### ELM-resolved divertor erosion in the JET ITER-Like Wall

Jan 15 2016 · ITER will feature a full tungsten (W) divertor and a beryllium wall cladding .This combination of a low-Z material for the main wall and a refractory metal for the divertor is selected to give a large operational flexibility as well as the capability to handle the large heat and particle fluxes to the divertor.In order to provide an integrated demonstration of the impact of this material

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Jan 01 2003 · In the problem of inverse determination of the inner surface of the refractory wall in smelters this means that both temperature T o and normal temperature derivatives (dT/dn) o should be provided on the external surface of the refractory wall.

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The inverse determination of the melt-refractory interface shape can be achieved by utilizing this algorithm and any available analysis software for temperature field in the refractory wall.

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Inverse Determination of Eroded Smelter Wall Thickness Variation Using an Elastic Membrane Concept a melt and a refractory material wall in smelter furnaces. shape. The entire wall shape

Get Price### Inverse Determination of Eroded Smelter Wall Thickness

Dec 17 2008 · The inverse determination of the melt-refractory interface shape can be achieved by utilizing this algorithm and any available analysis software for temperature field in the refractory wall. The initial guess of the wall inner shape can be significantly different from the final (unknown) wall shape.

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The CFD model using Fluent as CFD package was then used to evaluate the efficiency of the new design and determine the effect of the tap block on the matte flow as well as the effect of the matte flow on the refractory and copper units of the tap block. The tap rate is also of critical importance as it becomes difficult to close the tap

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The erosion density in the area between the cylindrical to conical body area in comparison to other parts of the hydrocyclone also increased considerably. Moreover it was observed that an increase in the particle shape factor from 0.1 to 1.0 leads to a decrease of almost 70 in the average erosion density of the hydrocyclone wall surfaces.

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Inverse Determination of Eroded Smelter Wall Thickness Variation Using an Elastic Membrane Concept wall shape. The entire wall shape determination procedure requires typically 5–15

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temperatures the calculated inverse photon-efficiency D/XB is in good agreement with the observed values whereas it decreases faster with deceasing temperature up to 5 eV and then increases with a further decrease of temperature. Keywords plasma wall interaction tritium inventory hydrocarbon redeposition ethane D/XB JT-60U. 1. Introduction

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A number of piping components in the secondary system of nuclear power plants are exposed to aging mechanisms such as FAC (Flow-Accelerated Corrosion) cavitation flashing SPE (Solid Particle Erosion) LDIE (Liquid Droplet Impingement Erosion) etc. Those mechanisms may lead to thinning leak or rupture of the components. Due to the pipe ruptures caused by wall thinning in Surry unit 2 of

Get Price### Boundary Identification for a Blast Furnace SpringerLink

Sep 13 2007 · In this paper the authors discuss an inverse boundary problem for the axi-symmetric steady-state heat equation which arises in monitoring the boundary corrosion for the blast-furnace. Measure temperature at some locations are used to identify the shape of the corrosion boundary. The numerical inversion is complicated and consuming since the wear-line varies during the process and

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The threshold selection using histogram allows to segment the slag from the liquid metal. After that the binary large objects (blobs) are removed using mathematical morphology (MM) in this case the erosion. The resulting objects are features from slag that allow retrieval of the shape of the liquid metal.

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May 17 2012 · Inverse Determination of Smelter wall Erosion Shapes Using a Fourier Series Method Inverse Design Method for Designing Isolated and Wing-Mounted Engine Nacelles Roland Wilhelm

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Daniel Baker George S. Dulikravich Brian H. Dennis Thomas J. Martin Inverse Determination of Eroded Smelter Wall Thickness Variation Using an Elastic Membrane Concept Journal of Heat Transfer 10.1115/1. 132 5 (052101) (2010).

