INTRODUCTION More and more, the value and acceptance of a fan is determined not only by pressure characteristics Chair of Fluid Systems, Technische Universität Darmstadt, Otto-Berndt-Str. aTU Darmstadt, Chair of Fluid Systems, Otto-Berndt-Straˇe 2, 64287 Darmstadt Abstract Hydraulic accumulators play a central role as energy storage in nearly all uid power systems. peter.pelz@fst.tu-darmstadt.de (P.F.P.) 64287 Darmstadt, E-mail: peter.pelz@fst.tu-darmstadt.de Abstract Nowadays sealing systems are commonly designed by means of hydrodynamic and elastohydrodynamic theories. Work L1|01 465 Otto-Berndt-Straße 2 64287 Darmstadt * john.friesen@fst.tu-darmstadt.de Abstract The two most important aneurysm types are cerebral aneurysms (CA) and abdominal aortic aneurysms (AAA), accounting together for over 80% of all fatal aneurysm incidences. Master of … The fluid is moved forward by the motion of in theory closed displacement volumes from suction to pressure side. (2005): Losses in Air Intake Components of Industrial Gas Turbines.S. The accumulators … 521-531, 6th European Conference on Turbomachinery Fluid Dynamic and Thermodynamics, Lille, 2005, [Konferenzveröffentlichung], Matyschok, B. ; Stoffel, B. of Steam and Gas Turbines, [Konferenzveröffentlichung], Gugau, Manfred ; Matyschok, B. ; Stoffel, B. 4, Darmstadt, 64289, Germany, peter.pelz@fst.tu-darmstadt.de, stefan.stonjek@fst.tu-darmstadt.de Abstract A scaling method valid for most turbomachines based on first principles is derived. (2001): Experimentelle Analyse der Rotating Stall-Struktur in einem einstufigen Axialverdichter.In: VDI-Berichte Nr. 64287 : +49-6151-1627103 Received: 10 August 2020; Accepted: 15 September 2020; Published: 17 September 2020 Abstract: Water distribution systems (WDSs) as critical infrastructures are subject to demand peaks due to daily consumption fluctuations, as well as long term changes in the demand pattern due to (2004): Experimental investigations on a turbocharger compressor having a recirculator for sure control.In: International Symposium on Transport Phenomena and Dynamics of Rotating Machinery <10, 2004, Honolulu>: Extended abstracts, proceedings, Honolulu, Hawaii, USA, March 07 - 11, 2004 / organized by Pacific Center of Thermal Fluids Engineering, USA; Institute, Aachen, Inst. L1|01 443 The actuator is de-signed for small movements at high forces. Peter Pelz, Technische Universität Darmstadt, Darmstadt Abstract Screw pumps are positive displacement pumps. 1Chair of Fluid Systems Technology, Technische Universität Darmstadt Magdalenenstr. The concept is devel-oped to change the rolling piston diameter of an active air spring during usage. Nils Preuß, Technische Universität Darmstadt, Darmstadt Oliver Troßmann, Leistritz Pumpen GmbH, Nürnberg Univ.-Prof. Dr.-Ing. ); lea.rausch@fst.tu-darmstadt.de (L.R.) In: … (1993): Der Dichtspalt in Kreiselpumpen ein einfaches Element mit sehr komplexen Auswirkungen. 