Showing 1 - 10 of 236
In recent years, storage of thermal energy has become a very important topic in many engineering applications and has been the subject of a great deal of research activity. This paper reviews the thermal energy storage technologies suitable for building applications with a particular interest in...
Persistent link: https://www.econbiz.de/10010608392
Lithium, mainly used in electrical energy storage, has also been studied in thermal energy storage. It is recognized as a “critical material” and is produced from minerals and from brines. Chile is one of the biggest producers, here from brine and with lower costs than in other countries....
Persistent link: https://www.econbiz.de/10011117061
In this study, energy and exergy analyses are carried out for the charging period of an ice-on-coil thermal energy storage system. The present model is developed using a thermal resistance network technique. First, the time-dependent variations of the predicted total stored energy, mass of ice,...
Persistent link: https://www.econbiz.de/10010808827
Palmitic acid (PA) is one of the main phase change materials (PCMs) for medium temperature thermal energy storage systems. In order to stabilize the shape and enhance the thermal conductivity of PA, the effects of adding nitrogen-doped graphene (NDG) as a carbon nanofiller were examined...
Persistent link: https://www.econbiz.de/10011076333
Two types of ICS solar water heaters designed, constructed and tested. The systems consist of two cylindrical storage tanks, which are connected in series and are horizontally incorporated in a stationary asymmetric CPC type mirror. The efficient operation of the system is due to the thermal...
Persistent link: https://www.econbiz.de/10010805510
Natural gas hydrate is a vast energy resource with global distribution in permafrost regions and in the oceans; its sheer volume demands that it be evaluated as a potential energy source. Understanding the mechanisms of natural gas extraction from hydrate-bearing sediments is critical for the...
Persistent link: https://www.econbiz.de/10011208364
Man (farmers, forest managers) by dealing with water and vegetation changes substantially the distribution of solar energy. Differences in sensible heat (warming) and latent heat (cooling by evapotranspiration) on drained and wetland areas, and the air conditioning effect of a single tree are...
Persistent link: https://www.econbiz.de/10011044040
Neopentyl glycol (NPG) was saturated into the compressed expanded natural graphite (CENG) matrices with different densities in an attempt to increase the thermal performance of NPG for latent heat thermal energy storage (LHTES) application. NPG uniformly disperses in the porous network of the...
Persistent link: https://www.econbiz.de/10010803849
Integrating high thermal conductive porous media and high latent heat phase change materials (PCMs) is an efficient method for heat dissipation in passive cooling applications. In this study, the enhanced heat transfer performance of porous stainless-steel fiber felt saturated with paraffin as...
Persistent link: https://www.econbiz.de/10010811374
The role of microphysical effects in the ability of a small new phase nucleus to emit molecules into the vapor is revealed on a thermodynamic basis. It is shown that dependence of the surface tension of a nucleus on its temperature and the dependence of the vaporisation heat on the nuclear...
Persistent link: https://www.econbiz.de/10010872417