TY  - JOUR
A1  - Ewe, Hendrik
A1  - Klein, Peter
A1  - Pieper, Martin
A1  - Füldner, G.
T1  - Heat conductivity in sintered aluminium fibers
JF  - Cellular metals for structural and functional applications : CELLMET 2008 ; proceedings of the International Symposium on Cellular Metals for Structural and Functional Applications held October 8 - 10, 2008 in Dresden, Germany / ed. by Günter Stephani
Y1  - 2009
SP  - 187
EP  - 193
PB  - Fraunhofer IFAM
CY  - Dresden
ER  - 
TY  - JOUR
A1  - Alebouyeh Samami, Behzad
A1  - Pieper, Martin
A1  - Breitbach, Gerd
A1  - Hodapp, Josef
T1  - Heat production in the windings of the stators of electric machines under stationary condition
JF  - Heat and mass transfer
N2  - In electric machines due to high currents and resistive losses (joule heating) heat is produced. To avoid damages by overheating the design of effective cooling systems is required. Therefore the knowledge of heat sources and heat transfer processes is necessary. The purpose of this paper is to illustrate a good and effective calculation method for the temperature analysis based on homogenization techniques. These methods have been applied for the stator windings in a slot of an electric machine consisting of copper wires and resin. The key quantity here is an effective thermal conductivity, which characterizes the heterogeneous wire resin-arrangement inside the stator slot. To illustrate the applicability of the method, the analysis of a simplified, homogenized model is compared with the detailed analysis of temperature behavior inside a slot of an electric machine according to the heat generation. We considered here only the stationary situation. The achieved numerical results are accurate and show that the applied homogenization technique works in practice. Finally the results of simulations for the two cases, the original model of the slot and the homogenized model chosen for the slot (unit cell), are compared to experimental results.
Y1  - 2014
U6  - https://doi.org/10.1007/s00231-014-1371-8
SN  - 0947-7411 (Print) ; 1432-1181 (E-Journal)
VL  - 50
SP  - 1707
EP  - 1716
PB  - Springer
CY  - Heidelberg
ER  - 
TY  - JOUR
A1  - Dielmann, Klaus-Peter
A1  - Kramer, C.
T1  - Heißgasventilatoren für den Industrieofenbau / C. Kramer ; K.-P. Dielmann
JF  - Gaswärme international : Gasanwendung in Industrie und Gewerbe. 31 (1982), H. 10
Y1  - 1982
SN  - 0020-9384
SP  - 461
EP  - 467
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Ohler, C.
A1  - Daniels, C.
T1  - Heterojunction band offsets and Schottky-barrier heights: Tersoff’s theory in the presence of strain / C. Ohler ; C. Daniels ; A. Förster ...
JF  - Physical review / B, Condensed matter and materials physics. 58 (1998), H. 12
Y1  - 1998
SN  - 1095-3795
SP  - 7864
EP  - 7871
ER  - 
TY  - JOUR
A1  - Hoyler, Friedrich
A1  - Kessler, E. G.
A1  - Greene, G. L.
T1  - High accuracy, absolute wavelength determination of capture gamma-ray energies for E≤5 MeV and the direct determination of binding energies in light nuclei / E.G. Kessler ; G. L. Greene ... F. Hoyler
JF  - Journal of Physics G. 14 (1988), H. S
Y1  - 1988
SN  - 0305-4616
SP  - S167
EP  - S174
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Montanari, Simone
A1  - Lepsa, Mihail Ion
A1  - Lüth, Hans
T1  - High frequency investigation of graded gap injectors for GaAs Gunn diodes / Simone Montanari ; Arnold Förster ; Mihail Ion Lepsa ; Hans Lüth
JF  - Solid-state electronics. 49 (2005), H. 2
Y1  - 2005
SN  - 0038-1101
SP  - 245
EP  - 250
ER  - 
TY  - JOUR
A1  - Breitbach, Gerd
A1  - Deschka, S.
A1  - Akiba, M.
T1  - High heat flux tests on brazed divertor components in electron and ion beam test facilities / S. Deschka ;  M. Akiba ; G. Breitbach ...
JF  - International journal of refractory metals and hard materials. 11 (1992), H. 6
Y1  - 1992
SN  - 0263-4368
N1  - 2. ISSN (Druck-Ausg.): 0263-4368
SP  - 367
EP  - 375
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Brugger, H.
A1  - Meiners, U.
T1  - High quality GaAs-based resonant tunneling diodes for high frequency device applications / H. Brugger ; U. Meiners ; C. Wölk ... A. Förster ...
JF  - Proceedings : August 5 - 7, 1991, Cornell University, Ithaca, New York / R. J. Trew, General Chairman
Y1  - 1991
SN  - 0-7803-0491-8
N1  - Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits <1991, Ithaca, NY>
SP  - 39
EP  - ff.
PB  - Inst. of Electrical and Electronics Engineers
CY  - Piscataway, NJ
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Hu, Quing
A1  - Verghese, S.
T1  - High-frequency (f ~ 1 THz) studies of quantum-effect devices / Qing Hu ; S. Verghese ; R. A. Wyss ... A. Förster
JF  - Semiconductor science and technology. 11 (1996), H. 12
Y1  - 1996
SN  - 1361-6641
SP  - 1888
EP  - 1894
ER  - 
TY  - JOUR
A1  - Mohnke, Andreas
T1  - High-rate sputtering of zinc oxide with a funnel-shaped magnetic field: Effect of the target thickness on the layer properties
JF  - Vakuum-Technik. 36 (1987), H. 5
Y1  - 1987
SN  - 0042-2266
N1  - unter 63 ZS 073-1986/87 in der Bibliothek Jülich vorhanden
SP  - 148
EP  - 151
ER  - 
TY  - JOUR
A1  - Koller, R.
A1  - Stellberg, Michael
T1  - Hilfsmittel zum systematischen Konstruieren : Ordnen von Spannverbindungen
JF  - Industrie-Anzeiger. Bd. 109 (1987), H. 24
Y1  - 1987
SN  - 0019-9036
SP  - 28 - 29
EP  - 31 - 32
ER  - 
TY  - JOUR
A1  - Butenweg, Christoph
A1  - Fehling, Ekkehard
T1  - Hintergrund für die vereinfachten Regeln bei Mauerwerksgebäuden im Erdbebenfall
JF  - Mauerwerk : European journal of masonry
N2  - Bei der Ausarbeitung des nationalen Anwendungsdokumentes zur DIN EN 1998-1 waren die in der ENV-Fassung enthaltenen vereinfachten Regeln im Lichte aktueller Forschungsergebnisse zu überprüfen und zu überarbeiten. Die gleiche Aufgabe stellte sich auch für die Neufassung der DIN 4149. In beiden Fällen sind neben konstruktiven Regeln für die Art und Anordnung der zur Gebäudeaussteifung heranzuziehenden Wände im Grundriss Tabellen enthalten, die unter bestimmten Bedingungen den Entfall eines rechnerischen Nachweises der Tragwände im Erdbebenfall ermöglichen. Dies ist für Schwachbebengebiete, wie sie in Deutschland und anderen Ländern Mitteleuropas anzutreffen sind, sinnvoll, um unnötigen Rechenaufwand sowie Probleme mit der Führbarkeit von Nachweisen so weit wie möglich auszuschalten. Im vorliegenden Beitrag werden die Hintergründe der vereinfachten Regeln diskutiert und die Ergebnisse der Anwendung mit verschiedenen Rechenverfahren verglichen und bewertet.
Y1  - 2012
U6  - https://doi.org/10.1002/dama.201200537
SN  - 1437-1022 (E-Journal); 1432-3427 (Print)
VL  - Volume 16
IS  - Issue 3
SP  - 127
EP  - 137
PB  - Wiley
CY  - Weinheim
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Malindretos, Jörg
A1  - Indlekofer, Klaus Michael
A1  - Lepsa, Mihail Ion
T1  - Homogeneity analysis of ion-implanted resonant tunnelling diodes for applications in digital logic circuits. Malindretos, Jörg; Förster, Arno; Indlekofer, Klaus Michael; Lepsa, Mihail Ion; Hardtdegen, Hilde; Schmidt, Roland; Luth, Hans
JF  - Superlattices and Microstructures. 31 (2002), H. 6
Y1  - 2002
SN  - 0749-6036
SP  - 315
EP  - 325
ER  - 
TY  - JOUR
A1  - Hoskens, R.C.P.
