نتایج جستجو برای: scale cable
تعداد نتایج: 588724 فیلتر نتایج به سال:
For testing large-scale cable-in-conduit conductors, several practical experimental techniques have been developed to specifically address the issues of conductor stability. The following described techniques enable experimentalists to quantify the effects and thus provide useful tools ro improve the conductor performapce in magnet applications. In this paper, we present two experimental techni...
A method for forecasting the outage frequency of cable sections including the influence of repair-joint increase is presented. Time series of joint numbers are processed by a computation procedure applying aging models for cable sections and joints. The methods were tested using data of a real-life medium voltage cable network. It could be shown that outage frequency of cable sections can be su...
-The paper deals with the stresses of cable insulations due to lightning induced overvoltages for the case of distribution networks composed by MV overhead lines and buried cables. We are here interested only in the conditional probability of the cable breakdown in absence of line flashovers, which means that flashovers along the overhead line are disregarded. We illustrate a procedure based on...
In this paper a novel dynamical model will be developed for an overhead crane with transverse vibrations of flexible cable while considering large angle of the cable/payload swing. The major problem addressed is expressing the dynamic interaction between the cables and other elements in the crane system which demands investigation into boundary induced cable vibrations and large swing angle. Th...
The response of a cable can be used to analyze the variation of the material characteristics along its length. For diagnosis of possible ageing, it is necessary to know how cable design, material properties and cable insulation ageing affects the wave propagation. A cable model has therefore been worked out based upon the high frequency properties of the cable insulation and conductor systems. ...
During transmembrane signaling by Escherichia coli Tsr, changes in ligand occupancy in the periplasmic serine-binding domain promote asymmetric motions in a four-helix transmembrane bundle. Piston displacements of the signaling TM2 helix in turn modulate the HAMP bundle on the cytoplasmic side of the membrane to control receptor output signals to the flagellar motors. A five-residue control cab...
Surgical methods for type II odontoid fracture can be classified into 2 main groups: anterior or posterior approach. A more effective way to achieve bone fusion with the lowest possible surgical risk is needed. Therefore, the aim of our study was to describe and evaluate a novel technique, cable-dragged reduction/cantilever beam internal fixation for the treatment of type II odontoid fracture.T...
Goddard Space Flight Center is conducting a search for space flight worthy fiber optic cable assemblies that will benefit all projects at all of the NASA centers. This paper is number two in a series of papers being issued as a result of this task to define and qualify space grade fiber optic cable assemblies. Though to qualify and use a fiber optic cable in space requires treatment of the cabl...
This paper will be a comparative analysis of those two leading data link layer protocols, Ethernet and ATM, which are currently being used in local cable systems worldwide. These two protocols will be evaluated to determine technical (network architecture), management (network management) and the financial costs (economics) of implementing each. Which protocol will emerge as the primary protoco...
In this paper, a three dimensional analysis is performed to investigate the static instability of long-span cable-stayed bridges due to wind loading. Cables made of carbon fiber composite cable (CFCC) are studied. Nonlinearity due to displacement-dependent wind loading is considered. A 1400meter cable-stayed bridge model is used to investigate the static behavior of bridges with both steel and ...
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