... controller are inadequate for handling these nonlinearities. Therefore, more advanced control strategies, such as model predictive control (MPC), are preferable as they have proven effective in regulating the temperature of solar reactors [ 15 , 16 ]. MPC has been successfully implemented in regulating...

... solar reactor British Council 10.13039/501100000308 300 Department for Business, Innovation and Skills 10.13039/501100004800 48979 Directorate-General for Research and Innovation 10.13039/100004431 768576 Electricity is playing an increasingly important role...

... Figure hydrogen simulation solar reactor Solar fuels such as hydrogen, syngas, and drop-in fuels offer a sustainable alternative to fossil fuels, and if integrated on a large scale, they have the potential to achieve an in-depth decarbonization of the industry, transport, and energy...

... of process heat or hydrogen. We designed and fabricated a 4-kW solar rotary drum reactor to carry out the solar-driven charging step of solar thermochemical storage via metal oxide reduction–oxidation cycles. During the summer of 2019, the solar reactor was operated in the Valparaiso University solar furnace...

... nergy and B uilding E nergy C onservation . 13 03 2023 21 09 2023 23 09 2023 22 11 2023 segmented specular reflection cylindrical focal surface concentrating ratio area utilization rate heat collection efficiency absorber collector heating solar reactor system...

... 06 08 2022 09 08 2022 26 09 2022 solar fuels heat recovery thermochemical cycle heat transfer solar solar reactor water splitting Solar fuels offer a promising route for deep-decarbonization of the energy sector. They can be used for long-distance transportation...

... inside a solar reactor. To overcome this challenge, the temperature of a solar reactor can be regulated by controlling the incoming solar radiation or the feedstock flowrate inside the reactor. In this work, a combined proportional integral derivative (PID) controller is implemented to regulate...

... hydrogen solar reactor thermodynamics National Science Foundation of China 10.13039/100000001 51736006 Hydrogen and carbon monoxide are clean and carbon-neutral alternative fuels that can be produced from renewable energy sources such as solar energy. There are three main paths...

.... A. , and Fiderman , M. M. , 2017 , “ Modeling and Experimental Evaluation of a Non-Isothermal Photocatalytic Solar Reactor: Temperature Effect on the Reaction Rate Kinetics ,” Ingeniería y competitividad. , 19 ( 2 ), pp. 149 – 160 . 10.25100/iyc.v19i2.5301 [35] Arellano , C. A. P...

... from a solar thermal field. The temperature stability of a solar reactor is directly influenced by the solar flux intercepted. This paper presents a low-order physical model to simulate the dynamic response of temperature inside a tubular plug-flow reactor prototype. Solid granular particles are fed...

... simulation solar reactor ceria redox cycle non-uniform porous media Solar thermochemical redox cycles can produce hydrogen and carbon monoxide from water and CO 2 , utilizing metal oxides that are repeatedly reduced and oxidized. The reduction step is a high-temperature endothermic reaction where...

... nergy C onservation . 27 01 2020 03 08 2020 03 08 2020 06 10 2020 concentrating solar solar receiver/reactor directly irradiated radiation CFD ray tracing ansys fluent heat transfer simulation solar solar reactor solar receiver Detailed computational...

... thermochemical cycle membrane reactor simulation clean energy heat transfer mass transfer solar reactor 02 03 2020 22 07 2020 22 07 2020 24 08 2020 Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E nergy E ngineering : I ncluding...

... into the development of thermal efficient solar cavity receivers. Hence, findings of this study will serve as a starting point for the future solar reactor design. For example, it was found that reversing flow direction has an adverse effect on the temperature uniformity inside the receiver. Similarly, increasing...

...Bo Wang; Lifeng Li; Johannes J. Pottas; Roman Bader; Peter B. Kreider; Vincent M. Wheeler; Wojciech Lipiński A transient heat transfer model is developed to study the thermal performance of a high-temperature solar thermochemical reactor for metal oxide reduction. The solar reactor consists...

... at the target as focused, radiant power. The remaining 60–80% of the energy is either absorbed by components in the system or scattered away from the target. Ekman et al. provide a detailed discussion of the energy losses within a metal halide solar simulator [ 3 ]. Optics Simulation Solar Solar...

...Anoop Verma; N. Tejo Prakash; Amrit Pal Toor; Palak Bansal; Vikas Kumar Sangal; Ajay Kumar This research demonstrates scale-up studies with the development of concentrating and nonconcentrating solar reactors employing suspended and supported TiO 2 for the degradation of herbicide isoproturon (IPU...

... of a novel iris mechanism for temperature control in high temperature solar thermal receivers and solar reactors. Such methodology can be used as a guideline for iris mechanisms implemented in other applications as well as in design of different apparatuses exposed to high temperature. Optical simulations...

... Solar Reactor ,” Chem. Eng. J. , 146 ( 2 ), pp. 244 – 248 . 10.1016/j.cej.2008.06.005 [11] Nikulshina , V. , and Steinfeld , A. , 2009 , “ CO2 Capture From Air Via CaO-Carbonation Using a Solar-Driven Fluidized Bed Reactor—Effect of Temperature and Water Vapor Concentration ,” Chem...

...W. Villasmil; T. Cooper; E. Koepf; A. Meier; A. Steinfeld This work reports a numerical investigation of the transient operation of a 100-kW th solar reactor for performing the high-temperature step of the Zn/ZnO thermochemical cycle. This two-step redox cycle comprises (1) the endothermal...