... 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...

... . This delay is < 1 min for Bi ≥ 20 and may be ignored in a freezing process extending over a span of many hours. 18 01 2018 27 06 2018 Energy systems Heat and mass transfer Melting Thermal systems Freezing In order to restore thermal comfort while realizing most...

...; published online August 20, 2018. Assoc. Editor: Samuel Sami. 27 02 2018 27 06 2018 Energy systems Heat exchangers Melting Thermal systems Freezing In the U.S., 13% of the total energy consumption is used for building heating, ventilation, and air conditioning (HVAC) [ 1...

... strategy, adhesive techniques, like clamping with hot glue, wax, low melting alloys, or magnetorheological fluids, offer an alternative, being flexible to clamp workpieces of almost every size, form, and material. Although these techniques have the advantages of not deforming workpieces mechanically...

...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...

.... , and Cabeza , L. F. , 2017 , “ Simulation-Based Optimization of PCM Melting Temperature to Improve the Energy Performance in Buildings ,” Appl. Energy , 202 , pp. 420 – 434 . 10.1016/j.apenergy.2017.05.107 [20] Ansuini , R. , Larghetti , R. , Giretti , A. , and Lemma , M. , 2011...

... 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...

...: Ziad Saghir. 22 05 2016 07 11 2016 Bio-Heat and mass transfer Experimental Melting Micro heat transfer Measurement techniques Nanoscale heat transfer Freezing Fruits and vegetables play a vital role in the balance of human nutrition and health [ 1 ], but many people...

... 07 09 2016 Electronic cooling Heat pipes Melting Solidification Flow streaming occurs in gaseous, liquid, and two-phase flows, and is a unique phenomenon in zero-mean-velocity oscillatory (reciprocating) flows. It is due to the flow profile discrepancies between the inflow...

... heat over the melting temperature range. The curve has been normalized such that the area under the large peak, from 35 °C to 55 °C, is equal to one so the curve can be scaled to the latent heat of fusion of the paraffin. The specific heat of the PCM/EG composite material was input to the fluent...

... Energy efficiency Heat and mass transfer Melting Thermophysical properties Solidification Currently, the effect of building discomfort can be solved by air-conditioning systems or by incorporating material in the building. Reducing the energy consumption is the issue that is any country'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...

... systems Experimental Melting Melting Thermal systems Measurement techniques Freezing Solidification Active thermal energy storage using PCMs is frequently proposed as a method to shift building peak heating and cooling loads [ 1 ] and increase the availability of solar thermal energy [ 2...

... steel) in contact with the molten fuel starts melting, layer by layer, from inner side and its outer surface is exposed to flowing sodium. At any instant, the heat flux leaving outer surface of melting hexcan is a function of natural convection within the fuel pool, thermal resistance of the hexcan wall...