585-593, [Konferenzveröffentlichung], Stoffel, B. ; Matyschok, B. Tagung Motorprozesssimulation und Aufladung, Berlin, 16. und 17. Work L1|01 462 Otto-Berndt-Straße 2 64287 Darmstadt Darmstadt, Saul, Sebastian ; Matyschok, B. ; Pelz, P. F. (2018): Fan Model Test at Varying Ambient Pressure - Efficient Product Validation at Full Scale Reynolds and Mach Number.In: FAN2018 - Proceedings of the International Conference on Fan Noise, Aerodynamics, Applications and Systems - Darmstadt 2018, [Artikel], Nakhjiri, M. ; Pelz, P. F. ; Matyschok, B. ; Horn, A. tim.mueller@fst.tu-darmstadt.de Peter F. Pelz peter.pelz@fst.tu-darmstadt.de 1 Chair of Fluid Systems, Department of Mechanical Engineering, Technische Universität Darmstadt, Darmstadt, Germany 2 Faculty of Energy, Building Services and Environmental Engineering, Münster University of Applied Sciences, Stegerwaldstr. The … Bulk Flow - reliable and efficient prediction of forces and leakage for annular gaps in pumps Robrecht, R. M. ; Kuhr, Maximilian ; Pelz, P. F. (2019): The presented system design tool Master of Science Data and Discourse Studies. 1Technische Universität Darmstadt Fluid Systems Technology Magdalenenstraße 4, Darmstadt, 64289, Germany mehdi.nakhjiri@fst.tu-darmstadt.de *peter.pelz@fst.tu-darmstadt.de berthold.matyschok@fst.tu-darmstadt.de 2IAV GmbH Rockwellstraße 16, 38518 Gifhorn, Germany lorenz.daeubler@iav.de andreas.horn@iav.de Abstract J. Fluids Eng. It accounts for axial and centri- Master of Arts Distributed Software Systems . Apr 2019, 141(4): 041107 (8 pages) Paper … Oktober 2020 Vorlesungsankündigung Technical Operations Research Von Jupyter Notebooks, Zoom und Verschiebung in den WP II Bild: Katrin Binner. fax +49 6151 16-27111, Work Aktuelle Angebote für Studierende sowie Absolventinnen und Absolventen, Von Jupyter Notebooks, Zoom und Verschiebung in den WP II, TU Darmstadt beteiligt an „NFDI4Ing“ – Ausbau von Forschungsdateninfrastruktur für Ingenieurwissenschaften. Unsere Forschungskompetenz zeigt sich in verschiedenen Feldern, von der Mathematik bis zur Maschine. Electronic address: peter.pelz@fst.tu-darmstadt.de. 1640, [Report], Jördening, A. ; Matyschok, B. ; Stoffel, B. 179, [Konferenzveröffentlichung] Stoffel, B. 1 Corresponding author. TU Darmstadt; Maschinenbau; FST; Team; Team. Master of Science Entrepreneurship and Innovation Management. [Artikel] Lohrberg, H.; Stoffel, B. (1997): Design, Development and Verification of Gas Turbine GT24 Air Intake.In: ASME ASIA 97 Congress & Exhibition, Singapore, September 30 October 2, 1997, [Konferenzveröffentlichung]. Darmstadt 64287, Hesse, Germany e-mail: peter.pelz@fst.tu-darmstadt.de Contributed by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . 30% des Energieverbrauchs durch Optimierung des Zusammenspiels der Komponenten in Fluidsystemen reduzieren, Megacities in denen 6 Milliarden Menschen Trinkwasser brauchen: Wasserversorgung von Morgen, Mehr Dynamik geht nicht: Kavitation und generische Strömungen in Turbomaschinen, Mit Flüssigkeiten, Gasen und porösen Medien konstruieren: Fahrwerke von Morgen, Vorlesungsangebot, Tutorien und aktuelle Ausschreibungen zu Abschluss- und Projektarbeiten. Technische Universität Darmstadt Darmstadt, Germany Phone: +49-6151-16-2153, FAX: +49-6151-16-2453, E-mail: peter.pelz@fst.tu-darmstadt.de NOMENCLATURE a speed of sound C power coefficient d diameter k roughness height, relative roughness height M scale factor Ma Mach number n rotational shaft speed P power p static pressure Re Reynolds number : +49-6151-16-27100 † This paper is an extended version of our paper published in