Heat transfer of high thermal energy storage with heat exchanger for solar trough power plant

Numerical investigation of sensible thermal energy storage in high temperature solar systems

“…Essential for the successful development of a storage system is the sufficient heat transfer between the fluid and the storage material. Recently, a high temperature TES was studied by a lab-scale cylindrical storage tank experiment [6]. A heat exchanger of TES was used for separating two fluids: the storage medium and the heat transfer fluid.…”

“…The storage purpose is twofold: to increase the value of the power generated by strongly reducing its randomness and to improve the plant economics by using the available hardware for more hours a year. Recent concentrating solar plant projects incorporate heat storage that allows the system to operate for some [6][7][8][9][10][11][12] hours in the absence of solar irradiance [5].…”

Fundamentals and applications of cryogen as a thermal energy carrier: A critical assessment

“…For example, such an approach has been widely used to recover waste heat from the Brayton cycle with a combined cycle gas turbine (CCGT) technology. The approach has also been investigated for the use of low grade solar heat [12,15,23]. However, steam is not an idea working fluid for utilizing low grade heat as the critical temperature of water (374 C) is much higher than the ambient temperature and its critical pressure (22.1 MPa) is extremely high.…”

Design and calculation of a new storage tank for concentrating solar power plant

“…Tube-in-shell cylindrical storage tank is the best popular among all the storage tank in CSP plants. There are about two types in this system, which are finned and unfinned tube-in-shell cylindrical storage tank [20][21][22]. Packed bed storage tank is proposed to optimize the heat transfer performance based on the encapsulated phase change materials (PCMs), which includes two types of microencapsulated PCMs and macroencapsulated PCMs [23][24][25].…”