Alfred Leipertz

Prof. Dr.-Ing. Dr. h.c. Alfred Leipertz, Senior Professor of Chemical Engineering und Pensionierter Ordinarius (Emeritus) für Technische Thermodynamik

Prof.

Department Chemie- und Bioingenieurwesen (CBI)
Lehrstuhl für Technische Thermodynamik (LTT)

Raum B.2.04
Am Weichselgarten 8
91058 Erlangen-Tennenlohe

Miller JD., Tröger JW., Engel S., Seeger T., Leipertz A., Meyer TR.:
CH and NO planar laser-induced fluorescence and rayleigh-scattering in turbulent flames using a multimode optical parametric oscillator
In: Applied Optics 60 (2021), S. 98-108
ISSN: 1559-128X
DOI: 10.1364/AO.406237

Kuhl J., Seeger T., Zigan L., Will S., Leipertz A.:
On the effect of ionic wind on structure and temperature of laminar premixed flames influenced by electric fields
In: Combustion and Flame 176 (2017), S. 391-399
ISSN: 1556-2921
DOI: 10.1016/j.combustflame.2016.10.026

Jovicic G., Zigan L., Will S., Leipertz A.:
Luminescence properties of the thermographic phosphors Dy3+:YAG and Tm3+:YAG for the application in high temperature systems
In: Zeitschrift für Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics 229 (2015), S. 977-997
ISSN: 0942-9352
DOI: 10.1515/zpch-2014-0603
Jovicic G., Zigan L., Will S., Leipertz A.:
Luminescence Properties of the Thermographic Phosphors Dy3+:YAG and Tm3+:YAG for the Application in High Temperature Systems
In: Zeitschrift für Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics 229 (2015), S. 977-997
ISSN: 0942-9352
DOI: 10.1515/zpch-2014-0603
Jovicic G., Zigan L., Will S., Leipertz A.:
Phosphor thermometry in turbulent hot gas flows applying Dy:YAG and Dy:Er:YAG particles
In: Measurement Science & Technology 26 (2015)
ISSN: 0957-0233
DOI: 10.1088/0957-0233/26/1/015204
Kuhl J., Jovicic G., Zigan L., Will S., Leipertz A.:
Influence of electric fields on premixed laminar flames: Visualization of perturbations and potential for suppression of thermoacoustic oscillations
In: Proceedings of the Combustion Institute 35 (2015), S. 3521-3528
ISSN: 1540-7489
DOI: 10.1016/j.proci.2014.08.026
Rausch MH., Kretschmer L., Will S., Leipertz A., Fröba AP.:
Density, Surface Tension, and Kinematic Viscosity of Hydrofluoroethers HFE-7000, HFE-7100, HFE-7200, HFE-7300, and HFE-7500
In: Journal of Chemical and Engineering Data 60 (2015), S. 3759-3765
ISSN: 0021-9568
DOI: 10.1021/acs.jced.5b00691
Will S., Leipertz A., Lind S., Trost J., Zigan L.:
Application of the tracer combination TEA/acetone for multi-parameter laser-induced fluorescence measurements in IC engines with exhaust gas recirculation
In: Proceedings of the Combustion Institute 35 (2015), S. 3783-3791
ISSN: 1540-7489
DOI: 10.1016/j.proci.2014.06.144

Hankel R., Günther A., Wirth KE., Leipertz A., Bräuer A.:
Liquid phase temperature determination in dense water sprays using linear Raman scattering
In: Optics Express 22 (2014), S. 7962-7971
ISSN: 1094-4087
DOI: 10.1364/OE.22.007962
URL: https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-7-7962
Kilian D., Engel S., Borsdorf B., Gao Y., Kögler A., Kobler S., Seeger T., Will S., Leipertz A., Peukert W.:
Spatially resolved flame zone classification of a flame spray nanoparticle synthesis process by combining different optical techniques
In: Journal of Aerosol Science 69 (2014), S. 82--97
ISSN: 0021-8502
DOI: 10.1016/j.jaerosci.2013.12.002
Kozlov D., Kiefer J., Seeger T., Fröba AP., Leipertz A.:
Simultaneous Measurement of Speed of Sound, Thermal Diffusivity, and Bulk Viscosity of 1-Ethyl-3-methylimidazolium-Based Ionic Liquids Using Laser-Induced Gratings
In: Journal of Physical Chemistry B 118 (2014), S. 14493-14501
ISSN: 1520-6106
DOI: 10.1021/jp510186x
Reinhold Lopez K., Bräuer A., Romann B., Popovska-Leipertz N., Leipertz A.:
Simultaneous in situ Raman monitoring of the solid and gas phases during the formation and growth of carbon nanotubes inside a cold wall CCVD reactor
In: Carbon 78 (2014), S. 164-180
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2014.06.064
URL: http://www.sciencedirect.com/science/article/pii/S0008622314006101
Will S., Schuster J., Leipertz A., Bräuer A.:
Deconvolution of Raman spectra for the quantification of ternary high-pressure phase equilibria composed of carbon dioxide, water and organic solvent
In: Journal of Raman Spectroscopy 45 (2014), S. 246-252
ISSN: 0377-0486
DOI: 10.1002/jrs.4451

