Ulrich Hirn

Univ.-Prof. Dipl.-Ing. Dr.techn.

1990 …2022
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Research Output 1999 2019

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(Old data) Lecture or Presentation
2017

Failure mechanism for pulp inter-fibre joints

Ulz, M. H., Ebner, T. & Hirn, U., 2017.

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

Using atomic force microscopy to investigate the transversal viscoelastic properties of paper fibers

Czibula, C. M., Ganser, C., Teichert, C. & Hirn, U., 2017.

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

2016

AFM based dynamic mechanical analysis of viscoelastic properties of cellulose fibers

Czibula, C., Ganser, C., Teichert, C. & Hirn, U., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Cellulose fibers and bonds - Mechancial and morphological properties of the smallest constituents of the paper network

Fischer, W. J., Jajcinovic, M., Hirn, U. & Bauer, W., Mar 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Humidity dependent mechanical properties of cellulose materials investigated by atomic force microscopy

Ganser, C., Czibula, C., Hirn, U. & Teichert, C., 13 Oct 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Measurements of viscoelasticity and adhesion force of polymer materials with large radius AFM tips

Ganser, C., Czibula, C., Manhart, J., Radl, S., Schlögl, S., Hirn, U. & Teichert, C., 28 Sep 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2014

Investigating individual fibers and fiber to fiber joints

Fischer, W. J., Jajcinovic, M., Hirn, U., Bauer, W. & Schennach, R., 24 Oct 2014.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Möglichkeiten zur Energieeinsparung in der Trockenpartie

Leuk, P., Schneeberger, M., Hirn, U. & Bauer, W., 4 Dec 2014.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

The contact area of press felts under load and its effect on dewatering efficiency

Leuk, P., Dauer, M., Schneeberger, M., Hirn, U. & Bauer, W., 24 Jun 2014.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2013

Ablauf von komplexen technologischen Prozesse n verstehen mit Hilfe von Simulation - ein Weg zur Kostenoptimierung in der Trockenpartie

Schneeberger, M., Fisera, P., Leuk, P., Hirn, U. & Bauer, W., 15 May 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Opportunities for energy savings in the drying section

Schneeberger, M., Leuk, P., Hirn, U. & Bauer, W., 12 Jun 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Paper Related Reasons for Print Defects

Hirn, U., Feirer, V. & Wind, E., 13 Dec 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Simulation in Papermaking - a Way to Reduce Costs

Leuk, P., Schneeberger, M., Hirn, U. & Bauer, W., 20 Nov 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Simulation of heat and mass transfer in paperdrying to generate energy optimisations

Schneeberger, M., Leuk, P., Hirn, U. & Bauer, W., 11 Mar 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

The heat of sorption in paper drying - an investigation of measurement methods

Leuk, P., Schneeberger, M., Hirn, U. & Bauer, W., 26 Nov 2013.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2012

Automated 3D Measurement of Fiber Cross Section Morphology in Handsheets

Lorbach, C., Hirn, U., Kritzinger, J. & Bauer, W., 11 Jun 2012.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Energetische Trocknungsoptimierung bei Papiermaschinen mittels Simulation von Stoff- und Wärmeübertragung

Schneeberger, M., Leuk, P., Hirn, U., Bauer, W. & Fisera, P., 2 May 2012.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Possibilities for energy savings in the drying group

Schneeberger, M., Leuk, P., Hirn, U. & Bauer, W., 21 Nov 2012.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Shear testing of individual fiber-fiber joints under biaxial load and simultaneous analysis of deformation

Fischer, W. J., Hirn, U., Bauer, W. & Schennach, R., 10 Jun 2012.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2011

Local Variations in Paper Structure and their Effect on Print Unevenness

Hirn, U., Wind, E. & Bauer, W., 11 Jan 2011.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2010

An Interdisciplinary View on the Strength of a Fiber-Fiber Bond in Paper

Hirn, U., Kappel, L., Schmied, F., Fischer, W. J. & Schennach, R., 13 Oct 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Modelling Print Coverage in Flexo Print and Print Unevenness in Heatset Web Offset

Feirer, V., Wind, E., Hirn, U. & Bauer, W., 15 Oct 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2009

Anwendungen für hochauflösende Formationsmessung mittels Beta Radiografie

Hirn, U., Eckhart, R. & Bauer, W., 27 May 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Fiber Morphology and Bonding, Paper Structure and Printability

Hirn, U., Eckhart, R., Kritzinger, J., Kappel, L. & Bauer, W., 16 Oct 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2008

A novel method for the analysis of fiber-to-fiber bonding area

Kappel, L., Bauer, W. & Hirn, U., 10 Apr 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Mottle in Gravure Printed SC Papers

Hirn, U. & Lechthaler, M., 11 Sep 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Untersuchung von Faser-Faser-Bindungen im Micro- und Nanometerbereich

Kappel, L., Bauer, W., Hirn, U., Schennach, R., Gilli, E., Schmied, F. & Teichert, C., 7 May 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2007

Cross Sectional Pigment Distribution of Calcium Carbonate and Kaolin in Paper

Hirn, U. & Schmied, M., 1 Jan 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2005

Vorstellung neuer Methoden zur Ermittlung der 3D-Papierstruktur und deren Anwendungsmöglichkeiten in der Praxis

Bauer, W., Hirn, U. & Wiltsche, M., 10 Jun 2005.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2004

Bildanalytische Verfahren zur Beurteilung von Druckbild und Bedruckbarkeit

Hirn, U. & Enzi, S., 26 May 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2003

Faserstoffcharakterisierung im Durchfluss

Widauer, H., Hirn, U. & Stark, H., 3 Jun 2003.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch