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Report of the 6th International Doctoral Workshop of the Uwe Johnson-Gesellschaft
No full textDer 6. Internationale Doktorandenworkshop der Uwe Johnson-Gesellschaft, ausgerichtet in Kooperation mit der Uwe Johnson-Forschungsstelle und -Werkausgabe der BBAW, fand im Mai 2024 in Rostock statt. Teilnehmer aus Deutschland, Italien, Österreich und Norwegen diskutierten verschiedene Aspekte des Werks und Wirkens von Uwe Johnson. In acht Vorträgen wurden literaturwissenschaftliche, biographische und editorische Perspektiven beleuchtet, die von Johnsons Rolle in der Revue Internationale, über seinen Einfluss auf den italienischen Germanisten Enrico Filippini bis hin zu Betrachtungen von Mutmassungen über Jakob im Kontext der Kriminalliteratur reichten. Der vorliegende Bericht hält eine kurze Zusammenfassung aller Beiträge bereit und gibt einen Einblick in den fachlichen Austausch, der auch Raum für methodische Reflexion und interdisziplinären Dialog zuließ.The 6th International Doctoral Workshop of the Uwe Johnson-Gesellschaft, organized in cooperation with the Uwe Johnson-Forschungsstelle and the Uwe Johnson-Werkausgabe of the BBAW, took place in Rostock in May 2024. Participants from Germany, Italy, Austria, and Norway discussed various aspects of Uwe Johnson’s work and legacy. In eight presentations, literary, biographical, and editorial perspectives were explored—ranging from Johnson’s role in the Revue Internationale, to his influence on the Italian Germanist Enrico Filippini, and to interpretations of Speculations About Jakob in the context of crime literature. The present report provides a brief summary of all contributions and offers insight into the academic exchange, which allowed space for methodological reflection and interdisciplinary dialogue as well
Uwe Johnson\u27s Anniversaries - The Commentary: Presentation at the Leipzig Book Fair on 27 March 1999
No full textDieser Beitrag entstand vor mehr als 25 Jahren und zeichnet nach, wie Menschen aus ganz unterschiedlichen Gründen und vor sehr individuellen Hintergründen für ein gemeinsames Verstehen zusammenfanden. Germanisten, Unternehmer und auch ein Jurist haben in den 1990er Jahren den dringend benötigten Kommentar zu Uwe Johnsons Jahrestage erarbeitet. Die Autorin berichtete bei der Vorstellung des Kommentars auf der Leipziger Buchmesse 1999 von Herausforderungen und Möglichkeiten, vom Suchen und Finden und nicht zuletzt vom Vergnügen des beinahe zehnjährigen Arbeitsprozesses. Zu erfahren ist auch, wie ganz nebenbei noch ein Jahrbuch entstanden ist, das seit nunmehr 30 Jahren die Johnson-Forschung versammelt.This contribution originated more than 25 years ago and outlines how people came together for a shared understanding for a variety of reasons and from highly individual backgrounds. In the 1990s, Germanists, entrepreneurs, as well as a lawyer compiled the much-needed commentary on Uwe Johnson’s Jahrestage. At the presentation of the commentary at the Leipzig Book Fair in 1999, the author reflected on challenges and opportunities, on searching and finding, a process – and lots of fun - that lasted almost ten years. As an accidental by-product an annual journal came into being, which has until now has delivered research on Johnson for more than 30 years
»Werbung fürs Lesen«? Literary Film Adaptations on East German Television and Uwe Johnson\u27s Transmedial Critique
No full textVon den 1964 für den Tagesspiegel verfassten Rezensionen des DDR-Fernsehens stellt dieser Aufsatz vor allem jene Kritiken Johnsons in den Mittelpunkt, die sich mit Literaturverfilmungen befassen. Von Interesse ist, auf welche Arten der Deutsche Fernsehfunk Literatur adaptiert hat und welche Adaptionsart von Johnson kritisiert oder gelobt wird, mithin welche Maßstäbe Johnson offenbar an gelungene Filme herangetragen hat – was dann auch ein ausländischer Film sein kann, der im DDR-Fernsehen gezeigt wurde. Helmut Kreuzers Aufsatz zu den »Arten der Literaturadaption« wird deshalb hinzugezogen, wobei hier keine Filmanalysen angeboten werden können, sondern Hintergrundinformationen zu den Verfilmungen und eine Einordnung von Johnsons Kritik.Of the reviews of GDR television