305 research outputs found

    Pipe joints reinforced in place with fitted aluminum sleeves

    Get PDF
    Installation of an aluminum sleeve, using specially designed tools, reinforces solder- sealed ferrule joints in installed small-diameter aluminum tubing. Tubing joints reinforced by this method withstand considerable torsional tensional, and vibrational stresses at moderately elevated temperatures

    Lathe attachment used to machine elliptical cones

    Get PDF
    Close-tolerance elliptical cones are fabricated by cutting-tool guide assembly used with conventional tracer cartridge on turret lathe accurately produced in two machine operations

    Apparatus for machining geometric cones Patent

    Get PDF
    Rotary spindle lathe attachments for machining geometrical cone

    Curricular and Teaching Strategies that Increase Desire to Provide Culturally Competent Care in Baccalaureate Nursing Students: An Integrated Review

    Get PDF
    Cultural competence is a component of the 2008 Essentials of Baccalaureate Nursing Education. Nationally, graduation exit testing has found that students continue to score as culturally aware, rather than culturally competent. This twelve article review of research literature identified curricular approaches and teaching strategies that have been found to create a student\u27s desire to provide and demonstrate cultural competent in practice. Findings supported the continuance of a thread of culture content within all nursing theory and clinical courses through inclusion of local or international, live or simulated service-learning. To facilitate contemplation of their progression journey of cultural awareness to competence, students should maintain a cultural activities self-reflection journal at all levels to support graduates as they transition into their professional practice

    Stellarator Equilibrium by Low-Beta-Expansion

    Get PDF

    Reduced Aspect Ratio HELIAS Configurations

    Get PDF

    On Conventional and Modular Heliace

    Get PDF

    Magnetic field studies near separatrix

    Get PDF

    Dynamics of zonal flow-like structures in the edge of the TJ-II stellarator

    Full text link
    The dynamics of fluctuating electric field structures in the edge of the TJ-II stellarator, that display zonal flow-like traits, is studied. These structures have been shown to be global and affect particle transport dynamically [J.A. Alonso et al., Nucl. Fus. 52 063010 (2012)]. In this article we discuss possible drive (Reynolds stress) and damping (Neoclassical viscosity, geodesic transfer) mechanisms for the associated ExB velocity. We show that: (a) while the observed turbulence-driven forces can provide the necessary perpendicular acceleration, a causal relation could not be firmly established, possibly because of the locality of the Reynolds stress measurements, (b) the calculated neoclassical viscosity and damping times are comparable to the observed zonal flow relaxation times, and (c) although an accompanying density modulation is observed to be associated to the zonal flow, it is not consistent with the excitation of pressure side-bands, like those present in geodesic acoustic oscillations, caused by the compression of the ExB flow field

    Characteristics of main configurations of Wendelstein 7-X

    No full text
    For nine main magnetic configurations of Wendelstein 7-X the vacuum magnetic fields, Fourier coefficients, rotational transform profile, magnetic well, helical and effective helical ripple values are computed and results of modeling are available now for general use [1]. The influence of the shaping of the pressure profile on the plasma equilibrium and stability properties has been investigated for the Standard case, =4%. Simulation has shown that the edge region is almost independent of the pressure profile, while plasma properties inside the last closed magnetic surface (LCMS) are considerably changed
    corecore