, various aerosols |
| Spectral Extincton | 30 nm - 1 µm | ppm up to 30 Vol% | mean particle diameter, concentration | precipitation reactions, colloidal dispersion measurement |
| Statistical Extinction | 1 µm - 1 mm | ppm up to 30 Vol% | Mean particle diameter, concentration, velocity | spray and emulsion characterization |
Contact: Dipl.-Ing. Marc Weirich
Research Areas
Research Projects
Hetero-Aggregation of fine particles in Supersonic flow for the tailor-made surface coating
Contact: Marc Weirich
Funding: DFG SPP 2289
Development of a dynamic extinction method for dispersity and kinetics analysis of precipitation and crystallization processes in P recovery
Contact: Jan Ludorf
Funding: DFG GRK 2908
Development of a low cost sensor for aerosol spread monitoring
December 10, 2020
Contact: Maximilian Kerner
Funding: Volkswagenstiftung
AiF-Project "sensoric process monitoring of reverse osmosis systems" (21335 N)
November 01, 2020
Contact: Marc Weirich
Funding: Aif
Completed Research Projects
Entwicklung und Erprobung eines Streulicht-Partikelsensors zum Online-Monitoring des Form- und Agglomeratzustandes disperser Systeme
March 1, 2016
Contact: Michael Pitz
Funding: DFG
Entwicklung und Erprobung eines Partikelsensors auf Basis der Statistischen Extinktionsmethode zum Inline-Monitoring von Dispergierprozessen
October 31, 2015
Contact: Nico Schwarz
Funding: AiF
Recent Publications
Weirich, M., Misiulia, D., Antonyuk, S.: Characterization of particle shape with an improved 3D Light Scattering Sensor (3D-LSS) for aerosols, Sensors 24 (2024) 955, doi.org/10.3390/s24030955
Stoll, D., Kerner, M., Paas, S., Antonyuk, S.: Suitability of Low-Cost Sensors for Submicron Aerosol Particle Measurement, Applied System Innovation 6 (2023) 69, doi.org/10.3390/asi6040069
Weirich, M., Antonyuk, S.: Monitoring of particulate fouling potential of feed water with spectroscopic measurements, Membranes (2023) 13(7) 664, doi.org/10.3390/membranes13070664
Schwarz, Nico: Messfähigkeit der Statistischen Extinktionsmethode zur Inline-Messung der Partikelgröße, der Partikelkonzentration und der Partikelgeschwindigkeit; Universität Kaiserslautern 2019; ISBN 978-3-95974-109-5
Schwarz, Nico; Ripperger, Siegfried; Antonyuk, Sergiy: Investigations on the Capability of the Statistical Extinction Method for the Determination of Mean Particle Sizes in Concentrated Particle Systems. Particle & Particle Systems Characterization 35 (2018) 9, 1800191
Frank Babick, Lars Hillemann, Michael Stintz, Tim Dillenburger, Michael Pitz, Albert Hellmann, Sergiy Antonyuk, Siegfried Ripperger, Franz J. T. Huber, Stefan Will, Ruth Wernet, Martin Seipenbusch, Manuel Gensch, Alfred Weber, Dennis Kiesler,Einar Kruis, Rainer Friehmelt, and Bernd Sachweh: Multiparameter Characterization of Aerosols. Chemie Ingenieur Technik 90 (2018) 7, 923-936, doi.org/10.1002/cite.201700094
Michael Pitz, Albert Hellmann, Siegfried Ripperger, Sergiy Antonyuk: Development of a 3D Light Scattering Sensor for Online Characterization of Aerosol Particles. Particle & Particle Systems Characterization 35 (2018) 1800045
Completed Dissertations
Schwarz, N.: Messfähigkeit der Statistischen Extinktionsmethode zur Inline-Messung der Partikelgröße, der Partikelkonzentration und der Partikelgeschwindigkeit, Dissertation, TU Kaiserslautern, 2019.
Dannigkeit, F.: Statistische Extinktionsmethoden zum Inline-Monitoring von Partikelprozessen, Dissertation, TU Kaiserslautern, 2015.
Steinke, L.: Messverfahren zum Monitoring von Fällungsprozessen sowie Untersuchung eines neuen Verfahrens zur CaCO3-Fällung, Dissertation, TU Kaiserslautern, 2013.
Laboratory Equipment (selected)
3D Light Scattering Sensor
Online Characterization of Aerosol Particles
Statistical Extinction Sensor
Measurement of Concentration, velocity and size of particles
High speed cameras
Measurement of particle / droplet trajectories
Particle size measurement from 1 nm to 3 mm
static light scattering (Horiba LA 950, Retsch)
dynamic light scattering (Zetasizer Nano ZS, Malvern)
particle counter (Abakus, Markus Klotz GmbH)
containment sensors (Hydac)
Particle property measurement
Measurement of bulk porosity (Ultra-Pycnometer Model 1000T, Quantachrome)
Measurement of the inner surface from porous media (BET-Analysis Model Nova 200e, Quantachrome))
Measurement of the zeta-potential (Zetasizer Nano ZS, Malvern & PCD-05, Mütek)
Simulation Tools
CFD Simulation
Matlab