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Computational investigation of oxy-combustion of pulverized coal and biomass in a swirl burner
(2022)
Experimental investigation of heat transfer performance of corrugated tube with spring tape inserts
(2019)
Schule als sicherer Ort
(2017)
Applicability of Aeroacoustic Scaling Laws of Leading Edge Serrations for Rotating Applications
(2020)
Der Tagungsband umfasst sämtliche Beiträge des Themennachmittags „New Work – Next Learning“, der am 22. November 2022 am Fachbereich Wirtschaftswissenschaften der Hochschule Düsseldorf stattgefunden hat. Ausgehend von der Fragestellung, welche Mitarbeiter und Führungsnachwuchskräfte Unternehmen zur erfolgreichen Bewältigung des digitalen Wandels benötigen und welche Erwartungen Studierende an zukünftige Arbeitsstrukturen und -prozesse haben, wurde auch kritisch diskutiert, welche Chancen und Risiken hierbei aus der Digitalisierung der Hochschule resultieren und was dies für zukünftige Forschungs-, Lehr- und Verwaltungsprozesse an Hochschulen bedeutet. Dazu haben unterschiedliche Referenten das Tagungsthema aus Sicht von Wirtschaftspraxis und Hochschule beleuchtetet und wichtige Impulse zu den Potenzialen der Digitalisierung in der Hochschul- und Weiterbildung, zur Bedeutung von selbstbestimmtem und eigenverantwortlichem Lernen, innovativen Lehr- und Lernkonzepten sowie einem veränderten Rollenverständnis beigetragen.
Poor young people more often face health difficulties, (learning) disabilities, and are overrepresented in special schools. Consequently, youth from poor households disproportionately frequently participate in disability‐specific programs aiming to improve their educational levels and labor market opportunities. They face a double burden of disability and poverty. In our study, we look at poor and non‐poor youth with disabilities (YPWD) who participate in vocational rehabilitation (VR) and whether VR helps them (a) in transitioning into employment and (b) in leaving poverty. We examine the association between the receipt of initial basic income support (BIS) as a poverty indicator, later labor market outcomes, and earned vocational qualification using administrative data. We make use of a sample of all persons accepted for VR in 2010 (N = 36,645). We employ logit models on VR attendees’ labor market outcomes three and five years after being accepted for VR as well as on their earned vocational qualifications. Beside initial poverty status, we control for educational level, type, and degree of disability and program pattern during the VR process. Our findings show that YPWD from poor households have a decreased likelihood of a vocational certificate and employment. Additionally, they are more likely to receive BIS than young people not from poor households and thus more likely to remain poor. In conclusion, VR seems to support poor YPWD less in their school‐to‐work transitions. Thus, disability‐specific programs should be more tailored to the social situations of participants, and counsellors should be more sensitive to their social backgrounds.
The Long Tail theory serves as an explanation for market change triggered through evolving online market conditions. However, it is often referred to without empirical validation, or with inconsistent findings on its applicability. Therefore, this paper analyses the applicability of the Long Tail theory to German online media offerings as of 2014 and 2016, focusing on offerings that serve information purposes (information offerings). Based on a unique dataset of commercially oriented online media offerings (Longitudinal IntermediaPlus 2014–2016), an analysis for three Long Tail characteristics (variety increase, opposing concentration between hit and niche offerings and niche market share increase) is conducted. By additionally distinguishing between political and entertainment-oriented information offerings as boundaries of democratized online market conditions the analysis reveals that the Long Tail theory is not fully applicable to any market sample, and especially not to politically oriented offerings.
