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SOLIDIFICATION AND MELTING

Optimization of melting and solidification processes of PCM:Application to integrated collector storage solar water heaters (ICSSWH)

Optimization of melting and solidification processes of PCM:Application to integrated collector storage solar water heaters (ICSSWH)

... complete melting/solidification processes compared with the first configuration ...the melting/solidifications ...full solidification but partial melting ...complete ...

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Study of Various Aspects of Phase Change Material During Solidification and Melting : A Review

Study of Various Aspects of Phase Change Material During Solidification and Melting : A Review

... The merits and disadvantages of various numerical methods for phase change problems which occur in solidification and melting have been surveyed in this paper. The choice of the numerical method depends not ...

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Phase field study of surface-induced melting and solidification from a nanovoid: Effect of dimensionless width of void surface and void size

Phase field study of surface-induced melting and solidification from a nanovoid: Effect of dimensionless width of void surface and void size

... surface melting and the melting temperature strongly ...on melting, surface melting, and solidification are also ...The melting temperatures and surface melting ...

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Studying the Stability of Melting and Solidification Behavior of Phase Change Material

Studying the Stability of Melting and Solidification Behavior of Phase Change Material

... Experimental analysis of thermal properties of phase change material was conducted using DCS and TG apparatus. Moderate rang of temperature of phase change material was selected and experimentally investigated. ...

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Numerical Investigation of Bismuth Unloading Solidification with Abnormal Melting Characteristic

Numerical Investigation of Bismuth Unloading Solidification with Abnormal Melting Characteristic

... unloading solidification of bismuth by using a GDI due to bismuth abnormal melting characteristic, and try to find one possible approach to achieve the physical ...abnormal melting curve of the ...

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In Situ Observations of Solidification and Melting of Aluminum Alloy Using Ultrasonic Waveguide Sensor

In Situ Observations of Solidification and Melting of Aluminum Alloy Using Ultrasonic Waveguide Sensor

... 21.3% of the ultrasonic energy is reflected at the interface. Base on the preliminary result, monitoring of an interface during heating and cooling has been made. In the experiment, the distance from the probe end to the ...

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Melting and Solidification Heat Transfer Characteristics of a Phase Change Material in a Latent Heat Storage Vessel: Effects of a Perforated Partition Plate and Metal Fiber

Melting and Solidification Heat Transfer Characteristics of a Phase Change Material in a Latent Heat Storage Vessel: Effects of a Perforated Partition Plate and Metal Fiber

... In most latent heat storage systems, a multi-tube direct contact heat exchanger is used. A direct contact heat exchanger can exchange energy more rapidly than an indirect contact heat exchanger. A spray tower-type direct ...

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A Novel Directional Solidification of TiAl Based Alloys by Electromagnetic Cold Crucible Zone Melting Technology with Y2O3 Moulds

A Novel Directional Solidification of TiAl Based Alloys by Electromagnetic Cold Crucible Zone Melting Technology with Y2O3 Moulds

... Lightweight TiAl-based alloys are materials that could potentially be applied in high thrust-to-weight turbine engines in the form of either compressor blades or turbine blades. However, components manufactured from ...

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Experimental study on solar energy storage 
		in phase change materials using cylindrical shell type heat exchanger

Experimental study on solar energy storage in phase change materials using cylindrical shell type heat exchanger

... Akgun. M et al [22] in their study analyzed thermal energy storage performance of Paraffin in a novel tube-and-shell system. Three kinds of paraffin with different melting temperatures are used as PCMs. Water is ...

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Solidification of Nano Enhanced Phase Change Materials (NEPCM) in a Trapezoidal Cavity: A CFD Study

Solidification of Nano Enhanced Phase Change Materials (NEPCM) in a Trapezoidal Cavity: A CFD Study

... the solidification/melting process by natural convection heat transfer of NEPCM in a trapezoidal cavity has been undertaken ...of solidification by natural convection in water-Cu nanofluid filled in ...

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Rapid solidification morphologies in Ni3Ge: Spherulites, dendrites and dense-branched fractal structures

Rapid solidification morphologies in Ni3Ge: Spherulites, dendrites and dense-branched fractal structures

... The cooling rate for droplets produced during drop-tube processing is dependent principally upon the ratio of surface area to volume of the droplet. Consequently, a spray containing a wide range of particle sizes will ...

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Quality Improvement of Ductile Iron Casting by Thermal Analysis

Quality Improvement of Ductile Iron Casting by Thermal Analysis

... - Solidification of ductile Iron is complex & often leads to ...in melting, holding, treating and inoculating processes during the manufacturing of ductile iron impacts ductile iron ...during ...

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Characterisation of the solidification of a molten steel surface using infrared thermography

Characterisation of the solidification of a molten steel surface using infrared thermography

... Prior to testing, the CSLM was calibrated to ensure the melting temperatures recorded were accurate using standard size (2 mm × 2 mm × 2 mm) samples from four pure metals (Al, Au, Ni and Fe). Before the test, the ...

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Solidification and Structuresation of Instability Zones

Solidification and Structuresation of Instability Zones

... the melting temperature, whereas a nonequilibrium phase transition can be realized at different temperatures de- pending on the depth of penetration into metastable or labile ...

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A Study on Phase Change Material (PCM) For Insitu Solar Thermal Energy Collection and Storage

A Study on Phase Change Material (PCM) For Insitu Solar Thermal Energy Collection and Storage

... distributions, melting, solidification, characteristics were studied and it was found that paraffin takes shorter duration for the complete melting process when compared with the steric acid ...the ...

5

Realization of Photo-curing Gelatin Hydrogel using a Commercial Projector for Culturing Mesenchymal Cells

Realization of Photo-curing Gelatin Hydrogel using a Commercial Projector for Culturing Mesenchymal Cells

... The measurement using image analysis results that the width was found to be 0.534±0.32 mm, 0.659±0.64 mm, and 0.834±0.44 mm at gelatin concentrations of 2%, 5%, and 10%, respectively. It can be concluded that the width ...

6

Index Terms Ultrasound, Laser Welding, Microhardness,

Index Terms Ultrasound, Laser Welding, Microhardness,

... only melting and solidification of the plate) weld was found to be suitable for this investigation as the objective is to determine the effects of ultrasound on the hardness measured at different levels ...

5

The development of Viscous Material (Chocolate) 3D Printer/ Food 3D Printer

The development of Viscous Material (Chocolate) 3D Printer/ Food 3D Printer

... attain melting and freezing point temperatures, ease of melting, ease of solidification upon cooling or drying, viscosity lying between a suitable range allowing material to flow through nozzle when ...

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Melting and solidification models and thermal characteristics of microencapsulated phase change materials

Melting and solidification models and thermal characteristics of microencapsulated phase change materials

... the melting point of the ...a melting temperature range and a freezing temperature range, and sub-cooling clearly occurs on freezing ...the melting point denotes the peak value of the melting ...

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Effect Of Heat Transfer Fluid Flow Through A Cylindrical Containers With Phase Change Material In The Annular Region

Effect Of Heat Transfer Fluid Flow Through A Cylindrical Containers With Phase Change Material In The Annular Region

... Abstract—The main objective of the study is to propose thermal energy storage for medium temperature solar systems. The selection of TES is also concerned about the feasibility and effectiveness of the phase change ...

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