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This article addresses the need for an innovative technique in plasma shaping, utilizing antenna structures, Maxwell’s laws, and boundary conditions within a shielded environment. The motivation lies in exploring a novel approach to efficiently generate high-energy density plasma with potential applications across various fields. Implemented in an E01 circular cavity resonator, the proposed method involves the use of an impedance and field matching device with a coaxial connector and a specially optimized monopole antenna. This setup feeds a low-loss cavity resonator, resulting in a high-energy density air plasma with a surface temperature exceeding 3500 o C, achieved with a minimal power input of 80 W. The argon plasma, resembling the shape of a simple monopole antenna with modeled complex dielectric values, offers a more energy-efficient alternative compared to traditional, power-intensive plasma shaping methods. Simulations using a commercial electromagnetic (EM) solver validate the design’s effectiveness, while experimental validation underscores the method’s feasibility and practical implementation. Analyzing various parameters in an argon atmosphere, including hot S -parameters and plasma beam images, the results demonstrate the successful application of this technique, suggesting its potential in coating, furnace technology, fusion, and spectroscopy applications.
Simultaneous detection of cyanide and heavy metals for environmental analysis by means of µISEs
(2010)
Various planar technologies are employed for developing solid-state sensors having low cost, small size and high reproducibility; thin- and thick-film technologies are most suitable for such productions. Screen-printing is especially suitable due to its simplicity, low-cost, high reproducibility and efficiency in large-scale production. This technology enables the deposition of a thick layer and allows precise pattern control. Moreover, this is a highly economic technology, saving large amounts of the used inks. In the course of repetitions of the film-deposition procedure there is no waste of material due to additivity of this thick-film technology. Finally, the thick films can be easily and quickly deposited on inexpensive substrates. In this contribution, thick-film ion-selective electrodes based on ionophores as well as crystalline ion-selective materials dedicated for potentiometric measurements are demonstrated. Analytical parameters of these sensors are comparable with those reported for conventional potentiometric electrodes. All mentioned thick-film strip electrodes have been totally fabricated in only one, fully automated thickfilm technology, without any additional manual, chemical or electrochemical steps. In all cases simple, inexpensive, commercially available materials, i.e. flexible, plastic substrates and easily cured polymer-based pastes were used.
formine 2010 ... ein Haus ... : Workshop ; Fachbereich Architektur / Tünnemann, Thomas [Red.]
(2010)
Formine Metaraum 2 : Workshop 2013 des Moduls Gestalten, FB Architektur der Hochschule Aachen
(2013)
Workshop Formine 2015 mit Projekten von Antonia Zajgia, Arnoud Charoy, Laura Viktoria Koch, Kai Stein, Ferdinand Klopfer, Florian D. Heinz, Tobias Scholz, Moritz Gnädinger, Pablo Raphael, Franko Scheuplein, Thomas Tünnemann, René Großner, Anny Phung, Mylenne Jakob-Wendel, Kira Joerißen, Florian Erber, Julian Wesse und Isolde Nagel
Leitung und Konzeption: Thomas Tünnemann, Professor für Gestalten, FB Architektur, FH Aachen:
Mit Beiträgen von
Miriam Azzab, Larissa Rohr, Janna Steinhart, Felix Reymann, Kevin Osterkamp, Mark Kieckhefer, Pia Bienert, Sarah Schuhmann, Hermann Stuzmann, Silvana Hecklinger, Thorsten, Köllen, Jesse Dilworth, Silke Wanders, Tomas Tünnemann und Jan Waschinzki
Herausgeber: Prof. Dipl.-Ing. Thomas Tünnemann
Katalog Layout; Thilo Haas, Matthias Funken
Lektorat: Gerd Götschen
Titelbild: Kevin Osterkamp
Fotos, Yvonne Albers | Fotografin und die jeweiligen Verfasserinnen
Impressum | Inhalt 01
Team | Die Besetzung 03
Thomas Tünnemann | Neo Forma 05
Projekte
Carolin Grün | Fare Luce 07
Anke Mannshausen | Tetto Galleggiante 11
Kevin Osterkamp | Azione e Reazione 15
Collin Hackenbroich | Fuori Dentro 21
Lynn Thomas | La Tramoggia 25
Miriam Azzab | l‘Incontro 29
Jonas Wübbe | Le Scale 35
Matthias Funken | Il Laboratorio 39
Moran Dorner | La Via 43
Thilo Haas | Le Scale Vicino 47
Frank Drehsen | Dietro l‘Angelo 51
Felix Fischer | La Capella 55
Thomas Tünnemann | Basilica di Argento 59
Esra Ulutas | Arco Rotondo di Speranza 63
Jana Tillmanns | Punto di Rottura 67
Henri Boh | Il Portale 71
Paul Brüggentisch | Silenzio in Movimento 75
Hermann Stuzmann | Scale Antincendio 79
Atmosphärisches
Auf die Küche | Kulinarisches 81
Carpe Diem | Fotografisches 87
Formine 2019 : In Cima
(2019)