Topic
Latent heat
About: Latent heat is a research topic. Over the lifetime, 13503 publications have been published within this topic receiving 302811 citations.
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01 Jan 2015
TL;DR: Thermal energy storage (TES) systems can store heat or cold to be used later, under varying conditions such as temperature, place or power as discussed by the authors, and they can be divided in three types: sensible heat, latent heat, and thermochemical.
Abstract: Thermal energy storage (TES) systems can store heat or cold to be used later, under varying conditions such as temperature, place or power. TES systems are divided in three types: sensible heat, latent heat, and thermochemical. Clues for each TES system are presented in this chapter and requirements for each technology and application are given. An overview of system types and description of particular and novel applications are presented. The potential for energy saving and climate change mitigation using TES with a 10-year scenario is presented for specific cases. Finally, the CO2 mitigation potential of TES in different applications is presented.
105 citations
TL;DR: In this article, the behavior of a packed bed latent heat thermal energy storage system at different cases is numerically analyzed using the Concentric-Dispersion (C-D) equations.
105 citations
TL;DR: In this paper, phase change material (PCM) composites based on low-density polyethylene (LDPE) with paraffin waxes were investigated in a passive solar wall, where the composites were prepared using a meltmixing method with a Brabender-Plastograph.
105 citations
TL;DR: In this paper, satellite-based and in situ data shows a strong connection between mesoscale SST features and changes in the atmospheric boundary layer, which is similar to those recently reported over the equatorial Pacific tropical instability wave region.
Abstract: The western Arabian Sea exhibits strong spatial variability in sea surface temperature (SST) during the southwest monsoon, with changes in SST that can exceed 5°C over 200 km. Exploration of satellite-based and in situ data shows a strong connection between mesoscale SST features and changes in the atmospheric boundary layer. The fundamental relationship is that of weak (strong) wind velocities overlying cold (warm) SST features. There are also coherent changes in other near-surface meteorological parameters, such as the air–sea temperature difference and relative humidity—indicating changes in the stability of the planetary boundary layer over the mesoscale SST features. These relationships are similar to those recently reported over the equatorial Pacific tropical instability wave region. This observed covariability of atmospheric boundary layer structure and SST results in variations of the surface heat and moisture fluxes; latent heat flux is modified by changes in relative humidity (principa...
105 citations
TL;DR: In this article, the time and space variability of the atmospheric heat source over Tibet is presented for the summer of 1979, based on new data from the People's Republic of China allowing a better assessment of surface heat fluxes, and on new satellite data from Nimbus-7 giving the radiation balance at the top of the atmosphere.
Abstract: Estimates of the time and space variability of the atmospheric heat source over Tibet are presented for the summer of 1979. These estimates rely on new data from the People's Republic of China allowing a better assessment of the surface heat fluxes, and on new satellite data from Nimbus-7 giving the radiation balance at the top of the atmosphere. The estimates of the atmospheric heat source turned out to be considerably smaller than those provided earlier in the literature, mainly because of different assumptions of the drag coefficient. The atmospheric heat source over Tibet is mainly modulated by the release of latent heat. Over the southeastern and southwestern plateau regions the heat source appears to be in phase with the precipitation yield of the Indian summer monsoon, whereas central Tibet reveals an out-of-phase behavior. Over western Tibet there appears to be hardly any net import of moisture from outside the region, whereas the maintenance of the hydrological cycle over eastern Tibet requires moisture flux convergence from outside the region of up to 40 percent of the mean rainfall, in agreement with what is known about the surface hydrology of Tibet.
105 citations