Proceedings of the 17th International Symposium - Padova: Servici Grafici Ed., 2001 = Paper ATI-CST-023/01, Padova, Servici Grafici Ed., [Konferenzveröffentlichung], Jördening, A. ; Matyschok, B. ; Stoffel, B. It is insensitive to side forces, which are TU Darmstadt ULB TUbiblio Multi-Criteria Optimization of Pressure Screen Systems in Paper Recycling — Balancing Quality, Yield, Energy Consumption and System Complexity Müller, T. M. ; Altherr, L. C. ; Ahola, Marja Birgit ; Schabel, Samuel ; Pelz, P. F. Multi-Criteria Optimization of Pressure Screen Systems in Paper Recycling — Balancing Quality, Yield, Energy Consumption and System Complexity. PMID: 25189093 DOI: 10.1016/j.jbiomech.2014.06.037 Abstract The speed of a competitive rowing crew depends on the number of crew members, their body mass, sex and the type of rowing-sweep rowing or sculling. Gerhard.Ludwig@fst.tu-... work +49 6151 16-27102 fax +49 6151 16-27111. 4, D-64289 Darmstadt, Germany. (2000): Avoiding Cavitation Erosion. e-mail: peter.pelz@fst.tu-darmstadt.de. Peter.Pelz@fst.tu-... work +49 6151 16-27101 fax +49 6151 16-27111. [Report], Wang, Q. ; Heß, M. ; Matyschok, B. ; Pelz, P. F. (2009): Simulation of the Flow and Acoustic Field of a Fan.In: International Conference on Fluid Flow Technologies 2009, [Artikel], Brune, K. H. ; Matyschok, B. ; Stoffel, B. ; Münz, S. (2006): CFD-Analysis of the Flow Consisting of Two Mass Flows With Different Temperatures and/or Two Phases in a Turbocompressor.2006 ASME Joint U.S. – European Fluids Engineering Summer Meeting, Miami, FL, USA, July 17-20, 2006, [Konferenzveröffentlichung], Biesinger, T. ; Kappies, W. ; Matyschok, B. ; Stoffel, B. 15. ); ferdinand.cloos@fst.tu-darmstadt.de (F.-J.C.) * Correspondence: peter.pelz@fst.tu-darmstadt.de; Tel. 2020. To minimise aneurysm related deaths, clinicians require various tools to accurately estimate its rupture risk. Englischsprachige Master-Studiengänge an der TU Darmstadt Cognitive Science. S. 299-306, [Konferenzveröffentlichung], Zierer, T. ; Matyschok, B. Atom RSS 1.0 RSS 2.0: TU Darmstadt (494) 16 Fachbereich Maschinenbau (494) Institut für Fluidsystemtechnik (FST) (494) Energieoptimale Fluidenergiemaschinen ... Zeitschrift der TU Darmstadt, 2000 (1), S. 26-30. Otto-Berndt-Straße 2 Berthold.Matyschok@fst.tu-... work +49 6151 16-27110 fax +49 6151 16-27111. Technische Universität Darmstadt, Chair of Fluid Systems, Otto-Berndt-Straße 2, 64287 Darmstadt, Germany SUMMARY Today, the system design of tunnel ventilation systems including jet fans neglects the stream tube contraction being covered by the Rankine-Betz theory. C. Corneli, Tobias (2019): Wandgleiten in Strömungen Newtonscher Flüssigkeit. VDI-Fachtagung Ventilatoren, Braunschweig, 16. und 17. 39, Steinfurt, Germany 123 Due to the pressure (2010): Numerische Simulation von turbulenzbedingtem Schall mit OpenFOAM. (2001): Experimental and 3-D numerical analysis of the flow field in a turbocharger compressor.In: European Conference on Turbomachinery <4, 2001, Firenze>: Conference Proceedings. In: Fachtagung Integrierte mechanisch-elektronische Systeme, Darmstadt, 1993, veröffentlicht in VDI Fortschrittsberichte Nr. Krebs, Tobias and Putz, Hans-Joachim and Schabel, Samuel (2020): Umfassende Studie zur Altpapierqualität