By Luisa F. Cabeza
Thermal strength garage (TES) applied sciences shop thermal power (both warmth and chilly) for later use as required, instead of on the time of construction. they're for that reason vital opposite numbers to numerous intermittent renewable power iteration equipment and likewise supply a manner of valorising waste strategy warmth and lowering the strength call for of constructions. This e-book offers an authoritative evaluate of this key sector. half one experiences good warmth garage applied sciences. half covers latent and thermochemical warmth garage respectively. the ultimate part addresses functions in heating and effort systems.
- Reviews good warmth garage applied sciences, together with using water, molten salts, concrete and boreholes
- Describes latent warmth garage platforms and thermochemical warmth storage
- Includes info at the tracking and keep watch over of thermal power garage structures, and considers their purposes in residential structures, energy vegetation and industry
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Extra info for Advances in thermal energy storage systems : methods and applications
Copyright (2013), with permission from Elsevier. Different additives have been studied for improving the heat capacity of storage fluids. , 2001; Tiznobaik and Shin, 2013), however, the additive with the best results so far has been SiO2. Recently, Dudda and Shin (2013) have applied this additive in the solar industry. They added SiO2 of 5 nm, 10 nm, 30 nm, and 60 nm to the eutectic solar mix, composed of sodium and potassium nitrate. The SiO2 addition was of 1 wt%, increasing the heat capacity in 8% (5 nm), 12% (10 nm), 19% (30 nm) and 27% for 60 nm, respectively.
The use of this mixture has made possible the building of commercial plants that reach until 15 hours of energy storage (Sener and Torresol Energy, 2014). This mixture was chosen because it is liquid at atmospheric pressure, has a good relation between storage capacity and price, the working temperatures range is according to the high pressure and temperatures needed in the steam turbines, and they are neither flammable nor toxic (unlike the synthetic oils). Despite the feasibility of energy storage using this salt having already been proved, one of the challenges to be addressed by R & D in the thermosolar market is the improvement of this fluid to build the next generation of centrals more cheaply and profitably than so far.
Olives, R. and Py X. (2012) ‘Selection and characterization of recycled materials for sensible thermal energy storage’, Solar Energy Materials and Solar Cells, 107, 131–135. 7. , Martorell, I. F. (2010) ‘Selection of materials with potential in sensible thermal energy storage’, Solar Energy Materials and Solar Cells, 94, 1723–1729. 8. F. and Mehling H. (2003) ‘Review on thermal energy storage with phase change: materials, heat transfer analysis and applications’, Applied Thermal Engineering, 23, 251–283.