Adami R., Schuster J., Liparoti S., Reverchon E., Leipertz A., Bräuer A.:
A Raman spectroscopic method for determining vapour liquid equilibria
In: Fluid Phase Equilibria 360 (2013), S. 265-273
ISSN: 0378-3812
DOI: 10.1016/j.fluid.2013.09.046
URL: http://www.sciencedirect.com/science/article/pii/S0378381213005530
Al-Badri A., Gebauer T., Leipertz A., Fröba AP.:
Element by element prediction model of condensation heat transfer on a horizontal integral finned tube
In: International Journal of Heat and Mass Transfer 62 (2013), S. 463-472
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2013.03.015
Bräuer A., Knauer O., Quiño J., Leipertz A.:
Quantification of the mass transport in a two phase binary system at elevated pressures applying Raman spectroscopy: pendant liquid solvent drop in a supercritical carbon dioxide environment
In: International Journal of Heat and Mass Transfer 62 (2013), S. 729-740
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2013.03.046
URL: http://www.sciencedirect.com/science/article/pii/S0017931013002536
Gebauer T., Al-Badri A., Gotterbarm A., El Hajal J., Leipertz A., Fröba AP.:
Condensation heat transfer on single horizontal smooth and finned tubes and tube bundles for R134a and propane
In: International Journal of Heat and Mass Transfer 56 (2013), S. 516-524
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2012.09.049
Knauer O., Maria Giovanna PC., Bräuer A., Di Maio E., Leipertz A.:
Investigation of CO2 sorption in molten polymers at high pressures using Raman line imaging
In: Polymer 54 (2013), S. 812-818
ISSN: 0032-3861
Knorsch T., Demmelmeyer M., Wensing M., Leipertz A.:
A novel heat flux burner system to determine the laminar flame velocity of liquid fuels
In: Fuel Processing Technology 107 (2013), S. 119-125
ISSN: 0378-3820
DOI: 10.1016/j.fuproc.2012.07.016
Knorsch T., Heldmann M., Zigan L., Wensing M., Leipertz A.:
On the role of physiochemical properties on evaporation behavior of DISI biofuel sprays
In: Experiments in Fluids 54 (2013), Art.Nr.: 1522
ISSN: 0723-4864
DOI: 10.1007/s00348-013-1522-6
Luther S., Schuster J., Leipertz A., Bräuer A.:
Microfluidic investigation into mass transfer in compressible multi-phase systems composed of oil, water and carbon dioxide at elevated pressure
In: Journal of Supercritical Fluids 84 (2013), S. 121-*131
ISSN: 0896-8446
DOI: 10.1016/j.supflu.2013.10.002
URL: http://www.sciencedirect.com/science/article/pii/S089684461300329X
Luther S., Schuster J., Leipertz A., Bräuer A.:
Non-invasive quantification of phase equilibria of ternary mixtures composed of carbon dioxide, organic solvent and water
In: Journal of Supercritical Fluids 84 (2013), S. 146-154
ISSN: 0896-8446
DOI: 10.1016/j.supflu.2013.09.012
URL: http://www.sciencedirect.com/science/article/pii/S0896844613003240
Mederer T., Wensing M., Leipertz A.:
Investigation of the interaction of charge motion and residual gas concentration in an optically accessible SI engine
In: SAE Technical Papers 2 (2013)
ISSN: 0148-7191
DOI: 10.4271/2013-01-0558
Rausch MH., Hopf L., Heller A., Leipertz A., Fröba AP.:
Binary Diffusion Coefficients for Mixtures of Ionic Liquids [EMIM][N(CN)(2)), [EMIM][NTf2], and [HMIM][NTf2] with Acetone and Ethanol by Dynamic Light Scattering (DLS)
In: Journal of Physical Chemistry B 117 (2013), S. 2429-2437
ISSN: 1520-6106
DOI: 10.1021/jp306116h
Rausch MH., Krzeminski K., Leipertz A., Fröba AP.:
A new guarded parallel-plate instrument for the measurement of the thermal conductivity of fluids and solids
In: International Journal of Heat and Mass Transfer 58 (2013), S. 610-618
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2012.11.069
Roßmann M., Bräuer A., Leipertz A., Schlücker E.:
Manipulating the Size, the Morphology and the Polymorphism of Acetaminophen using Supercritical Antisolvent (SAS) Precipitation
In: Journal of Supercritical Fluids 82 (2013), S. 230-237
ISSN: 0896-8446
DOI: 10.1016/j.supflu.2013.07.015
URL: http://www.sciencedirect.com/science/article/pii/S0896844613002660
Varona S., Bräuer A., Leipertz A., Martin A., Cocero MJ.:
Lycopene Solubility in Mixtures of Carbon Dioxide and Ethyl Acetate
In: Journal of Supercritical Fluids 75 (2013), S. 6-10
ISSN: 0896-8446
Will S., Flügel A., Leipertz A., Kiefer J.:
Broadband two-color laser-induced incandescence pyrometry approach for nanoparticle characterization with improved sensitivity.
In: Applied spectroscopy 67 (2013), S. 1098-100
ISSN: 1943-3530
DOI: 10.1366/13-06998

