نتایج جستجو برای: Dielectric fluid

تعداد نتایج: 258572  

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
i. shivakoti g. kibria s. diyaley b. b. pradhan

correct selection of manufacturing condition is one of the most important aspects which should be considered in the majority of manufacturing processes,  particularly in the process related to advanced machining process like electrical discharge machining. in electrical discharge machining (edm), dielectric fluid plays an important role since machining characteristics are greatly influenced by ...

B. B. Pradhan G. Kibria I. Shivakoti S. Diyaley

Correct selection of manufacturing condition is one of the most important aspects which should be considered in the majority of manufacturing processes,  particularly in the process related to advanced machining process like electrical discharge machining. In electrical discharge machining (EDM), dielectric fluid plays an important role since machining characteristics are greatly influenced by ...

Electro Discharge Machining (EDM) is a noticeable machining practice among created unconventional machining procedures for intricate, complex profiles in "hard to machine" materials, similar to heat-treated steels, composites, superalloys, ceramics, composites, carbides, and so on. In EDM, the material expulsion of the cathode is accomplished through precise controlled electric discharge (the s...

2011
Gunawan Setia Prihandana Muslim Mahardika M. Hamdi Y. S. Wong Kimiyuki Mitsui

Micro-electric discharge machining (μ-EDM) is an important manufacturing process that is able to produce components and tools with micro-features. Improvement to this process has resulted in the use of powder mixed dielectric (PMD), which results in better surface quality and faster machining time. However, the presence of conductive powder in the dielectric fluid negatively affects the accurac...

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In this research, hydrodynamic behavior of a leaky dielectric droplet under an electric field is simulated. The level set method is used for interface tracking and the ghost fluid method is used for modeling discontinuous quantities at interface. Using Taylor’s leaky dielectric model, electric field and electric force at the interface is calculated. Simulation results show the droplet deformati...

Journal: :Physiological measurement 2006
A Allan Turner Albert Lozano-Nieto Marcel Bouffard

Generalizability theory was used to investigate the score consistency of observed extracellular fluid/intracellular fluid (ECF/ICF) ratio measurements for both the global and leg-segmental bio-impedance spectroscopy methods. The test instrument used was a Xitron Hydra ECF/ICF Bio-Impedance Analyzer System, model 4200 (Xitron Technologies, San Diego, CA). Fifty able-bodied American men (17 to 72...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2002
Nickolay M Zubarev

The nonlinear dynamics is studied for the free surface of an ideal dielectric fluid in an electric field. Self-similar solutions of electrohydrodynamic equations describing the formation of surface conic cusps are revealed. The behavior of physical quantities (field strength, fluid velocity, and surface curvature) near the singularity is established. The threshold value of the fluid dielectric ...

A Al-Khazraji S.A Amin S.M Ali,

The present paper deals with the design of experimental work matrices for two groups of experiments by using Response surface methodology (RSM). The first EDM group was dealt with the use of kerosene dielectric alone, while the second was treated by adding the graphite micro powders mixing to dielectric fluid (PMEDM). The total heat flux generated and fatigue lives after EDM and PMEDM models we...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
A Widom J Swain J Silverberg S Sivasubramanian Y N Srivastava

A water bridge refers to an experimental "flexible cable" made up of pure de-ionized water, which can hang across two supports maintained with a sufficiently large voltage difference. The resulting electric fields within the de-ionized water flexible cable maintain a tension that sustains the water against the downward force of gravity. A detailed calculation of the water bridge tension will be...

2006
G. P. MORRISS P. T. Cummings

We present Monte Carlo simulation results for the dielectric constant of the polar hard dumb-bell fluid. The Ewald sum technique is used to take account of the long range nature of the electrostatic interactions. The results for the dielectric constant are found to be sensitive to the choice of the dielectric constant of the continuum which surrounds the simulation sample. We include comparison...

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