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Showing 1 to 20 of 42 for “"liquid metals"”.
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Vapour Films on Liquid Metals
… resulting from the interaction of molten metals with water have been violent enough to cause loss of life. Widespread research has been initiated to study the cause of these explosions. In this work, vapour films are examined to provide information relevant to vapour explosion phenomena. …
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Volumetric Behavior of Liquid Metals and Alloys (Density)
… and the interatomic distance is presented for liquid metals. The significance of the excess volume of mixtures is discussed, and the importance of thermodynamic modelling including excess volumes is stressed.
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A theory of the electrical resistivity of liquid metals
… for the calculation of electron scatter~ng in metals is proposed and developed. The method is considered valid both for crystals, at temperatures well above the Debye temperature, and for liquids, at temperatures well below the critical point. It is based on the use of ~ero-order wave functions …
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Multi-physics modelling of liquid metals in Advanced Nuclear Systems
L'abstract è presente nell'allegato / the abstract is in the attachment
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Liquid Metals as Process Solvents: Design Techniques for Magnesium-Oxidereduction
Made available in DSpace on 2014-12-13T18:55:38Z (GMT). No. of bitstreams: 1 7811244.pdf: 5803122 bytes, checksum: c172ad2155ca988be1a731f04360c6f7 (MD5) Previous issue date: 1978
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On the Mechanism of Turbulent Heat Transfer of Liquid Metals Flowing in Circular Conduits
Made available in DSpace on 2014-12-05T19:15:55Z (GMT). No. of bitstreams: 1 5902000.pdf: 4767340 bytes, checksum: 00746cc742b32faeead7052f5d80a92b (MD5) Previous issue date: 1959
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Free surface flow and application to the filling and solidification of liquid metals into vessels of arbitrary shape
… a conserved scalar variable to represent the liquid, with an adaptation of the van Leer TVD scheme to define the instantaneous position of the interface. It is similar to the approach used by the well known Volume Of Fluid (VOF) method. However, the SEA technique deals with both air and liquid …
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Heat transfer to liquid metals, with observations on the effect of super-imposed free convection in turbulent flow
… of the different theories of heat transfer to liquid metals requires values of the ratio of eddy diffusivities of heat and momentum, which may be obtained from temperature and velocity profiles measured in the flowing liquid metal. Temperature profiles have been reported by a number of workers, …
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IN-SITU ADDITIVE MANUFACTURING OF METALS FOR EMBEDDING PARTS COMPATIBLE WITH LIQUID METALS TO ENHANCE THERMAL PERFORMANCE OF AVIONICS FOR SPACECRAFT
… materials, such as low-melting eutectic liquid metal (LM) alloys and synthetics ceramics offer new opportunities for thermal cooling systems. Therefore, there has been an opportunity for adapting in-situ AM to overcome limitations of traditional manufacturing in thermal application, where …
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Spiral tube heat exchanger for liquid metal
… of a heat transfer conversion system utilizing liquid metals has been the object of the investigations with which I have been associated on my present duty with the General Electric Company, Schenectady, New York. The major problems involved have been the design of the components of the system. …
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Three-Dimensional Analysis of Boundary Layers in Magnetohydrodynamic Open Channel Flow
The pumping of liquid metals through open channels by MHD effects can be applied to slag separation or continuous casting processes by the metallurgy industry. This study involves the analysis of the boundary layer structure of non-uniform open channel flow in a rectangular channel, with perfectly …
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Thermophysical and Thermochemical Property Measurement and Prediction of Liquid Metal Titanium Alloys with Applications in Additive Manufacturing
… thermophysical property data for liquid metals and alloys are important for simulation of laser-based 3D printing processes. To understand and better control such additive manufacturing processes, knowledge of density, viscosity, and surface tension of liquid metals and alloys …
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Ultrasonic Pyrometer for Industrial Applications
… various gaseous environments above 1000°C and in liquid metals. It is based on the temperature dependence of the velocity of sound in solid materials. A resonance technique is used to measure the frequency of a sensor and hence the sound velocity. The pyrometer can be described in three parts; the …
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Improving heat capture for power generation in coal gasification plants
… fluid with high thermal conductivity, such as a liquid metal, can be used and heated to high temperatures (~700°C). Liquid metals can then act as an intermediate heat transfer medium, absorbing heat from high temperature syngas and rejecting it to steam at temperatures in excess of 500°C. The use …
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An electrochemical investigation of the chemical diffusivity in liquid metal alloys
The liquid metal battery has been shown to be a viable candidate for grid-scale energy storage, due to its fast kinetics and ability to be constructed from economically feasible materials. Various of the liquid metal couples that form high stable voltages, such as the calcium chemistries, are rate …
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ΜΕΛΕΤΗ ΤΩΝ ΕΠΙΦΑΝΕΙΑΚΩΝ ΚΑΙ ΔΙΕΠΙΦΑΝΕΙΑΚΩΝ ΙΔΙΟΤΗΤΩΝ ΤΗΣ ΣΤΑΘΕΡΟΠΟΙΗΜΕΝΗΣ ΖΙΡΚΟΝΙΑΣ ΚΑΙ ΣΥΣΤΗΜΑΤΩΝ ΖΙΡΚΟΝΙΑΣ ΣΕ ΕΠΑΦΗ ΜΕ ΡΕΥΣΤΑ ΜΕΤΑΛΛΑ
… NI, CO SYSTEMS. THE RESULTS INDICATED THAT THE LIQUID METALS DO NOT WET THEZRO2(U>90 ). THE INTERFACIAL ENERGIES IN ALL THE INVESTIGATED SYSTEMS VARY IN A RESTRICTED REGION ABOUT THE MELTING POINT OF THE METALS. THE MEAN VALUE IS GIVEN AS ΓSL=1.616 Z.M-2. SURFACE-DIFFUSION COEFFICIENTS AND …
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The Electrical Impedance Responses of Protective Oxide Scales on Stainless Steels That Are Immersed in Molten Lead-Bismuth-Eutectic Alloy at Temperatures Up to 600°C
… making impedance measurements in LBE and other liquid metals; the technique could be used in the future for further scientific investigations of oxidation in LBE and for engineering applications of in situ monitoring of the oxidation.
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