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Jan 15 2016 · ITER will feature a full tungsten (W) divertor and a beryllium wall cladding .This combination of a low-Z material for the main wall and a refractory metal for the divertor is selected to give a large operational flexibility as well as the capability to handle the large heat and particle fluxes to the divertor.In order to provide an integrated demonstration of the impact of this material

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Synthetic-aperture radar (SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects such as landscapes. SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional beam-scanning radars. SAR is typically mounted on a moving platform such as an aircraft or spacecraft and has its

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May 22 2019 · High-Z wall material such as tungsten (W) is an important candidate plasma-facing material in future fusion reactors.Low erosion rates are expected for the high-Z walls due to their high melting points low sputtering yields and prompt re-deposition tendencies.However substantial erosion of the high-Z walls is expected during transient heat loads in edge localized modes (ELMs) and

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Inverse Determination of Smelter wall Erosion Shapes Using a Fourier Series Method Daniel P. Baker G. Dulikravich T. Martin B. H. Dennis Materials Science

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The use of any sensors imbedded in the inner surface of the wall is unacceptable because the strong melt velocity field would wash such sensors away very quickly. Therefore determination of the thickness distribution of the refractory wall should utilize non-destructive measurement techniques and inverse shape determination concepts.

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1992) but the effects of sediment shape and rough-ness are not considered. Many equations are valid only for speciﬁc ranges of sediment size and den-sity(Guyet al.2009a).Agarwal(1989) demonstrated an inverse relationship between transport capacity and particle size for three materials with d 50 ranging from approximately 0.015 to 0.75 mm

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Aug 23 2016 · The paper presents an application of the semi-analytical method called the non-continuous Trefftz method to the calculation of the heat transfer coefficients. It is very effective method for solving direct and inverse problems. The results obtained by this method are consistent with the results obtained by using complicated methods the FEM and Beck method.

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For a shape which can be divided into cylindrical or cubic zones tabulated and graphical data on exchange areas are available however insufficient data exist for subdivision into rectangular zones. Inverse Determination of Eroded Smelter Wall Thickness Variation Using an Elastic Membrane Concept. J. Heat Transfer (May 2010)

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The inverse determination of the melt-refractory interface shape can be achieved by utilizing this algorithm and any available analysis software for the temperature field in the refractory wall. The initial guess of the inner shape of the wall can be significantly different from the final (unknown) wall shape.

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CiteSeerXDocument Details (Isaac Councill Lee Giles Pradeep Teregowda) A novel algorithm has been developed for the nondestructive determination of the shape of the interface between a melt and a refractory material wall in smelter furnaces. This method uses measurements of temperature and heat flux at a number of points on the outer surface of the furnace and assumes that the inner

Get Price### Inverse Determination of Eroded Smelter Wall Thickness

Mar 04 2010 · Inverse Determination of Smelter Wall Erosion Shapes Using a Fourier Series Method Proceedings of the International Symposium on Inverse Problems in Engineering Mechanics—ISIP 03 Nagano Japan Feb. 18–21.

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Notations used in the above equation are given in Fig. 18.6. S is a coefficient known as shape factor Values of S are determined using electric analogue experiments. Fig. 18.7 shows the value of S/a for different values of L/a. 3. Cylinder Permeameter Method

Get Price### Computation of the erosion in the hearth of a blast

Daniel Baker George S. Dulikravich Brian H. Dennis Thomas J. Martin Inverse Determination of Eroded Smelter Wall Thickness Variation Using an Elastic Membrane Concept Journal of Heat Transfer 10.1115/1. 132 5 (052101) (2010).

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Dec 13 2016 · In this study we investigated the influence of heavy metals (HM) on total soil bacterial population and its diversity pattern from 10 km distance of a Zinc smelter in Feng County Qinling

Get Price### CiteSeerX — Inverse Determination of Eroded Smelter Wall

CiteSeerXDocument Details (Isaac Councill Lee Giles Pradeep Teregowda) A novel algorithm has been developed for the nondestructive determination of the shape of the interface between a melt and a refractory material wall in smelter furnaces. This method uses measurements of temperature and heat flux at a number of points on the outer surface of the furnace and assumes that the inner

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