Hankel R., Bräuer A., Leipertz A.:
Increase of the stimulated Raman scattering threshold at droplets by spectral broadening of nanosecond laser pulses
In: Journal of Raman Spectroscopy 43 (2012), S. 1935-1940
ISSN: 0377-0486
Heller A., Rausch MH., Flohr F., Leipertz A., Fröba AP.:
Thermophysical Properties of the Refrigerant Mixtures R417A and R417B from Dynamic Light Scattering (DLS)
In: International Journal of Thermophysics 33 (2012), S. 396-411
ISSN: 0195-928X
DOI: 10.1007/s10765-012-1172-6
Kiefer J., Cöngevel MA., Roth D., Obert K., Wasserscheid P., Leipertz A.:
Attenuated Total Reflection Infrared Difference Spectroscopy (ATR-IRDS) for Quantitative Reaction Monitoring
In: Applied Spectroscopy 66 (2012), S. 685-688
ISSN: 0003-7028
DOI: 10.1366/11-06472
Knorsch T., Trost J., Zigan L., Wensing M., Leipertz A.:
Quantitative DISI spray vapor temperature study for different biofuels by two-line excitation laser-induced fluorescence
In: SAE Technical Papers 9 (2012)
ISSN: 0148-7191
DOI: 10.4271/2012-01-1658
Koller TM., Rausch MH., Schulz P., Berger M., Wasserscheid P., Economou IG., Leipertz A., Fröba AP.:
Viscosity, Interfacial Tension, Self-Diffusion Coefficient, Density, and Refractive Index of the Ionic Liquid 1-Ethyl-3-methylimidazolium Tetracyanoborate as a Function of Temperature at Atmospheric Pressure.
In: Journal of Chemical and Engineering Data 57 (2012), S. 828-835
ISSN: 0021-9568
Marcic M., Avsec J., Praunseis Z., Marcic S., Wensing M., Leipertz A.:
Self-ignition calculation of diesel spray
In: SAE Technical Papers (2012)
ISSN: 0148-7191
DOI: 10.4271/2012-01-1262
Peukert W., Engel S., Kögler A., Gao Y., Kilian D., Voigt M., Seeger T., Leipertz A.:
Gas phase temperature measurements in the liquid and particle regime of a flame spray pyrolysis process using O2-based pure rotational coherent anti-Stokes Raman scattering
In: Applied Optics 51 (2012), S. 6063
ISSN: 2155-3165
DOI: 10.1364/AO.51.006063
Reinhold Lopez K., Bräuer A., Schmitt A., Popovska N., Leipertz A.:
Flow field characterization in a vertically oriented cold wall CCVD reactor by particle image velocimetry
In: Chemical Engineering Journal 184 (2012), S. 315-325
ISSN: 1385-8947
Roßmann M., Bräuer A., Dowy S., Steigerwald T., Leipertz A., Schlücker E.:
Solute solubility as criterion for the appearance of amorphous particle precipitation or crystallization in the supercritical antisolvent (SAS) process
In: Journal of Supercritical Fluids 66 (2012), S. 350-358
ISSN: 0896-8446
Zigan L., Ammon M., Schmitz I., Wensing M., Leipertz A., Gupta V.:
Investigation of fuel effects on spray atomization and evaporation studied for a multi-hole DISI injector with a late injection timing
In: SAE International Journal of Fuels and Lubricants 5 (2012), S. 254-264
ISSN: 1946-3952
DOI: 10.4271/2011-01-1982
Zigan L., Schmitz I., Wensing M., Leipertz A.:
Reynolds number effects on atomization and cyclic spray fluctuations under gasoline direct injection conditions
In: Woodhead Publishing (Hrsg.): Fuel Systems for IC Engines, 2012
ISBN: 978-0-85709-210-6

Birkigt A., Michels K., Theobald J., Seeger T., Gao Y., Weikl MC., Wensing M., Leipertz A.:
Investigation of compression temperature in highly charged spark-ignition engines
In: International Journal of Engine Research 12 (2011), S. 282-292
ISSN: 1468-0874
DOI: 10.1177/1468087411399216
Bräuer A., Adami R., Dowy S., Roßmann M., Leipertz A.:
Observation of Liquid Solution Volume Expansion during Particle Precipitation in the Supercritical CO2 Antisolvent Process
In: Journal of Supercritical Fluids 56 (2011), S. 121-124
ISSN: 0896-8446
Bräuer A., Dowy S., Torino E., Roßmann M., Luther S., Schlücker E., Leipertz A., Reverchon E.:
Analysis of the supercritical antisolvent mechanisms governing particles precipitation and morphology by in situ laser scattering techniques
In: Chemical Engineering Journal 173 (2011), S. 258-266
ISSN: 1385-8947
Knauer O., Lang M., Bräuer A., Leipertz A.:
Simultaneous Determination of the Composition and Temperature Gradients in the Vicinity of Boiling Bubbles in Liquid Binary Mixtures using One-Dimensional Raman Measurements
In: Journal of Raman Spectroscopy 42 (2011), S. 195-200
ISSN: 0377-0486
Kozlov D., Kiefer J., Seeger T., Fröba AP., Leipertz A.:
Determination of Physicochemical Parameters of Ionic Liquids and Their Mixtures with Solvents Using Laser-Induced Gratings
In: Journal of Physical Chemistry B 115 (2011), S. 8528-8533
ISSN: 1520-6106
DOI: 10.1021/jp203656z
Lai MC., Zheng Y., Shost M., Xie X., Matsumoto A., Wang J., Zhang X., Moon S., Gao J., Fezzaa K., Zigan L., Schmitz I., Wensing M., Leipertz A.:
Characterization of internal flow and spray of multihole di gasoline spray using X-ray imaging and CFD
In: SAE Technical Papers (2011)
ISSN: 0148-7191
DOI: 10.4271/2011-01-1881
Rausch MH., Durst K., Göken M., Jakobs PJ., Leipertz A., Fröba AP.:
Studies on the origin of dropwise condensation of steam on ion implanted metallic surfaces [Untersuchungen zur Ursache der Tropfenkondensation von Wasserdampf an ionenimplantierten Metalloberflächen]
In: Chemie Ingenieur Technik 83 (2011), S. 545-551
ISSN: 0009-286X
DOI: 10.1002/cite.201000182
Rausch MH., Krzeminski K., Assenbaum D., Wasserscheid P., Leipertz A., Fröba AP.:
Measurement and Prediction of the Thermal Conductivity of Ionic Liquids
In: Chemie Ingenieur Technik 83 (2011), S. 1510-1514
ISSN: 0009-286X
DOI: 10.1002/cite.201100054
Rausch MH., Lehmann J., Leipertz A., Fröba AP.:
Mutual diffusion in binary mixtures of ionic liquids and molecular liquids by dynamic light scattering (DLS)
In: Physical Chemistry Chemical Physics 13 (2011), S. 9525-9533
ISSN: 1463-9076
DOI: 10.1039/c1cp20208a
Vogel T., Wensing M., Leipertz A., Iannuzzi S., Lutz M.:
Influence of the fuel quantity on the spray formation and ignition under current engine relevant conditions
In: SAE Technical Papers (2011)
ISSN: 0148-7191
DOI: 10.4271/2011-01-1928
Zigan L., Schmitz I., Flügel A., Wensing M., Leipertz A.:
Structure of evaporating single- and multicomponent fuel sprays for 2nd generation gasoline direct injection
In: Fuel 90 (2011), S. 348-363
ISSN: 0016-2361
DOI: 10.1016/j.fuel.2010.08.001