written for the Tagesspiegel in 1964, this article focuses primarily on those critics by Johnson that deal with literary adaptations. The main interest lies in the ways in which Deutscher Fernsehfunk adapted literature for television and which forms of adaptation Johnson praised or criticized – thus revealing the standards he evidently applied to successful films, including foreign productions broadcasted on GDR television. Helmut Kreuzer’s essay on the »types of literary adaptation« is therefore taken into account; however, this paper does not offer film analyses but rather provides background information on the adaptations and contextualizes Johnson’s criticism
Experimental Study of a Novel Semi-Transparent Bi-Facial Agri-Voltaic System: Initial Results
Full text linkSolar (photovoltaic)-agriculture practices have experienced notable progress across several countries over the past few decades, creating a field widely known as agrivoltaics. This co-location practice has proved effective for certain crops that prefer partial shade like tomatoes, lettuce, and peppers, although it is less effective for crops needing more sun. Availability of natural sunlight with a specific spectral signature is necessary for agricultural practices as many plant species require an optimum-level and quality of sunlight for photosynthesis. The goal of this work is to model and validate ground-level irradiance for a semi-transparent bifacial solar collector equipped with a custom spectral reflector. By introducing intentional gaps between opaque solar cells, we hope to allow 50% of visible light to pass through the module. Additionally, this technology could reduce the soil temperature by 2° C, improve moisture retention, and enhance yield by providing partial solar radiation. In our model, we can calculate the total solar irradiance for the plants as a function of the cell distribution, material absorption, height of the panel and time of year with a spatial resolution of 0.0625 m2. When comparing theoretical estimates to experimental measurements of photosynthetically active radiation (PAR), we find a discrepancy of 32-48%, and a discrepancy of 19-38% after correction with TMY data
On-Site Testing and Certification of Large-Size Concentrating Tracking Solar Thermal Collector for Medium-Temperature CSP or SHIP Plants
Full text linkThe certification of large-size Linear Fresnel Reflector (LFR) or variable geometry collectors is possible through international standards ISO 9806 and IEC 62862-5-2. However, those concentrating solar collectors have a large-size design that makes it more complicated to test in an accredited permanent laboratory. So, the most common way to accredit those solar products is through on-site testing. In this study, one large-size LFR and one boosted Evacuated Tube Collector (ETC) with lateral reflectors were tested in-site according to the standard ISO 9806
SUMO in SPACE: Combining SUMO and dSPACE for Advanced Traffic Simulation
Full text linkMicroscopic traffic simulation tools enable the simulation of various traffic demands and their impacts. By implementing realistic traffic models, they are commonly used to analyze traffic engineering measures. Since microscopic traffic simulations focus more on the network than on individual small-scale scenarios, such frameworks are appropriate for efficiency studies. In this respect, SUMO allows only a limited investigation of efficiency measures at the vehicle level, as the underlying vehicle models, such as Krauss, Gipps, or IDM, do not regard vehicle dynamics constraints. To encounter this disadvantage, SUMO is enriched by the elements of the submicroscopic simulation tool ASM from dSPACE, including a highly detailed vehicle dynamics model for the ego vehicle. Combining the elements of microscopic and submicroscopic simulation in a co-simulation framework, the effectiveness assessment of efficiency measures can be broken down to vehicle level. Besides the efficiency aspect, the proposed co-simulation bridge also offers the possibility to simulate sensing technology in a 3D environment with AURELION, where SUMO provides realistic traffic situations
South-Oriented PV Trackers: A Solution for Tree Plantations?
