180,723 research outputs found

    Customized turbulent flow fields

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    A new approach is shown, which describes the interaction between an active grid excitation and a wind tunnel flow. With this approach we are able to find an excitation for the grid which reproduces an any turbulent flow field. Thereby we can bring free field measurements inside the wind tunnel. The presentation will show how the approach works and comparisons between reference data sets (outside measurements by ultrasonic anemometer) and wind tunnel flow fields generated by an active grid

    Author inscription in Poems

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    This edition includes an author's inscription, "with the regards of J.T. Fields."Fields, James Thomas, 1817-1881

    Least squares estimation of regression coefficients of singular random fields observed on a sphere

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    We present some results on the rate of convergence to the normal law of the least square estimates of the regression coefficient of random fields with long range dependence observed on a sphere

    Howard Fields.

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    Digital ImagePresident of H. J. Fields & Co; member of Board of Directors at the Leo Baeck Institute.Record added to DigiTool. Aleph record suppressed. J. Palmisano 09/15/2010

    Filtration Fields

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    Background In the international field of architectural design, sensing and tracking technologies are under-utilised in the creation of designerly, atmospheric environments, and are applied in the moderation of environmental comfort factors such as temperature, light and airflow. Research into new forms of intelligent architecture identify the theoretical importance of sensing and tracking technologies in the design of atmospheres and aesthetic spatial experience, but are limited without practical implementation of such systems. Contribution Filtration Fields is a field of computer vision tracking cameras, sensors and mobile device tracking systems that observe a public courtyard space over the period of 3 weeks, and distil underlying patterns of motion, directionality, contrast, light, and presence into an informative visualisation in situ. Filtration Fields contributes to existing speculative research by providing a concrete example of how sensor and vision tracking might be utilised in the design of environments that seek to inform inhabitants of the cumulative importance of their behaviours in the context of generating atmospheric, aesthetic live architectural environments. Significance The use of vision tracking in a cumulative and networked manner to develop live informational models of an existing architectural environment is new in the domain of architecture. Filtration Fields is significant because it transfers this visually-capture information into a design material in itself, therefore extending the use of sensing/tracking to the creation of atmospheric spaces. Filtration Fields was selected for exhibition in the DAB LAB Gallery curated by Aanya Roennfeldt and its value is demonstrated by its invitation to be implemented at city-scale by the New South Wales Department of Planning during the period of the Smart Light Sydney festival in 2009 (entitled Smart Light Fields)

    The natural operators lifting vector fields to (J\sp rT\sp *)\sp *

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    summary:For integers r2r\ge 2 and n2n\ge 2 a complete classification of all natural operators A:TMnT(JrT)A:T_{\vert M_n}\rightsquigarrow T(J^rT^*)^* lifting vector fields to vector fields on the natural bundle (JrT)(J^rT^*)^* dual to rr-jet prolongation JrTJ^rT^* of the cotangent bundle over nn-manifolds is given

    Measuring industry-science links through inventor-author relations: A profiling method

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    In this pilot study we examine the performance of text-based profiling in recovering a set of validated inventor-author links. In a first step we match patents and publications solely based on their similarity in content. Next, we compare inventor and author names on the highest ranked matches for the occurrence of name matches. Finally, we compare these candidate matches with the names listed in a validated set of inventor-author names. Our text-based profile methodology performs significantly better than a random matching of patents and publications, suggesting that text-based profiling is a valuable complementary tool to the name searches used in previous studies.innovation; industry-science links; text-based profiling;

    England Calling: A Narratological Exploration of Martin Amis’s 'London Fields'

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    This paper will explore connections between fictional narrative methodology and contemporary conceptions of Englishness by applying aspects of Gerald Prince’s (2005) conceptions of a ‘postcolonial narratology’ to Martin Amis’s “London Fields” (1989). Amis has commented that ‘it’s almost an act of will on my part trying not to be an English writer’. However, this paper will suggest that the novel under consideration here exhibits methodological tendencies which have their roots in a protracted engagement with problematic notions of English identity (principally, instability and disengagement) and that postcolonial approaches to narrative technique can lead to very interesting results, even when applied to the work of writers not typically identified with such constituencies. The central point of investigation will be the novel’s exhibition of metafictional tendencies. In “London Fields”, Amis narrates via an authorial surrogate, Samson Young, who purports to be the author of the text, yet becomes implicated in the events of the novel to the point where his actions, rather than his imagination, determine its outcome. It is interesting also in this connection that the novel is voiced by an ‘outsider’ to England, an American. Prince is intrigued by the possibility that a postcolonial narrative discourse might emerge ‘free of any narratorial introduction, mediation, or patronage.’ He also points to the significance of narratological features such as hybridity, migrancy, otherness, fragmentation, diversity and power relations. Amis’s novel exhibits all of these features, and takes the ambition of authorial invisibility to a paradoxical extreme. Voices, characters, reliability and even actantial events are brusquely ‘disowned’ by the author, resulting in a textual instability and uncertainty which, it will be demonstrated through close textual analysis, is intimately linked to England’s postcolonial condition

    Nature of anger in the workplace: exploration of relevant variables and their structure

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    The author has granted permission for their work to be available to the general public.In the workplace, counter productive work behaviors (CWBs) are strongly discouraged. Vardi and Weitz (2004) concluded that counter productive work behaviors are a fairly common occurrence and cost businesses billions of dollars each year. Many of these CWBs are perpetrated by angry or disgruntled employees. When angry employees are identified they can be helped with coping strategies to productively manage their anger, as opposed to engaging in CWBs (Hargrave, Hiatt, Dannenbaum, & Shaffer, 2008). This paper seeks to better equip professionals and researchers with tools to identify these at risk employees. Specifically the Anger Parameters Scales (APS) and the Anger Expressions Scale (AES) have been examined in a workplace sample for the first time. Additionally this study has examined the use of more readily available demographic information to predict at risk persons. The expected factors of the measures in question did not emerge as predicted by the AES. The factor structure of the APS was partially validated as four of the five scales loaded well enough for further analysis. None of these scales could be captured by more available demographic variables. This study also gathered normative data on anger elicitors by means of coding narratives of participants who were asked to describe a typical anger provoking situation.Psycholog
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