... for a packed bed latent heat storage unit and a comprehensive concentrating solar power generation system that combines a CO 2 Brayton cycle and organic Rankine cycle were integrated. The influences of the key parameters of the packed bed PCM capsule heat storage tank on the overall power output and thermal...

... to make CSP competitive, and it is also a promising indirect energy storage technique. It is of great interests to the solar thermal engineering community to apply the latent heat thermal energy storage (LHTES) system for large-scale CSP application, because PCMs can store more energy due to the latent...

...R. Pokhrel; J. E. González; T. Hight; T. Adalsteinsson The addition of latent heat storage systems in solar thermal applications has several benefits including volume reduction in storage tanks and maintaining the temperature range of the thermal storage. A phase change material (PCM) provides high...

... change temperature of the PCM, 58 ° C (Table 1 ). This assumption is made with the motivation that most of the energy is stored as latent heat and, thus, with good heat transfer in the storage, the temperature of the PCM should be close to the phase change temperature during most...

...Wolf-Dieter Steinmann; Doerte Laing; Rainer Tamme The increased interest in solar thermal systems using steam as a working medium either for power generation or process heat applications gave rise to a growing demand for latent heat storage units. Essential for the development of cost-effective...

..., and latent heat, are thus calculated in a simple way. An experimental test for characterization of graphite/salt composites has been carried out to illustrate the appropriateness of our developments. The method for enthalpy-temperature function estimation is the most original part of this paper. Data...

...N. Nallusamy; R. Velraj The present work investigates, theoretically and experimentally, the thermal performance of a packed bed combined sensible and latent heat storage unit, integrated with the solar water heating system. A one-dimensional porous medium approach with the finite difference...

...-effective storage systems demands the compensation of the low thermal heat conductivity that is characteristic for the candidate materials for PCM. Solar steam generation for power plants requires latent heat storage systems for a saturation temperature range between 200 ° C and 320 ° C . This paper...

... tested on the heat discharge property and the catalytic activity for CO 2 reforming of methane in a laboratory-scale reactor. The high heat capacity and large latent heat (heat of solidification) of the composite molten salt circumvented the temperature dropping of the catalyst bed, which resulted...

... attained was 100% for ZnO and up to 96% for CH 4 . The thermal efficiency was in the 15–22% range; the exergy efficiency reached up to 7.7% and may be increased by recovering the sensible and latent heat of the products. The SynMet process avoids emissions of greenhouse-gases and other pollutant derived...

...R. V. Seeniraj; R. Velraj; N. Lakshmi Narasimhan A theoretical analysis is presented for the performance study of a Latent Heat Thermal Storage (LHTS) system that contains a phase change material (PCM) dispersed with high conductivity particles. The effect of fraction of dispersed particles...

... change includes latent heat effects and changes in thermal and hydraulic properties. A heat and moisture transfer model was developed to study the ground-coupled heat and moisture transfer from buildings. The model also includes detailed considerations of the atmospheric boundary conditions, including...

... and solidification processes of latent heat thermal energy storage (LHTES) systems composed of PCM capsules has not been presented in the literature. The present paper describes such a model which can be used to analyze the instantaneous temperature distribution, instantaneous heat transfer rate, and thermal storage...

.... It is shown that melting rate depends on the shape of the capsule. This is especially important for the design of practical latent heat thermal energy systems. [S0199-6231(00)00504-9] Contributed by the Solar Energy Division of The American Society of Mechanical Engineers for publication in the ASME...

... of various environmental and geometric conditions on energy absorption for the collector were investigated. The results predict that there is an optimum length and tilt angle for the absorbing plate for which the collector could obtain the highest solar energy absorptance. The latent heat flux of water...