Full text linkSingle-axis trackers in AgriVoltaics (APV) systems traditionally face East-West (E-W) to track the sun\u27s path. This study investigates the viability of North-South (N-S) oriented trackers for optimising irradiance distribution in tree plantations. Using a modelling framework and meteorological data from Aix-en-Provence, France, we demonstrate that N-S trackers create distinct shading patterns on the ground that shift throughout the year due to varying solar zenith angles. By strategically positioning photovoltaic (PV) panels relative to tree canopies, our simulations show potential for minimising shading on sun-loving crops like apricot trees, crucial for maintaining photosynthesis levels. We propose innovative tracking algorithms to mitigate shading effects during different seasons, preserving both electrical output and agricultural productivity. Our simulations indicate that N-S trackers offer comparable electricity production to E-W configurations in sun-tracking mode and outperform fixed arrays-oriented South, with minimal losses in irradiance during critical growth periods. Additionally, N-S trackers show promise in reducing soil evaporation, which could enhance water balance in agricultural settings. Future research employing 3D modelling and integrated PV-crop simulations is recommended to optimise design parameters and assess the Land Equivalent Ratio (LER) for further validation
Through a Glass Brightly: Islamic Glass Inlays in the Convent of Santa Fe in Toledo (Spain)
Full text linkThe Islamic era left a lasting legacy in the visual and material culture of the Iberian Peninsula. This phenomenon is particularly striking in a rare find of architectural fragments of an arcade with horseshoe-shaped arches in the convent of Santa Fe in Toledo (Spain). Different coloured glass-inlays (turquoise, purple, colourless) were embedded in the iconographic bas-relief made of plaster, an artistic technique that is unparalleled. This study explores the dynamics of glass supply and workshop practices in 11th-century Spain through the chemical analysis of 46 specimens of these glass inlays. Laser ablation inductively coupled plasma mass spectrometry revealed a compositional resemblance but no identity with Iberian soda-rich plant ash glass, pointing to a regional or even local production. The glass assemblage as a whole proved very homogeneous and we were able to identify possible batches in which the individual pieces were probably cut from the same sheet of glass. Despite using the same base glass, the copper-turquoise coloured fragments showed different colouring techniques and combinations of colouring elements. Our findings shed light on the organisation of secondary glass working and material procurement for artistic purposes in Islamic Spain
Development of a Methodology for Heating Network Planning to be Considered in Electricity Network Planning: A Cross-Sectoral Approach for Greenfield Planning
Full text linkThe transformation of heating supply is critical to achieve climate neutrality by 2045. In 2024, new regulations specify climate-neutral heating solutions for new quarters. Heating networks are a viable option for meeting these requirements. This contribution presents an automated methodology for heating network planning in new quarters. The entire process is completed within a few seconds to minutes per optimization level, enabling an iterative approach between heating network planning and energy-based optimization. This method can be applied to both small and large quarters and provides essential data for electricity network planning, particularly regarding economic efficiency and the number of consumers served by alternative decentralized solutions
Grid Fees in Transition: Variable Grid Fees as a Tool for Distribution Grid Congestion Management?
Full text linkThe reform of §14a of the German Energy Industry Act (EnWG) opens up the possibility for customers to choose variable grid fees for the first time. This legal adjustment enables distribution grid operators to design more flexible grid fees and to incentivise a potentially more efficient load management in the low-voltage grid. This paper includes a comprehensive analysis of the current design of variable grid fees and their congestion-relieving effect in the low-voltage grid. Particular attention is paid to the potential further development of grid charges towards a real-time pricing model that allows dynamic load control on the basis of real time grid utilisation. The results show that variable grid fee models can have impact on the stability and efficiency in the low-voltage distribution grid - both positive and negative. This work provides insights into the recent and possible future design of grid fees and their potential role in the energy transition