... arrangement. The developed model is then used to study the effects of the inner tube wall temperature, the initial temperature of the solid PCM, and the shape, as well as the position of the inner tube in the annulus on the melting characteristics, and cumulatively stored energy. Various quantities...

... is transferred to the heat sink through its horizontal base. In order to simulate the melting behavior of the PCM, volume of fluid model has been used. To attain the best configuration with optimum operational time, Taguchi method has been used followed by analysis of melt fraction and maximum base temperature...

...Ojas Satbhai; Subhransu Roy; Sudipto Ghosh In this work, numerical experiments were performed to compare the heat transfer and thermodynamic performance of melting process inside the square-shaped thermal energy storage system with three different heating configurations: an isothermal heating from...

... through serpentine, multi-pass microchannel-tube evaporator embedded in PCM slabs, and subsequent PCM melting over a full workday (∼9 h) by passing room air through narrow channels interposed between the parallel PCM/evaporator slabs. To provide 50–60 W of cooling during an entire workday, the PCM module...

..., conjugate conduction between the PCM, the embedded microchannel tubes and the enclosure, buoyancy in the melting PCM, and variation of temperature and convective heat transfer coefficient along the airflow channels; and (2) a simplified quasi 2D reduced order model (ROM) similar to that described in Ref...

... these results in real industrial applications. Model design of the clamping system as well as simulation and experimental results are shown and discussed. Heat and mass transfer Heat exchangers Heat transfer Low temperature heat transfer Melting Thermal systems Manufacturing Solidification...

...Tasawar Hayat; Ikram Ullah; Ahmed Alsaedi; Saleem Asghar This research concentrates on melting heat transfer in magnetohydrodynamics (MHD) flow of Sisko fluid bounded by a sheet with nonlinear stretching velocity. Modeling and analysis have been carried out in the presence of heat generation...

... fluid under different conditions on their melting and solidification process was considered [ 12 ]. Different materials with high thermal conductivity were mixed into PCMs to strengthen their thermal conductivity, such as graphite matrix, metal foams, carbon fibers, etc. Third, to avoid the leakage...

... passages and the PCM matrix which experiences sensible heat transfer until it reaches the PCM fusion point; then it undergoes melting or solidification in order to receive, or reject, energy. To capture these physics, we establish a dimensionless framework to model heat transfer in the storage device much...

...Mainul Hasan; Latifa Begum A 3D computational fluid dynamics (CFD) modeling study has been carried out for the tin bronze (C903) slab of industrial size in a vertical direct chill caster. The melt is delivered from the top across the entire cross section of the caster. An insulated hot-top...

... between the four walls is made based on the absorbed heat fluxes and outside surface temperatures. The results show that the location of the PCM close to the heat source reaches its melting temperature and then reduces the surface temperature. At this location, the PCM layer stores the major part...

... and phase change during the process of freezing, so as to make a theoretical guidance of the MF on the storage industry. Bio-Heat and mass transfer Experimental Melting Micro heat transfer Measurement techniques Nanoscale heat transfer Freezing 22 05 2016 07 11 2016...

... in streaming flow in tapered and bifurcation channels based on previous work [ 16 ] is also provided. Phase-change materials (PCMs) have a high content of fusion heat as they can absorb a large amount of energy during melting or solidifying. The temperature of PCM remains constant during phase change...

... November 2, 2016. Assoc. Editor: Hongbin Ma. 25 04 2016 03 08 2016 Conduction Electronic cooling Energy efficiency Energy systems Experimental Heat transfer enhancement Melting Thermal systems Thermophysical properties Measurement techniques Solidification A 48 V...

... transfer between the outside and the indoor. Table 3 Physical properties of selected PCMs PCMs Melting temperature, T m (°C) Latent heat, λ f (kJ/kg) Thermal conductivity, K (W/m K) Specific heat, c (kJ/kg K) Density, ρ (kg/m 3 ) Thermal diffusivity, α (m 2 /s...

... December 4, 2015. Assoc. Editor: Ziad Saghir. 28 08 2014 08 12 2014 Melting Melting Freezing Solidification Ice slurry is a mixture of fine ice particles and liquid water, and is utilized in ice storage systems owing to its good flowability and large latent heat of fusion...

...Marcelo D. Marucho; Antonio Campo; N. Ben Cheikh This article addresses the continuous heating of regular-shaped metals (large plate, long cylinder, and sphere) at ambient temperature placed in a metal melting furnace. Under the assumption of temperature-independent thermophysical properties...

... and nonuniform patterns. It was found that the cooling effect of the PCM in the time frame considered reduces with increase in the mean flow Reynolds number due to its delayed melting. Thus, the cooling effect in a natural convection environment is higher compared to one with mean flow. The thickness of the PCM...

... . 10.1016/j.ijrefrig.2003.12.006 [19] Peck , J. H. , Kim , J.-J. , Kang , C. , and Hong , H. , 2006 , “ A Study of Accurate Latent Heat Measurement for a PCM With a Low Melting Temperature Using T-History Method ,” Int. J. Refrig. , 29 ( 7 ), pp. 1225 – 1232 . 10.1016/j.ijrefrig...

... are force-cooled by sodium. The molten fuel pool attacks the walls of the neighboring hexcan, melting them layer by layer. The rate of propagation of such damage and the temperature rise in sodium due to heat transfer from fuel pool through hexcan wall are investigated by a two-step mathematical approach...