[PDF] Top 20 Numerical investigations of heat transfer in phase change materials using non equilibrium model
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Numerical investigations of heat transfer in phase change materials using non equilibrium model
... a numerical investigation based on two-equation non-equilibrium heat transfer model has been carried out to tackle the phase change heat transfer ... See full document
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Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs)
... latent heat of fusion: 181 kJ/kg, according to the PCMs provider RUBITHERM ® ...between numerical results and experimental ...Both numerical results and experimental data show that PCMs begin to melt ... See full document
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A numerical investigation of heat transfer in phase change materials (PCMs) embedded in porous metals
... the equilibrium of forces, drag force should have a similar order of magnitude to buoyancy force, and therefore u should have an order of magnitude of 10 -5 ...on heat transfer enhancement during ... See full document
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Unsteady Numerical Investigations of Flow and Heat Transfer Characteristics of Nanofluids in a Confined Jet Using Two-Phase Mixture Model
... as non-Newtonian fluid for a wide range of Reynolds number and nanoparticles volume ...reported heat transfer increases for increase in solid volume fraction for any Reynolds ...and non- ... See full document
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Using porous metals to enhance heat transfer in phase change materials (PCMs)
... Abstract: Heat transfer enhancement mechanism of Phase Change Materials (PCMs) by high-porosity metal foams was investigated in this ...flow model was employed in the ... See full document
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Heat Transfer Enhancement of Phase Change Materials (PCM) in Thermal Storage Device
... solve phase change heat transfer ...modelling phase change problems, there are two main approaches: moving-mesh and fixed-mesh ...to change to track the solid/liquid ... See full document
7
Numerical Modeling of Phase Change Material to Enhance Heat Transfer using Extended Surfaces
... sensible heat thermal storage (STHS), latent heat thermal storage (LHTS) and thermo-chemical storage ...Latent heat thermal storage is used mainly because of certain advantages over the other two ... See full document
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Phase Transformations and Entropy of Non-Equilibrium Materials
... depending on the sample (ie magnetic and lattice vibrations). Sample geometry, thickness, and temperature can vary the amounts of these contributions. Scattering from additional components in the beam such as sample ... See full document
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← Return to Article Details Phase Change Materials and Selection Thereof for Heat Transfer Applications
... core materials for the application required is a time-consuming and exhausting process that needs to be ...[34], using CES Selector, an Engineering Materials Selection Program developed by ... See full document
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NUMERICAL INVESTIGATIONS ON HEAT TRANSFER AND FLOW STRUCTURE IN A CIRCULAR TUBE WITH VARIOUS SHAPES OF WINGLET VORTEX GENERATORS
... Figs. 8a, b and c illustrate the tangential velocity vectors in transverse planes at various x/D values for the RWVG, DWVG and CWVG at BR = 0.2, Re = 1000 and upstream case, respectively. The similar flow pattern as ... See full document
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Numerical Investigation of Heat Transfer of CuO Nanofluid Using Eulerian-Eulerian Two Phase Model
... two-phase model is considered to simulate the nanofluid flow inside the ...two-phase model of the CuO nanofluid shows higher heat transfer enhancement in comparison to pure ... See full document
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Microencapsulation of Butyl Stearate as Phase Change Material by Melamine Formaldehyde Shell for Thermal Energy Storage
... Fatty acids are included as one of the phase change materials. The advantages of these mate- rials are unified melting process, chemical stabil- ity and lack of intoxication, and inappropriate range ... See full document
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Behaviour of Thermodynamic Models with Phase Change Materials under Periodic Conditions
... According to the authors’ knowledge, our proposed approach to the study of lumped systems under periodic conditions is new because it is including some elements acting as energy storage systems. The storage is based on ... See full document
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Two phase numerical model for thermal conductivity and convective heat transfer in nanofluids
... convective heat transfer enhancement in ...convective heat transfer in nanofluids, Maiga et al. [17] performed numerical simu- lations using a single-phase Navier-Stokes ... See full document
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Effect of PCM in improving the thermal cooling comfort in buildings ceiling
... The method was divided into two parts the first one in modelling and the second part is experimenting. The first part was by modelling the PCM with other types of insulations in the ceiling with the consideration of ... See full document
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INFLUENCE OF RING SIZE AND LOCATION ON FLOW TOPOLOGY, HEAT TRANSFER STRUCTURE AND THERMAL EFFICIENCY IN HEAT EXCHANGER SQUARE CHANNEL PLACED WITH 30-DEGREE INCLINED SQUARE RING
... can change the heat transfer behavior. The change of the thermal boundary layer near the heat transfer surface is ...has change when changed the s/H ... See full document
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Enhancement of Thermal Conductivity of a PCM Based Energy Storage System
... based heat exchanger module by developing a mathematical model on apparent heat capacity formulation, in which the portion of the DSC curve (of the PCM) during the phase change period ... See full document
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INFLUENCES OF THE PUNCHED DELTA WINGLET VORTEX GENERATORS IN A CIRCULAR TUBE HEAT EXCHANGER ON THERMO-HYDRAULIC PERFORMANCE
... configuration, heat transfer behavior and thermal performance assessments and also compared with the smooth tube with no ...As numerical results, the use of PDWVG inserted in the tube can help to ... See full document
19
A REVIEW ON THERMAL ENERGY STORAGE USING PHASE CHANGE MATERIAL
... Ravikumar M., Srinivasan Dr.Pss[3],"Natural cooling of building using phase change material". Electrical energy consumption varies significantly during the day and night according to the ... See full document
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CFD INVESTIGATIONS OF THERMAL AND DYNAMIC BEHAVIORS IN A TUBULAR HEAT EXCHANGER WITH BUTTERFLY BAFFLES
... the heat transfer phenomenon in a square channel with different attack angles of ribs on two walls for the pitch ratio (P/e = 10) and the blockage ratio (e/D = ...the heat exchanger ...fin-tube ... See full document
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