نتایج جستجو برای: working fluid
تعداد نتایج: 419299 فیلتر نتایج به سال:
Analysis of Surface Roughness and Material Removal Rate in Dry and Cryogenic Machining of En31 Steel
Production rates play important role in the turnover of any industry. In order to increase the production rates, industrial processes are need to be speedup by speeding input parameters such as cutting speeds, feed rates etc. But with the higher speeds and feeds the heat generation also increases between tool-chip, tool and work piece interfaces, which reduce the tool life, product quality and ...
J. Su, H. H. Kitzler, M. Zeineh, C. Harper-Little, A. Leung, M. Kremenchutzky, S. C. Deoni, and B. K. Rutt Department of Radiology, Stanford University, Stanford, CA, United States, Department of Neuroradiology, Technische Universitaet Dresden, Dresden, Germany, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada, Department of Diagnostic Radiology and Nuclear Med...
In this paper, winding function method (WFM), applied to a faulted synchronous generator, is modified and is used for online diagnosis of mixed eccentricity fault. For the first time, the static and mixed eccentricities are modeled in synchronous generators. A modified winding function (MWF) method introduced here is more precise compared with previous methods. This MWF enables to compute the a...
11 12 The biological treatment of spent synthetic metalworking fluid (MWF) has been investigated in many studies, 13 with most reporting the presence of un-degraded components in the residual waste. In this study, we 14 investigated a hybrid approach to waste treatment of spent MWF, involving both physical treatment and 15 microbial degradation. The effect on biological degradation, of the remo...
Objective Stuttering is one of the most common speech disorders that generate many complications in children and adults. This disorder involves behavioral, cognitive and emotional interactions. So, the purpose of the current study is to investigate the cognitive functions of students with stuttering. Materials & Methods A descriptive study, comprising of 30 students (8 females and 22 males) fr...
UNLABELLED Enhancing cognitive ability is an attractive concept, particularly for middle-aged adults interested in maintaining cognitive functioning and preventing age-related declines. Computerized working memory training has been investigated as a safe method of cognitive enhancement in younger and older adults, although few studies have considered the potential impact of working memory train...
The present work evaluates the performance of solar collector using Al2O3-C2H6O2-H2O nanofluid as a working fluid through both experimental and CFD analysis. Ethylene-glycol water mixture (40:60 v/v) is used as base fluid, where α-Al2O3 nanoparticle of 20 nm average size is dispersed for the preparation of nanofluid of four different volumetric concentration (vol. conc.) of 0.05, 0.075, 0.1 and...
Individual differences in working memory account for a substantial portion of individual differences in complex cognitive processes (e.g., comprehension) and fluid intelligence. However, a large portion of the variance in fluid intelligence and comprehension is unexplained. The current investigation was conducted to evaluate whether individual differences in the facilitation of procedural memor...
PURPOSE To improve the mapping of myelin water fraction (MWF) despite the presence of measurement noise, and to increase the visibility of fine structures in MWF maps. MATERIALS AND METHODS An anisotropic diffusion filter (ADF) was effectively combined with a spatially regularized nonnegative least squares algorithm (srNNLS) for robust MWF mapping. Synthetic data simulations were performed to...
An extensive literature review of published metalworking fluid (MWF) aerosol measurement data was conducted to identify the major determinants that may affect exposure to aerosol fractions (total or inhalable, thoracic and respirable) and mass median diameters (MMDs). The identification of determinants was conducted through published studies and analysis of published measurement levels. For the...
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