The soundscape approach highlights the role of situational factors in sound evaluations; however, only a few studies have applied a multi‐domain approach including sound‐related, person‐related, and time‐varying situational variables. Therefore, we conducted a study based on the Experience Sampling Method to measure the relative contribution of a broad range of potentially relevant acoustic and non‐auditory variables in predicting indoor soundscape evaluations. Here we present the comprehensive dataset for which 105 participants reported temporally (rather) stable trait variables such as noise sensitivity, trait affect, and quality of life. They rated 6.594 situations regarding the soundscape standard dimensions, perceived loudness, and the saliency of its sound components and evaluated situational variables such as state affect, perceived control, activity, and location. To complement these subject‐centered data, we additionally crowdsourced object‐centered data by having participants make binaural measurements of each indoor soundscape at their homes using a low‐(self‐)noise recorder. These recordings were used to compute (psycho‐)acoustical indices such as the energetically averaged loudness level, the A‐weighted energetically averaged equivalent continuous sound pressure level, and the A‐weighted five‐percent exceedance level. This complex hierarchical data can be used to investigate time‐varying non‐auditory influences on sound perception and to develop soundscape indicators based on the binaural recordings to predict soundscape evaluations.
Magneto-hydrothermal triple-convection in a W-shaped porous cavity containing oxytactic bacteria
(2022)
Bioconvective heat and mass transport phenomena have recently been the subject of interest in diverse fields of applications pertaining to the motion of fluids and their thermophysical properties. The transport processes in a system involving triple convective phenomena, irregular geometry, and boundary conditions constitute a complex phenomenon. This work aims to explore the mixed thermo-bioconvection of magnetically susceptible fluid containing copper nanoparticles and oxytactic bacteria in a novel W-shaped porous cavity. The buoyant convention is generated due to the isothermal heating at the wavy bottom wall, whereas the mixed convection is induced due to the shearing motion of the top-cooled sliding wall. Furthermore, the bioconvection is induced due to the manifestation of oxytactic bacteria or organisms. The inclined sidewalls are insulated. The geometry is packed with water based Cu nanoparticle mixed porous structure, which is subjected to a magnetizing field acted horizontally. The complex transport equations are transformed into nondimensional forms, which are then computed using the finite volume-based developed code. The coupled triple-convective flow physics are explored for a wide range of involved controlling parameters, which could provide helpful insight to the system designer for its proper operation. The shape of geometry can be considered one of the important parameters to control the heat and mass transport phenomena. In general, the influence of amplitude (δ) is more compared to the waviness number (m) of the undulations. The magnitude of heat (Nu) and mass (Sh) transfer rate for the W-shaped cavity is high compared to conventional square and trapezoidal-shaped cavities. The output of the analysis could be very helpful for the designer for modeling devices operating on nanotechnology-based bioconvection, microbial fuel cells, and others.
Jugendsozialarbeit
(2022)
"Doing Space and Ethnography":v Ethnographische Verfahren in der sportbezogenen Raumforschung
(2010)
Großstadt-Surfen in München - Der Film »Keep Surfing« illustriert den Strukturwandel des Sports
(2011)
Die höhere Schule. Eine Woche auf Südtiroler Bergbauernhöfen (Erfahrungsbericht HeisenBergBauern)
(2012)
Preface
(2018)
Skateboard Studies
(2018)
Skateboarding is not immediately associated with university research projects. It is first and foremost a physical activity, and no scholarly approach can substitute for the empirical knowledge gained through the act of skateboarding itself - the movement of the body with and on a skateboard. Nevertheless, the theoretical implications of this movement and its spatial, cultural, and social settings are ripe for exploration within a number of different academic disciplines. The publication provides a comprehensive insight into these discourses. Since skateboarding can influence and touch upon so many aspects of our everyday life through its unique appropriation of and relation to the urban environment, the theoretical reflections and discursive explorations it triggers can alter the way we think and move.