Bräuer A., Dowy S., Leipertz A.:
Simultaneous Raman and elastic light scattering imaging for particle formation investigations
In: Optics Letters 35 (2010), S. 2553-2555
ISSN: 0146-9592
Bräuer A., Dowy S., Leipertz A., Schatz R., Roßmann M., Schlücker E.:
Supercritical Antisolvent Particle Precipitation: In Situ Optical Investigations
In: Chemical Engineering & Technology 33 (2010), S. 35-38
ISSN: 0930-7516
Bräuer A., Engel S., Dowy S., Luther S., Goldlücke J., Leipertz A.:
Raman Mixture Composition and Flow Velocity Imaging with High Repetition Rates
In: Optics Express 18 (2010), S. 24579-24587
ISSN: 1094-4087
Dowy S., Reinhold Lopez K., Bräuer A., Leipertz A.:
In-situ Optical Monitoring of the effect of the solution concentration on Supercritical Particle Precipitation
In: Journal of Supercritical Fluids 55 (2010), S. 282-291
ISSN: 0896-8446
Eichmann S., Weschta M., Kiefer J., Seeger T., Leipertz A.:
Characterization of a fast gas analyzer based on Raman scattering for the analysis of synthesis gas
In: Review of Scientific Instruments 81 (2010), S. 125104
ISSN: 0034-6748
DOI: 10.1063/1.3521397
Fröba AP., Rausch MH., Krzeminski K., Assenbaum D., Wasserscheid P., Leipertz A.:
Thermal Conductivity of Ionic Liquids: Measurement and Prediction
In: International Journal of Thermophysics 31 (2010), S. 2059--2077
ISSN: 0195-928X
DOI: 10.1007/s10765-010-0889-3
Kananeh AB., Rausch MH., Leipertz A., Fröba AP.:
Dropwise Condensation Heat Transfer on Plasma-Ion-Implanted Small Horizontal Tube Bundles
In: Heat Transfer Engineering 31 (2010), S. 821-828
ISSN: 0145-7632
DOI: 10.1080/01457630903547545
Koch P., Löffler M., Wensing M., Leipertz A.:
Study of the mixture formation processes inside a modern direct-injection gasoline engine
In: International Journal of Engine Research 11 (2010), S. 455-471
ISSN: 1468-0874
DOI: 10.1243/14680874JER606
Lehmann J., Rausch MH., Leipertz A., Fröba AP.:
Densities and Excess Molar Volumes for Binary Mixtures of Ionic Liquid 1-Ethyl-3-methylimidazolium Ethylsulfate with Solvents
In: Journal of Chemical and Engineering Data 55 (2010), S. 4068-4074
ISSN: 0021-9568
DOI: 10.1021/je1002237
Lukic N., Diezel L., Fröba AP., Leipertz A.:
Economical aspects of the improvement of a mechanical vapour compression desalination plant by dropwise condensation
In: Desalination 264 (2010), S. 173-178
ISSN: 0011-9164
DOI: 10.1016/j.desal.2010.07.023
Marcic M., Avsec J., Wensing M., Schmid M., Leipertz A., Fettes C.:
Calculation and measurements of self-ignition nuclei in diesel combustion
In: Energy & Fuels 24 (2010), S. 811-820
ISSN: 0887-0624
DOI: 10.1021/ef900695w
Noack K., Schulz P., Paape N., Kiefer J., Wasserscheid P., Leipertz A.:
The role of the C2 position in interionic interactions of imidazolium based ionic liquids: a vibrational and NMR spectroscopic study
In: Physical Chemistry Chemical Physics 12 (2010), S. 14153
ISSN: 1463-9076
DOI: 10.1039/C0CP00486C
Popovska N., Alkhateeb E., Fröba AP., Leipertz A.:
Thermal conductivity of porous SiC composite ceramics derived from paper precursor
In: Ceramics International 36 (2010), S. 2203-2207
ISSN: 0272-8842
DOI: 10.1016/j.ceramint.2010.05.028
Rausch MH., Leipertz A., Fröba AP.:
Dropwise condensation of steam on ion implanted titanium surfaces
In: International Journal of Heat and Mass Transfer 53 (2010), S. 423-430
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2009.09.014
Rausch MH., Leipertz A., Fröba AP.:
On the Characteristics of Ion Implanted Metallic Surfaces Inducing Dropwise Condensation of Steam
In: Langmuir 26 (2010), S. 5971-5975
ISSN: 0743-7463
DOI: 10.1021/la904293f
Rausch MH., Leipertz A., Fröba AP.:
On the Mechanism of Dropwise Condensation of Steam on Ion Implanted Metallic Surfaces
In: Journal of Heat Transfer-Transactions of the Asme 132 (2010)
ISSN: 0022-1481
DOI: 10.1115/1.4001646
Reinhold Lopez K., Bräuer A., Popovska N., Leipertz A.:
In situ monitoring of the acetylene decomposition and gas temperature at reaction conditions for the deposition of carbon nanotubes using linear Raman scattering
In: Optics Express 18 (2010), S. 18223-18228
ISSN: 1094-4087
Reverchon E., Torino E., Dowy S., Bräuer A., Leipertz A.:
Interactions of jet fluid dynamics, phase equilibria and mass transfer during supercritical antisolvent micronization
In: Chemical Engineering Journal 156 (2010), S. 446-458
ISSN: 1385-8947
Zigan L., Schmitz I., Flügel A., Knorsch T., Wensing M., Leipertz A.:
Effect of fuel properties on spray breakup and evaporation studied for a multihole direct injection spark ignition injector
In: Energy & Fuels 24 (2010), S. 4341-4350
ISSN: 0887-0624
DOI: 10.1021/ef1003914

