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Phase Change Heat Transfer

Evaluation of Characteristics of Phase Change Heat Transfer in Ultrafine Cryoprobe

Evaluation of Characteristics of Phase Change Heat Transfer in Ultrafine Cryoprobe

... Boiling heat transfer of an impinging jet using liquid nitrogen was used as the heat transfer ...the heat transfer rate decreased owing to the large ratio of the surface area to ...

11

Visualization study on the instabilities of phase change heat transfer in a flat two phase closed thermosyphon

Visualization study on the instabilities of phase change heat transfer in a flat two phase closed thermosyphon

... the heat flux, the filling ratio and the inlet temperature of the cooling ...test heat flux is from ...the heat flux, filling ratio and cooling water temperature were investigated in detail for the ...

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Quasi-stationary phase change heat transfer on a fin

Quasi-stationary phase change heat transfer on a fin

... of heat that can be used for future purposes requires the installation of different kinds of ...the phase change ...peak heat or cool demand ...the heat exchanger needs to be designed ...

5

An Investigation of Heat Transfer in Single and Multiphase Systems

An Investigation of Heat Transfer in Single and Multiphase Systems

... during phase change have been investigated. The heat exchange within a single phase, many engineering technologies involve multiphase ...with phase change is the movement of ...

5

Numerical investigations of heat transfer in phase change materials using non equilibrium model

Numerical investigations of heat transfer in phase change materials using non equilibrium model

... non-equilibrium heat transfer model has been carried out to tackle the phase change heat transfer problem in PCMs embedded into metal ...better heat transfer ...

10

Basic Study on Solid-Liquid Phase Change Problem of Ice around Heat Transfer Tubes - Freezing Phenomenon and Prediction of Bridging Time around Two Elliptical Tubes -

Basic Study on Solid-Liquid Phase Change Problem of Ice around Heat Transfer Tubes - Freezing Phenomenon and Prediction of Bridging Time around Two Elliptical Tubes -

... Abstract:- Phase change heat transfer around heat transfer tubes is one of the basic problem of an ice heat storage ...of heat transfer tubes if continued ...

12

Heat Transfer Enhancement of Phase Change Materials (PCM) in Thermal Storage Device

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 ...

7

Review on microencapsulated phase change materials (MEPCMs) : fabrication, characterization and applications

Review on microencapsulated phase change materials (MEPCMs) : fabrication, characterization and applications

... local heat transfer data within the error of + 15 ...new heat transfer correlations for predicting the heat transfer behaviours of MPCS (Table 6 showed Physical Properties of ...

42

Heat transfer analysis for phase change materials (PCMs)

Heat transfer analysis for phase change materials (PCMs)

... The heat transfer enhancement for phase change materials (PCMs) has received much attention nowadays, since most of PCMs have low thermal conductivities which prolong the charging and ...

9

Phase change convective heat transfer in high porosity cellular metal foams

Phase change convective heat transfer in high porosity cellular metal foams

... a phase change problem which involves only latent heat, the phase change process is classified as a typical first-order phase transformation in Phase Field ...In ...

36

Thermal and rheological properties of microencapsulated phase change materials

Thermal and rheological properties of microencapsulated phase change materials

... specific heat of MPCS decrease with particle concentration for the temperatures below the melting ...microencapsulated phase change slurry, it is for sure that to have a better potential for energy ...

14

Heat transfer analysis of an integrated double skin façade and phase change material blind system

Heat transfer analysis of an integrated double skin façade and phase change material blind system

... the heat transfer in an integrated double skin facade (DSF) and phase change material (PCM) blind system has been theoretically ...Both heat transfer and airflow models with CFD ...

24

Using porous metals to enhance heat transfer in phase change materials (PCMs)

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 ...the heat transfer rate in PCMs was ...

7

Experimental investigation of grooved heat pipe using nanofluids

Experimental investigation of grooved heat pipe using nanofluids

... in heat pipes has more and more attention because of the heat pipes are operated with the phase change of working fluid to transport the heat energy from one end to another ...of ...

8

Fundamental issues, technology development and challenges of boiling heat transfer, critical heat flux and two phase flow phenomena with nanofluids

Fundamental issues, technology development and challenges of boiling heat transfer, critical heat flux and two phase flow phenomena with nanofluids

... boiling heat transfer and CHF phenomena in pool boiling with nanofluids have been extensively investigated over the past ...boiling heat transfer and CHF in pool ...no change in ...

140

Experimental Investigation of the Melting Behavior and the Transient Heat Transfer in a Phase Change Material (PCM)

Experimental Investigation of the Melting Behavior and the Transient Heat Transfer in a Phase Change Material (PCM)

... thermochemical heat storage [1]. Latent heat thermal energy storage (LHTES) systems that use phase change materials (PCMs) as the storage medium have proven to be a better engineering option ...

186

Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs)

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 ® ...finish phase change around t = 4000 s, and a good agreement between them has been ...of phase change ...

26

Numerical Modeling of Phase Change Material to Enhance Heat Transfer using Extended Surfaces

Numerical Modeling of Phase Change Material to Enhance Heat Transfer using Extended Surfaces

... ANSYS FLUENT 14.5 has been used to model the PCM inside a horizontal tube with and without fin, with more fins at bottom side and with more fins at upper side. The inner diameter of the tube is 38 mm and the outer ...

5

High temperature thermal energy storage : encapsulated phase change material particles : determination of thermal and mechanical properties

High temperature thermal energy storage : encapsulated phase change material particles : determination of thermal and mechanical properties

... (ii) Incorporating metal structures into the PCM has also been addressed as one of the thermal conductivity enhancement techniques by some researchers, who investigated metal structures made of steel or stainless steel ...

209

Dustproof cooling of the electrical box

Dustproof cooling of the electrical box

... the heat transfer by the phase change of the working fluid and experimental measuring its thermal performance at the cooling electrotechnical elements loaded by heat 1 200 W in the ...

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