Großstadt-Gärtnern Urban Gardening zwischen Subsistenz, urbaner Agrikultur und kreativer Stadtpraxis
(2016)
Gemäß § 37a des Gesetzes über die Hochschulen des Landes Nordrhein-Westfalen (Hochschulgesetz – HG) vom 16.09.2014 (GV. NRW. S. 547) in der aktuell gültigen Fassung hat das Präsidium im Einvernehmen mit der jeweiligen Dekanin bzw. dem jeweiligen Dekan die folgenden Gleichstellungsquoten (Gender-Diversity-Faktor; § 3 Berufungsordnung vom 04.10.2016) für die Dauer von drei Jahren ab dem 01.01.2023 festgesetzt:
Technikberatung stellt eine neue soziale Dienstleistung dar, die angesichts der steigenden Potenziale assistiver digitaler Technologien an Relevanz gewinnt. Der Bericht befasst sich mit der Bestimmung von Anforderungen an professionelle Technikberatung als integriertem Baustein der Wohnberatung in Nordrhein-Westfalen (Deutschland). Das methodische Vorgehen beruht auf 20 Expert*inneninterviews. Die Befragten repräsentieren verschiedene Handlungsfelder, u. a. Wohn- und Technikberatung, Technikentwicklung, Wohnungswirtschaft, Wissenschaft, Kommunalpolitik, Pflegekassen usw. Die Ergebnisse führten zur Bildung von drei Kernthemen: Anforderungen an professionelle Technikberatung, Rahmenbedingungen und Aufgaben von Technikberatung auf institutioneller und gesamtgesellschaftlicher Ebene sowie Erwartungen an Politik, Wissenschaft und andere Akteure. Zusammenfassend betrachtet zeigt sich, dass Technikberatung neue Kompetenzen benötigt, deren Vermittlung auf Dauer, z. B. durch spezifische Schulungen, institutionalisiert werden muss. Die Integration von Technikberatung in die Wohnberatung erweitert zudem ihre Aufgaben, ihren Beratungsanspruch und erfordert den Aufbau neuer Kooperationen. Ihr Erfolg ist von einer Reihe förderlicher Rahmenbedingungen abhängig, z. B. politischer, ökonomischer, qualifikatorischer und ideeller Art. Eine Transformation aller sozialen Beratungsleistungen kann jedoch nicht allein aus der Perspektive der Wohnberatung vorangetrieben werden, sondern muss alle Beratungsstrukturen im kommunalen Raum berücksichtigen.
Gesellschaftliche und ökologische Entwicklungen haben gezeigt: Unternehmen brauchen stärker denn je eine kritische Auseinandersetzung mit ihrer Daseinsberechtigung. In diesen Zusammenhangwerden die Stimmen nach der Notwendigkeit eines unternehmerischen Purpose immer lauter. Dieser zählt bereits seit einigen Jahren zu den bekanntesten Management- und Marketing-Trendthemen. Jedoch scheint die Auffassung dessen, was ein Unternehmens-Purpose ist, in der Literatur und den theoretischen Überlegungen der Beratungen nicht eindeutig. Ebenso unklar ist, welche Rolle der Purpose innerhalb des Marketings einnimmt und wie dieser dort zum Ausdruck kommt. So stellt sich die kritische Frage, ob der Purpose lediglich der bestmöglichen werbewirksamen Positionierung im Sinne kommunikationspolitischer Maßnahmen dient und somit Gefahr läuft, sich in die Reihe der Marketing-Buzzwords einzureihen. Für die Beantwortung dieser Frage gilt es, die unternehmerische Marketingpraxis zu untersuchen. Somit hat sich dieser Beitrag zum Ziel gesetzt, die Auffassung, Eingliederung und Umsetzung des Purpose im Marketing anhand einer qualitativen Forschung zu untersuchen. Die Forschungsergebnisse wurden in Form einer Untersuchung des Zusammenhangs zwischen Literatur und Praxis dargestellt. Um die Relevanz und Implikationen des Purpose im Hinblick auf das Marketing hinreichend untersuchen zu können, wurde der Purpose in einem ersten Schritt aus wissenschaftlicher Sicht beleuchtet und hinsichtlich verwandter Begrifflichkeiten abgegrenzt. Die Untersuchung zeigt die unterschiedlichen Schwerpunkte in den Auffassungen dessen, was den Purpose ausmacht. Darüber hinaus wird deutlich, dass der Purpose durchaus in der Marketingpraxis relevant ist und dabei deutlich über die Umsetzung in kommunikationspolitischen Maßnahmen hinausgeht. Hierbei spielt die Authentizität eine tragende Rolle. Um diese zu gewährleisten, ist eine ganzheitliche Betrachtung und Umsetzung innerhalb des Marketings notwendig.