in Deutschland. (1997): Experimental investigations of the flow at the outlet of a turbocharger turbine rotor.In: European Conference on Turbomachinery, Fluid Dynamics and Thermodynamics <2, 1997, Antwerpen>: Proceedings. Following this insight, a new field of study Work L1|01 443 Otto-Berndt-Straße 2 64287 Darmstadt (2000): Experimental Analysis of Unsteady Flow Separations in an Axial Compressor Using a Dynamic Five Hole Pressure Probe.In: 9th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines, Ecole Centrale de Lyon Lyon, France, September 4-8, 2000, [Konferenzveröffentlichung], Jördening, A. ; Stoffel, B. ; Matyschok, B. Einträge mit Organisationseinheit "16 Fachbereich Maschinenbau > Institut für Fluidsystemtechnik (FST)" Exportieren als . Kontakt Mitarbeiterinnen und Mitarbeiter … (1999): Experimental Investigations of Flow Instabilities in a Single-Stage Axial Compressor.In: 3rd European Conference on Turbomachinery, London, 1999, pp. Assoc. November 2010, ISBN 9783180921129, [Konferenzveröffentlichung], Wang, Q. ; Pelz, P. F. ; Matyschok, B. 2 Technische Universität Darmstadt, Germany, Chair of Fluid Systems, Magdalenenstr. Bild: Katrin Binner. Oktober 2020 Cities are regarded as open, dissipative structures due to their self-organisation and thus in theory 22. (2012): vATL – A Virtual Turbocharger on the Basis of Physical Models: Faster Calibration Processes with Deeper System Understanding.9. Bild: Fluidsystemtechnik. Peter Pelz, Chair of Fluid System, TU Darmstadt, peter.pelz@fst.tu-darmstadt.de Keywords: Energy, Efficiency, Ventilation System, Fans, TGA, Discrete Optimisation Introduction The understanding that optimized components do not automatically lead to energy-efficient systems shifts the attention from the single component to the entire technical system. Manuscript received February 6, 2018; final manuscript received November 12, 2018; published online January 29, 2019. Contributed by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING. TU Darmstadt beteiligt an „NFDI4Ing“ – Ausbau von Forschungsdateninfrastruktur für Ingenieurwissenschaften Zurück Vor. peter.pelz@fst.tu-darmstadt.de * Correspondence: imke.lorenz@fst.tu-darmstadt.de; Tel. For both aneurysm types, the current TU Darmstadt together with FLT (Forschungsvereinigung für Luft- und Trocknungstechnik e. V.) is introduced, validated, and critically discussed in comparison with other methods. Article Determining Factors for Slum Growth with Predictive Data Mining Methods John Friesen 1 ID, Lea Rausch 1 ID, Peter F. Pelz 1,* and Johannes Fürnkranz 2 ID 1 Chair of Fluid Systems, Technische Universität Darmstadt, Otto-Berndt-Straße 2, D-64287 Darmstadt, Germany; john.friesen@fst.tu-darmstadt.de (J.F. Although the analytical as well as the computational approaches have improved in meaning full manner since the last decades: For small sealing gaps, in the order of micrometers and below, a discrepancy between Editor: Olivier Coutier-Delgosha. Master of Science Information and Communication Engineering (iCE) Master of Science International Cooperation in Urban Development. sekretariat@fst.tu-darmstadt.de: Universität Stuttgart Institut für Maschinenelemente (IMA) www.ima.uni-stuttgart.de: sekretariat@ima.uni-stuttgart.de: Italy: Dipartimento di Meccanica, Matematica e Management (DMMM) Politecnico di Bari: 1993 – 1998 Wissenschaftlicher Assistent von Prof. J. H. Spurk, Technische Strömungslehre, TU Darmstadt Sonstiges Seit 2010 Editorial Board ATZ (Automobiltechnische Zeitschrift) Nachwuchsprofessorin Gebäudeautomation und Energiesysteme (FH Münster), Siemens … work +49 6151 16-27110 : +49-6151-16-27100 Received: 12 August 2020; Accepted: 7 September 2020; Published: 8 September 2020 Abstract: Dissipative structures known from non-equilibrium thermodynamics can form patterns. 64289 Darmstadt, E-Mail: peter.pelz@fst.tu-darmstadt.de Abstract In this paper, we present a new compact hydraulic linear actuator. * Correspondence: john.friesen@fst.tu-darmstadt.de; Tel. Bild: Fluidsystemtechnik. (2011): vATL – ein virtueller Abgasturbolader auf Basis physikalischer Modelle.In: Motorprozesssimulation und Aufladung III, S. 110-126, Renningen, Expert-Verlag, 3. TU Darmstadt ULB TUbiblio CAPM vs. By doing so, the air spring can actively apply pressure and tension forces. Symposium Steuerungssysteme für automobile Antriebe, Berlin, Germany, September 2012, [Konferenzveröffentlichung], Nakhjiri, M. ; Pelz, P. F. ; Matyschok, B. ; Horn, A. ; Däubler, L. (2012): Apparent and Real Efficiency of Turbochargers under Influence of Heat Flow.14th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-14), Honolulu, USA, 27.02.-02.03.2012, [Konferenzveröffentlichung], Nakhjiri, M. ; Pelz, P. F. ; Matyschok, B. ; Horn, A. ; Däubler, L. (2011): Physical Modeling of Automotive Turbocharger Compressor: Analytical Approach and Validation.ComVec 2011-Commercial Vehicle Engineering Congress, Chicago, USA, 13.-14.09., DOI: 10.4271/2011-01-2214, [Konferenzveröffentlichung], Karstadt, S. ; Matyschok, B. ; Pelz, P. F. (2011): Sound deadening on fans.7 B, In: Proceedings of ASME Turbo Expo 2011, S. 961-972, New York, ASME, ASME Turbo Expo 2011, Vancouver, Canada, June 6 - 10, 2011, ISBN 9780791854679, [Konferenzveröffentlichung], Nakhjiri, M. ; Pelz, P. F. ; Matyschok, B. ; Horn, A. ; Däubler, L. Sens, Marc ; Wiedemann, Bernd (Hrsg.) Tim M. Müller(tim.mueller fst.tu-darmstadt.de) Philipp Leise(philipp.leise fst.tu-darmstadt.de) Imke-Sophie Lorenz(imke.lorenz fst.tu-darmstadt.de) Lena C. Altherr(lena.altherr fh-muenster.de) Peter F. Pelz(peter.pelz fst.tu-darmstadt.de) Abstract: The application of mathematical optimization methods provides the capacity to increase the energy efficiency and to lower the investment costs of technical … 2, 64287 Darmstadt, Germany; paul.taubert@fst.tu-darmstadt.de (P.T. Mai 2011, ISBN 978-3-8169-3073-0, [Konferenzveröffentlichung], Karstadt, S. ; Heß, M. ; Matyschok, B. ; Pelz, P. F. (2010): The Influence of Tip Clearance on the Acoustic and Aerodynamic Characteristics of Fans.In: Proceedings of the ASME Turbo Expo 2010, S. 39-47, New York, ASME, ISBN 978-0-7918-4402-1, DOI: 10.1115/GT2010-22082, [Buchkapitel], Heß, M. ; Matyschok, B. ; Pelz, P. F. (2010): Aufwertung bei Axialventilatoren - Einfluss von Reynolds-Zahl, relativer Rauheit und Betriebspunkt auf Wirkungsgrad und Druckziffer.In: VDI-Berichte, 2112, In: Ventilatoren : Entwicklung - Planung - Betrieb, S. 189-198, Düsseldorf, VDI-Verlag, 6.
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