Bräuer A., Dowy S., Leipertz A., Schatz R., Roßmann M., Schlücker E.:
Optische in-situ-Untersuchungen der Partikelbildung im überkritischen Antisolvent-Prozess
In: Chemie Ingenieur Technik 81 (2009), S. 1453-1457
ISSN: 0009-286X
Bräuer A., Engel S., Hankel R., Leipertz A.:
Gas mixing analysis by the simultaneous application of two-dimensional Raman measurements and particle image velocimetry
In: Optics Letters 34 (2009), S. 3122-3124
ISSN: 0146-9592
Bräuer A., Leipertz A.:
Two-dimensional Raman mole-fraction and temperature measurements for hydrogen-nitrogen mixture analysis
In: Applied Optics 48 (2009), S. B57-B64
ISSN: 2155-3165
Dowy S., Bräuer A., Reinhold Lopez K., Leipertz A.:
Laser analyses of mixture formation and the influence of solute on particle precipitation in the SAS process
In: Journal of Supercritical Fluids 50 (2009), S. 265-275
ISSN: 0896-8446
Dowy S., Bräuer A., Schatz R., Schlücker E., Leipertz A.:
CO2 partial density distribution during high-pressure mixing with ethanol in the supercritical antisolvent process
In: Journal of Supercritical Fluids 48 (2009), S. 195-202
ISSN: 0896-8446
Engel S., Koch P., Bräuer A., Leipertz A.:
Simultaneous laser-induced fluorescence and Raman imaging inside a hydrogen engine
In: Applied Optics 48 (2009), S. 6643-6650
ISSN: 0003-6935
Hasse B., Lehmann J., Assenbaum D., Wasserscheid P., Leipertz A., Fröba AP.:
Viscosity, Interfacial Tension, Density, and Refractive Index of Ionic Liquids [EMIM][MeSO3], [EMIM][MeOHPO2], [EMIM][OcSO(4)], and [BBIM][NTf2] in Dependence on Temperature at Atmospheric Pressure
In: Journal of Chemical and Engineering Data 54 (2009), S. 2576-2583
ISSN: 0021-9568
DOI: 10.1021/je900134z
Kiefer J., Obert K., Fries J., Bösmann A., Wasserscheid P., Leipertz A.:
Determination of Glucose and Cellobiose Dissolved in the Ionic Liquid 1-Ethyl-3-Methylimidazolium Acetate Using Fourier Transform Infrared Spectroscopy
In: Applied Spectroscopy 63 (2009), S. 1041-1049
ISSN: 0003-7028

Caetano FJP., Fareleira JMNA., Fröba AP., Harris KR., Leipertz A., Oliveira CMBP., Trusler JPM., Wakeham WA.:
An industrial reference fluid for moderately high viscosity
In: Journal of Chemical and Engineering Data 53 (2008), S. 2003-2011
ISSN: 0021-9568
DOI: 10.1021/je800059n
Fröba AP., Kremer H., Leipertz A.:
Density, refractive index, interfacial tension, and viscosity of ionic liquids [EMIM][EtSO4], [EMIM][NTf2], [EMIM][N(CN)(2)], and [OMA][NTf2] in dependence on temperature at atmospheric pressure
In: Journal of Physical Chemistry B 112 (2008), S. 12420-12430
ISSN: 1520-6106
DOI: 10.1021/jp804319a
Kiefer J., Obert K., Bösmann A., Seeger T., Wasserscheid P., Leipertz A.:
Quantitative analysis of alpha-D-glucose in an ionic liquid by using infrared spectroscopy
In: ChemPhysChem 9 (2008), S. 1317-1322
ISSN: 1439-4235
DOI: 10.1002/cphc.200800170
Kiefer J., Obert K., Himmler S., Schulz P., Wasserscheid P., Leipertz A.:
Infrared Spectroscopy of a Wilkinson Catalyst in a Room-Temperature Ionic Liquid
In: ChemPhysChem 9 (2008), S. 2207--2213
ISSN: 1439-4235
DOI: 10.1002/cphc.200800450
Leipertz A., Fröba AP.:
Improvement of condensation heat transfer by surface modifications
In: Heat Transfer Engineering 29 (2008), S. 343-356
ISSN: 0145-7632
DOI: 10.1080/01457630701821563
Rausch MH., Fröba AP., Leipertz A.:
Dropwise condensation heat transfer on ion implanted aluminum surfaces
In: International Journal of Heat and Mass Transfer 51 (2008), S. 1061-1070
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2006.05.047
Schmid M., Kaiser M., Koch P., Wensing M., Leipertz A.:
Optical investigations on partially premixed diesel combustion for different operating parameters
In: SAE Technical Papers (2008)
ISSN: 0148-7191
DOI: 10.4271/2008-01-0041

