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Ammonia. Computer model of a molecule of ammonia(NH3). Atoms are represented as spheres and are colour coded: nitrogen (blue) and hydrogen (white). Ammonia is a pungent-smelling colourless gas. It occurs naturally in gases from some geothermal springs. Abstract: Green ammonia, produced at ambient conditions, has received significant attention as a carrier of hydrogen for energy …
Abstract: This work presents a numerical study of the flow of particles in a gas–particle fluidized dense suspension for CSP applications using the Multi-Phase Particle in Cell (MP-PIC) method, implemented in CPFD-Barracuda software. The study covers two different numerical simulations. The first is a cold and isothermal model in which the fluctuations and control of …
Abstract: This paper reported a novel quartz tube gravity-driven SPSR. A test platform of the receiver with a drop length of 4m based on a linear-focused solar furnace was built. The optical performances of the linear-focused solar furnace were measured by a direct method. Solid particles were heated to a temperature of 156-308C after a …
Abstract: This work presents the design and techno-economic analysis of a 100 MWe concentrated solar power (CSP) system using a supercritical CO2 power block with 700 °C input temperature. Aiming to leverage the relatively higher efficiency of small heliostat fields and potential multi-build discounts, a numbering-up approach is examined, developing four alternative configurations (1×100, 2×50, …
Abstract: The objective of this research is to investigate the implementation of two concentrated solar power (CSP) technologies in the 28 devoted locations in Egypt, in order to select the optimum site-specific CSP technology. This may be achieved by a validated thermo-economic simulation of power plants using the Sam advisory model and an investigation of …
Abstract: The two-step solar thermochemical cycle is a prospective clean energy technology that enables the direct splitting of water and carbon dioxide for solar fuel production. However, immature oxygen carriers fundamentally restrict the solar-to-fuel conversion efficiency and thus prevent this technology from immediate industrial uptake. Focusing on the conventional iron-based oxygen carriers, this study intends …
Abstract: Thermochemical energy storage systems have a high potential to support a future energy supply based on renewables by providing comparably high storage capacities and option for long-term, cold and loss free storage, that allows a flexible utilization in several application areas. Due to its cost efficiency and abundance the reaction system Ca(OH)2/CaO is currently …
Fig. 5. Effect of the location on the minimum fuel selling price (€2020) with cost-built up for one GJ of jet fuel produced via the solar thermochemical pathway. 25 years lifetime. Abstract: This study analyzes the technical performance, costs and life-cycle greenhouse gas (GHG) emissions of the production of various fuels using air-captured water and …
Abstract: In this paper, we show that concentrated solar power (CSP) with thermal storage is an economically attractive technology to achieve high solar penetration levels. To this end, we utilize an alternative framework of net levelized cost of electricity (net-LCOE), which captures the projected curtailment rate, to economically compare PV with batteries to CSP in …
Abstract: Solar energy is one of the leading renewable energy sources in terms of installed power capacity on a global scale. Scientific research on the site-selection procedures of solar photovoltaics (PV) and concentrated solar power (CSP) technologies is of significant importance, contributing to environmentally sustainable, technically and economically viable, and socially acceptable solar energy projects. …