A1  - Roer, T.G. van de
A1  - Tolstikhin, V.I.
A1  - Förster, Arnold
T1  - Hot electron injection laser: vertically integrated transistor-laser structure for high-speed, low-chirp direct modulation
JF  - LEOS 2000 : 2000 IEEE annual meeting conference proceedings; 13th annual meeting; IEEE Lasers and Electro-Optics Society 2000 annual meeting; 13-16 November 2000, The Westin Rio Mar Beach, Rio Grande, Puerto Rico. Vol. 2
Y1  - 2000
SN  - 0-7803-5947-X
N1  - 2000 IEEE LEOS annual meeting
SP  - 444
EP  - 445
PB  - IEEE Service Center
CY  - Piscataway, NJ
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Lepsa, M. I.
A1  - Freundt, D.
T1  - Hot electron injector Gunn diode for advanced driver assistance systems
JF  - Applied physics A: materials science and processing. 87 (2007), H. 3
Y1  - 2007
SN  - 0947-8396
N1  - ISSN der E-Ausg.: 1432-0630 ; Special issue
SP  - 545
EP  - 558
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Döhler, G. H
A1  - Heber, J.
T1  - Hot electrons in n-i-p.i-based devices / G. H. Döhler ; J. Heber ... A. Förster ...
JF  - Hot electrons in semiconductors : physics and devices / ed. by N. Balkan. - (Series on semiconductor science and technology ; 5)
Y1  - 1998
SN  - 0-19-850058-0
SP  - 478
EP  - 504
PB  - Clarendon Press
CY  - Oxford
ER  - 
TY  - JOUR
A1  - Dotzauer, Martin
A1  - Pfeiffer, Diana
A1  - Lauer, Markus
A1  - Pohl, Marcel
A1  - Mauky, Eric
A1  - Bär, Katharina
A1  - Sonnleitner, Matthias
A1  - Zörner, Wilfried
A1  - Hudde, Jessica
A1  - Schwarz, Björn
A1  - Faßauer, Burkhardt
A1  - Dahmen, Markus
A1  - Rieke, Christian
A1  - Herbert, Johannes
A1  - Thrän, Daniela
T1  - How to measure flexibility – Performance indicators for demand driven power generation from biogas plants
JF  - Renewable Energy
Y1  - 2019
U6  - https://doi.org/10.1016/j.renene.2018.10.021
SN  - 0960-1481
SP  - 135
EP  - 146
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Lachenmann, S. G.
A1  - Kastalsky, A.
A1  - Uhlisch, D.
T1  - Hybrid superconductor/semiconductor step junction with three terminals. Lachenmann, S. G.; Kastalsky, A.; Förster A.; Uhlisch, D.; Neurohr, K.; Schäpers, Th.
JF  - Journal of Applied Physics. 83 (1998), H. 12
Y1  - 1998
SN  - 1089-7550
SP  - 8077
EP  - 8079
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Brugger, H.
A1  - Meiners, U.
A1  - Diniz, R.
T1  - Hydrostatic pressure sensors based on solid state tunneling devices / H. Brugger; U. Meiners ; R. Diniz ... A. Förster ...
JF  - Solid state electronics. 37 (1994), H. 4-6
Y1  - 1994
SN  - 0038-1101
SP  - 801
EP  - 804
ER  - 
TY  - JOUR
A1  - Förster, Arnold
A1  - Schmidt, T.
A1  - Haug, R. J.
T1  - Imaging the local density of states in a disordered semiconductor / T. Schmidt ; R. J. Haug ; V. I. Fal'ko ... A. Förster ...
JF  - 23rd International Conference on the Physics of Semiconductors : Berlin, Germany, July 21 - 26, 1996 / ed.: Matthias Scheffler ... - Vol. 3
Y1  - 1996
SN  - 981-02-2947-X
N1  - International Conference on the Physics of Semiconductors <23, 1996, Berlin>
SP  - 2251
EP  - ff.
PB  - World Scientific
CY  - Singapore [u.a.]
ER  -