A method for experimental thermo-mechanical aging of materials submitted to concentrated solar irradiation

Characterization and testing of solid particles to be used in CSP plants: Aging and fluidization tests

“…Experimental error and origin of the supplied materials may lay behind the small differences. The specific heat capacity of sand and SiC is similar to that found by other researchers [17,36].…”

Variational entropy generation minimization of a channel flow: Convective heat transfer in a gas flow

“…24 for several val-575 ues of W Φ and demonstrate the narrowing of the temperature range at the heated plate as W Φ decreases. The reduction of the maximum temperature and the better thermal homogeneity of the heated plate are an advantage in applications like concentrated solar power where 580 materials are subjected to high temperature stress that can be the cause of damage or accelerate aging due to thermo-mechanical [60] [61] or chemical [62] [63] constraints (oxidation for example [64]).…”

Silicon Oxycarbide and Silicon Oxycarbonitride Materials under Concentrated Solar Radiation

“…There is an urgent need to research and develop materials that fulfil all these properties and increase operational temperature and efficiency in order to ensure the economic sustainability of concentrated solar tower technology. Two kinds of materials are generally widely used for these purposes: metals and ceramics [ 4 , 7 ]. As metals, Ni alloys (i.e., INCONEL) are common due to their exceptional mechanical properties up to 700 °C.…”

“…A large number of studies are currently focused on the reliability and long-term stability of CSP components, especially receivers, during service in order to determine the commercial and industrial suitability and viability of both the receiver and new candidate materials. These studies are based on numerical models and predictions which take into account material properties and other characteristics of receiver design as well as ageing factors and should be completed with accelerated ageing tests that can evaluate the receiver behaviour under real operational conditions [ 6 , 7 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ]. The important and not easy issue is to develop testing methods and standards of validation of materials employed for solar energy applications, which is usually limited by solar testing facilities and also characterization methods available within laboratories [ 16 , 17 ].…”

“…Palacios et al [ 15 ] carried out an isothermal ageing treatment over the samples (SiC, sand and Fe 2 O 3 ) and studied the changes by the variation of colour, specific heat capacity, absorptance and XRD. Finally, a solar accelerated ageing facility was employed by Lalau et al [ 7 ], who studied the ageing of INCONEL and SiC exposed to thermo-mechanical stresses employing a numerical model and a non-destructive acoustic-emission technique.…”