Diezel L., Fröba AP., Lukic N., Leipertz A.:
Optimisation of one of the seawater desalination plants based on the procedure of mechanical exhaust vapour concentration
In: Chemie Ingenieur Technik 79 (2007), S. 459-467
ISSN: 0009-286X
Dowy S., Bräuer A., Leipertz A., Schatz R., Schlücker E.:
Injection of ethanol into supercritical CO2: Determination of mole fraction and phase state using linear Raman scattering
In: Optics Express 15 (2007), S. 8377-8382
ISSN: 1094-4087
DOI: 10.1364/OE.15.008377
Fröba AP., Botero C., Kremer H., Leipertz A.:
Thermophysical properties of a quaternary refrigerant mixture: Comparison of dynamic light scattering measurements with a simple prediction method
In: International Journal of Thermophysics 28 (2007), S. 743-757
ISSN: 0195-928X
DOI: 10.1007/s10765-007-0222-y
Fröba AP., Kremer H., Leipertz A., Flohr F., Meurer C.:
Thermophysical properties of a refrigerant mixture of r365mfc (1,1,1,3,3-pentafluorobutane) and Galden (R) HT 55 (Perfluoropolyether)
In: International Journal of Thermophysics 28 (2007), S. 449-480
ISSN: 0195-928X
DOI: 10.1007/s10765-007-0178-y
Fröba AP., Leipertz A.:
Viscosity of diisodecyl phthalate by surface light scattering (SLS)
In: Journal of Chemical and Engineering Data 52 (2007), S. 1803-1810
ISSN: 0021-9568
DOI: 10.1021/je7001623
Fröba AP., Wasserscheid P., Gerhard D., Kremer H., Leipertz A.:
Revealing the influence of the strength of coulomb interactions on the viscosity and interfacial tension of ionic liquid cosolvent mixtures
In: Journal of Physical Chemistry B 111 (2007), S. 12817-12822
ISSN: 1520-6106
DOI: 10.1021/jp074799d
Rausch MH., Krzeminski K., Fröba AP., Leipertz A.:
Improvement of water separation effective level in the condensator for liquid climate control unit by use of ions implanted condensator surfaces
In: Chemie Ingenieur Technik 79 (2007), S. 1705-1710
ISSN: 0009-286X
DOI: 10.1002/cite.200700085
Seeger T., Kiefer J., Weikl M., Beyrau F., Leipertz A., Steven M., Issendorff F., Delgado A., Hierold R.:
Comparison of temperature measurements through coherent anti-Stokes Raman scattering and numerical simulations of incineration in porous media
Düsseldorf: VDI-Verlag, 2007
ISBN: 3180919884
URL: http://www.scopus.com/record/display.url?eid=2-s2.0-35148876522∨igin=resultslist&sort=plf-f&src=s&nlo=&nlr=&nls=&sid=FE31B92FA70A9625D522B61EE44DB36C.ZmAySxCHIBxxTXbnsoe5w:90&sot=aut&sdt=a&sl=39&s=AU-ID("Delgado,+Antonio+R."+7201675989)&relpos=87&relpos=7&searchTerm=AU-ID(\"Delgado,+Antonio+R.\"+7201675989)
Wensing M., Koch P., Schmid M., Bräuer A., Lutz M., Leipertz A.:
Laserdiagnostik zur Untersuchung direkteinspritzenden Brennverfahren
In: Prof. Dr. Ing. Ulrich Brill (Hrsg.): Direkteinspritzung im Ottomotor VI, 2007, S. S. 1 – 13
ISBN: 978-3-8169-2716-7

Bräuer A., Beyrau F., Leipertz A.:
Laser-induced fluorescence of ketones at elevated temperatures for pressures up to 20 bars by using a 248 nm excitation laser wavelength: experiments and model improvements
In: Applied Optics 45 (2006), S. 4982-4989
ISSN: 0003-6935
Bräuer A., Beyrau F., Weikl M., Seeger T., Kiefer J., Leipertz A., Holzwarth A., Soika A.:
Investigation of the combustion process in an auxiliary heating system using dualpump CARS
In: Journal of Raman Spectroscopy 45 (2006), S. 633-640
ISSN: 0377-0486
Fröba AP., Botero C., Leipertz A.:
Thermal diffusivity, sound speed, viscosity, and surface tension of R227ea (1,1,1,2,3,3,3-heptafluoropropane)
In: International Journal of Thermophysics 27 (2006), S. 1609-1625
ISSN: 0195-928X
DOI: 10.1007/s10765-006-0122-6
Kananeh AB., Rausch MH., Fröba AP., Leipertz A.:
Experimental study of dropwise condensation on plasma-ion implanted stainless steel tubes
In: International Journal of Heat and Mass Transfer 49 (2006), S. 5018-5026
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2006.04.039