In order to determine demand as precisely as possible, many businesses use several forecasting methods. The aim of forecasting is to determine future demand based on data from the past. The use of a specific method is not always easy and depends on a number of factors. To help prospective engineers find the most suitable forecasting method for a specific problem, a forecasting game was developed and then evaluated.
The paper describes the design and the evaluation of the forecasting game. In order to provide an overview of existing forecasting methods, the first part of the paper examined the mathematical fundamentals of eight different forecasting methods and outlined the requirements for their application.
The second part of the paper describes the creation of a forecasting game in which prospective engineers can learn how to determine the appropriate forecasting method for specific scenarios. In total, five scenarios covering the three different demand patterns (linear/stationary, trend and seasonal) as well as the forecast quality methods were developed and can be played through. For each scenario, the player has to choose the most appropriate forecasting method for a specific problem based on a self-created task description. To make the game as realistic as possible, a fictional company with a background story was designed.
The last part was about the evaluation of the forecasting game. For the evaluation, a student survey to gather the opinions of the students was conducted. The results of the student survey show an overall positive evaluation of the simulation game by the students. However, the test also showed that the game takes a certain amount of time. Since only 15 of the approximately 30 students who tested the game participated in the evaluation, the results are not significant.
Building context-aware applications is an already widely researched topic. It is our belief that context awareness has the potential to supplement the Internet of Things, when a suitable methodology including supporting tools will ease the development of context-aware applications. We believe that a meta-model based approach can be key to achieving this goal. In this paper, we present our meta-model based methodology, which allows us to define and build application-specific context models and the integration of sensor data without any programming. We describe how that methodology is applied with the implementation of a relatively simple context-aware COVID-safe navigation app. The outcome showed that programmers with no experience in context-awareness were able to understand the concepts easily and were able to effectively use it after receiving a short training. Therefore, context-awareness is able to be implemented within a short amount of time. We conclude that this can also be the case for the development of other context-aware applications, which have the same context-awareness characteristics. We have also identified further optimization potential, which we will discuss at the conclusion of this article.
Music-related decision-making encompasses a wide range of behaviours including those associated with listening choices, composition and performance, and decisions involving music education and therapy. Although research programmes in psychology and economics have contributed to an improved understanding of music-related behaviour, historically, these disciplines have been unconnected. Recently, however, researchers have begun to bridge this gap by employing tools from behavioural economics. This article contributes to the literature by providing a discussion about the benefits of using behavioural economics in music-decision research. We achieve this in two ways. First, through a systematic review, we identify the current state of the literature within four key areas of behavioural economics-heuristics and biases, social decision-making, behavioural time preferences, and dual-process theory. Second, taking findings of the literature as a starting point, we demonstrate how behavioural economics can inform future research. Based on this, we propose the Behavioural Economics of Music (BEM), an integrated research programme that aims to break new ground by stimulating interdisciplinary research in the intersection between music, psychology, and economics.
Aufgrund des § 2 Absatz 4 Satz 1 und des § 29 Absatz 1 Satz 2 i.V. mit § 16 Absatz 1 Satz 2 sowie des Gesetzes über die Hochschulen des Landes Nordrhein-Westfalen (Hochschulgesetz HG) vom 16.09.2014 (GV. NRW. S. 547) in der aktuell gültigen Fassung hat die Hochschule Düsseldorf die folgende Satzung erlassen:
869 - Gründungsurkunde
(2022)