Leipertz A., Fröba AP.:
Diffusion measurements in fluids by dynamic light scattering
Springer Berlin Heidelberg, 2005
ISBN: 3540200436
DOI: 10.1007/3-540-30970-5_15
Peukert W., Leipertz A., Sommer R., Artelt C.:
Study of particle synthesis in a low pressure plasma reactor using time resolved laser induced annealing technique (TIRE-LII)
In: Chemie Ingenieur Technik 77 (2005), S. 1231
ISSN: 0009-286X
DOI: 10.1002/cite.200590176

Bräuer A., Beyrau F., Seeger T., Leipertz A.:
Gas-phase temperature measurement in the vaporizing spray of a gasoline direct injection injector by use of pure rotational coherent anti-Stokes Raman scattering
In: Optics Letters 29 (2004), S. 247-249
ISSN: 0146-9592
Fröba AP., Kremer H., Leipertz A.:
Straightforward prediction method for determination of the thermophysical properties of binary refrigerant mixtures of R125+R143a
In: Chemie Ingenieur Technik 76 (2004), S. 1548-1554
ISSN: 0009-286X
Fröba AP., Kremer H., Leipertz A.:
Thermophysical properties of binary mixtures of R125+R143a in comparison with a simple prediction method
In: International Journal of Thermophysics 25 (2004), S. 1115-1133
ISSN: 0195-928X
Fröba AP., Krzeminski K., Leipertz A.:
Thermophysical properties of 1,1,1,3,3-pentafluorobutane (R365mfc)
In: International Journal of Thermophysics 25 (2004), S. 987-1004
ISSN: 0195-928X
Pellegrino LP., Fröba AP., Leipertz A.:
Viscosity and surface tension of saturated n-pentane
In: International Journal of Thermophysics 25 (2004), S. 1323-1337
ISSN: 0195-928X

Avsec J., Marcic M., Leipertz A., Fröba AP.:
Velocity of sound of binary mixture R507 and ternary mixture R404A
In: Journal of Thermophysics and Heat Transfer 17 (2003), S. 334-339
ISSN: 0887-8722
Dankers S., Leipertz A., Will S., Arndt J., Vogel K., Schraml S., Hemm A.:
In-situ measurement of primary particle sizes during carbon black production
In: Chemical Engineering & Technology 26 (2003), S. 966-969
ISSN: 0930-7516
DOI: 10.1002/ceat.200302955
Fröba AP., Leipertz A.:
Accurate determination of liquid viscosity and surface tension using surface light scattering (SLS): Toluene under saturation conditions between 260 and 380 K
In: International Journal of Thermophysics 24 (2003), S. 895-921
ISSN: 0195-928X
Fröba AP., Leipertz A.:
Dynamic light scattering (DLS) for the comprehensive characterization of fluids in energy, heat, and process engineering
In: Chemie Ingenieur Technik 75 (2003), S. 1151-1152
ISSN: 0009-286X
URL: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0142155722&origin=inward
Fröba AP., Leipertz A.:
Thermophysical properties of the refrigerant mixtures R410A and R407C from dynamic light scattering (DLS)
In: International Journal of Thermophysics 24 (2003), S. 1185-1206
ISSN: 0195-928X
Seeger T., Beyrau F., Bräuer A., Leipertz A.:
High-pressure pure rotational CARS: comparison of temperature measurements with O2, N2 and synthetic air
In: Journal of Raman Spectroscopy 34 (2003), S. 932-939
ISSN: 0377-0486

Dankers S., Schraml S., Will S., Leipertz A., Arndt J., Vogel K., Hemm A.:
In-situ measurement of primary particle sizes in the production of industrial carbon black
In: Chemie Ingenieur Technik 74 (2002), S. 1003-1006
ISSN: 0009-286X
Will S., Leipertz A., Schraml S., Dankers S.:
Application of laser-induced incandescence for the determination of primary particle sizes of nanoparticles demonstrated using carbon blacks
In: Chemical Engineering & Technology 25 (2002), S. 1160-1164
ISSN: 0930-7516
DOI: 10.1002/1521-4125(20021210)25:123.0.CO;2-1
Will S., Leipertz A., Schraml S., Dankers S.:
Testing of laser-induced ignition technique for determination of primary particle sizes of nanoparticles for the example of industrial soots
In: Chemie Ingenieur Technik 74 (2002), S. 104-108
ISSN: 0009-286X

Fröba AP., Leipertz A.:
Viscosity and surface tension of saturated toluene from surface light scattering (SLS)
In: International Journal of Thermophysics 22 (2001), S. 41-59
ISSN: 0195-928X
Fröba AP., Will S., Leipertz A.:
Thermal diffusivity and sound speed of the refrigerant R143a (1,1,1-trifluoroethane)
In: International Journal of Thermophysics 22 (2001), S. 1021-1033
ISSN: 0195-928X
Fröba AP., Will S., Leipertz A.:
Thermophysical properties of binary and ternary fluid mixtures from dynamic light scattering
In: International Journal of Thermophysics 22 (2001), S. 1349-1368
ISSN: 0195-928X
Fröba AP., Will S., Leipertz A.:
Thermophysical properties of R143a (1,1,1-trifluoroethane)
In: International Journal of Refrigeration-Revue Internationale Du Froid 24 (2001), S. 734-743
ISSN: 0140-7007
Hubner T., Will S., Leipertz A.:
Sedimentation image analysis (SIA) for the simultaneous determination of particle mass density and particle size
In: Particle & Particle Systems Characterization 18 (2001), S. 70-78
ISSN: 0934-0866
DOI: 10.1002/1521-4117(200107)18:23.0.CO;2-P

Fröba AP., Will S., Leipertz A.:
Diffusion modes of an equimolar methane-ethane mixture from dynamic light scattering
In: International Journal of Thermophysics 21 (2000), S. 603-620
ISSN: 0195-928X
Fröba AP., Will S., Leipertz A.:
Saturated liquid viscosity and surface tension of alternative refrigerants
In: International Journal of Thermophysics 21 (2000), S. 1225-1253
ISSN: 0195-928X
Schraml S., Dankers S., Bader K., Will S., Leipertz A.:
Soot temperature measurements and implications for time-resolved laser-induced incandescence (TIRE-LII)
In: Combustion and Flame 120 (2000), S. 439-450
ISSN: 0010-2180
DOI: 10.1016/S0010-2180(99)00117-0

Fröba AP., Will S., Leipertz A.:
Determination of several thermophysical properties of toluene using a single experimental setup
In: Fluid Phase Equilibria 161 (1999), S. 337-351
ISSN: 0378-3812
Fröba AP., Will S., Leipertz A.:
Dynamic light scattering as universal measuring technique for determining material properties illustrated for the example of toluene
In: Chemie Ingenieur Technik 71 (1999), S. 257-261
ISSN: 0009-286X
Wagner V., Ipp W., Wensing M., Leipertz A.:
Fuel distribution and mixture formation inside a direct injection SI engine investigated by 2D mie and lief techniques
In: SAE Technical Papers (1999)
ISSN: 0148-7191
DOI: 10.4271/1999-01-3659
Will S., Hubner T., Leipertz A.:
Determination of particle mass density distribution
In: Particle & Particle Systems Characterization 16 (1999), S. 85-91
ISSN: 0934-0866
DOI: 10.1002/(SICI)1521-4117(199906)16:23.3.CO;2-4

Fröba AP., Rabenstein F., Münch KU., Leipertz A.:
Mixture of triethylamine (TEA) and benzene as a new seeding material for the quantitative two-dimensional laser-induced exciplex fluorescence imaging of vapor and liquid fuel inside SI engines
In: Combustion and Flame 112 (1998), S. 199-209
ISSN: 0010-2180
Stach T., Wensing M., Münch KU., Leipertz A.:
Zweidimensionale quantitative Bestimmung der Tropfengröße in Sprays
In: Chemie Ingenieur Technik (1998)
ISSN: 0009-286X
Juha Pentikäinen, Michael Wensing, Sami Juutinen, Kai Uwe Münch, Alfred Leipertz:
Gasoline: Influence of fuel-oxygen on NOx-emissions
In: SAE Technical Papers (1998)
ISSN: 0148-7191
DOI: 10.4271/981366
Will S., Fröba AP., Leipertz A.:
Thermal diffusivity and sound velocity of toluene over a wide temperature range
In: International Journal of Thermophysics 19 (1998), S. 403-414
ISSN: 0195-928X
Will S., Schraml S., Bader K., Leipertz A.:
Performance characteristics of soot primary particle size measurements by time-resolved laser-induced incandescence.
In: Applied Optics 37 (1998), S. 5647-58
ISSN: 0003-6935
DOI: 10.1364/AO.37.005647

Fröba AP., Will S., Leipertz A.:
Light scattering by surface waves on a vertical layer of liquid toluene
In: Applied Optics 36 (1997), S. 7615-7620
ISSN: 0003-6935
Wensing M., Münch KU., Leipertz A.:
Characteristics and application of gasoline injectors to SI engines by means of measured liquid fuel distributions
In: SAE Technical Papers (1997)
ISSN: 0148-7191
DOI: 10.4271/972947
Will S., Leipertz A.:
Viscosity of liquid n-heptane by dynamic light scattering
In: International Journal of Thermophysics 18 (1997), S. 1339-1354
ISSN: 0195-928X
DOI: 10.1007/BF02575338

Münch KU., Wensing M., Leipertz A.:
Schnelle Charakterisierung von Mehrstoffdüsen mit einem zweidimensionalen Streulichtverfahren
In: Chemie Ingenieur Technik (1996)
ISSN: 0009-286X
Will S., Leipertz A.:
Dynamic light scattering system with a novel scattering cell for the measurement of particle diffusion coefficients
In: Review of Scientific Instruments 67 (1996), S. 3164-3169
ISSN: 0034-6748
DOI: 10.1063/1.1147440

Will S., Kraft K., Reith A., Leipertz A.:
PHOTOSEDIMENTATION FOR PARTICLE-SIZE ANALYSIS IN-PROCESS MEASUREMENT TECHNOLOGY
In: Chemie Ingenieur Technik 67 (1995), S. 113-117
ISSN: 0009-286X
DOI: 10.1002/cite.330670118
Will S., Schraml S., Leipertz A.:
Two-dimensional soot-particle sizing by time-resolved laser-induced incandescence.
In: Optics Letters 20 (1995), S. 2342
ISSN: 0146-9592
DOI: 10.1364/OL.20.002342

Will S., Leipertz A.:
Determination of the dynamic viscosity of transparent fluids by using dynamic light scattering.
In: Applied Optics 32 (1993), S. 3813-3821
ISSN: 0003-6935
DOI: 10.1364/AO.32.003813

Alfred Leipertz

Prof. Dr.-Ing. Dr. h.c. Alfred Leipertz, Senior Professor of Chemical Engineering und Pensionierter Ordinarius (Emeritus) für Technische Thermodynamik

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