Published at Renewable Energy – The performance evaluation of the free-falling particle solar receiver with a novel zigzag mass-flow controlled particle release pattern

Abstract: A free-falling particle receiver is a promising technology to be used in concentrating solar power plants. In this study, an optical-thermal coupled model is established by combining a Monte Carlo ray-tracing method with a finite volume method to simulate the energy transfer processes in a solar power tower system employing a cavity receiver. Using …

Published at International Journal of Hydrogen Energy – Exergetic evaluation of the effect of nanofluid utilization for performance enhancement of a solar driven hydrogen production plant

Abstract: Recently, research and development on progressive and efficient hydrogen production methods has been paid lots of attention due to carbon-free feature of hydrogen. Application of nanoparticles to enhance an integrated solar-based hydrogen production unit is suggested and investigated in this work. The integrated plant consists of parabolic trough collectors coupled with a Kalina cycle …

Published at Arabian Journal for Science and Engineering – Production of Biochar by Slow and Solar-Biomass Pyrolysis: Focus on the Output Configuration Assessment, Adaptability, and Barriers to Market Penetration

Abstract: Biochar production through slow pyrolysis is a versatile and adaptable approach for managing diverse biomass waste. However, their industrial applications remain limited because of their high energy consumption and the emission of toxic gases. Solar-biomass pyrolysis systems have been proposed to address these challenges. This review examines the relationship between output configuration and the …

SolarPACES 2022 Conference Proceedings published Open Access

SolarPACES 2022: Proceedings are being published Dear participants of the SolarPACES 2022 conference, We are delighted to announce the release of the SolarPACES 2022 conference proceedings on the TIB platform. Please be aware that the papers are being published sequentially. If you do not see your paper yet, we encourage you to regularly check the …

Published at Energy Conversion and Management – Comparative study of process simulation, energy and exergy analyses of solar enhanced char-cycling biomass pyrolysis process

Comparative study of process simulation, energy and exergy analyses of solar enhanced char-cycling biomass pyrolysis process Abstract: Pyrolysis is an efficient technology for converting biomass into value-added products, characterized by endothermal reactions. The introduction of induced solar irradiance can boost product yields and reduce carbon emissions associated with incineration. However, direct solar pyrolysis faces challenges …

Two CSP studies quantify a trade-off between solar efficiency and LCOE

Vast Solar is one of the few commercial firms numbering-up modules in CSP. Efficiency or LCOE: which is more important to reduce the cost of Gen-3 CSP systems? A pair of related papers from ANU in Australia compare the value of efficiency versus Levelized Cost of Energy (LCOE) in Concentrated Solar Power (CSP) systems. The …

Published in Renewable and Sustainable Energy Reviews – Phase change material (PCM) candidates for latent heat thermal energy storage (LHTES) in concentrated solar power (CSP) based thermal applications – A review

IMAGE Abstract: Solar energy offers over 2,945,926 TWh/year of global Concentrating Solar Power (CSP) potential, that can be used to substitute fossil fuels in power generation and mitigate 2.1 GtCO2 of greenhouse gas (GHG) emission to support Sustainable Development Goals (SDGs) set by the United Nations (UN). Thermal energy storage (TES) is required in CSP …

Published at Coatings – Using an Al-Incorporated Deep Black Pigment Coating to Enhance the Solar Absorptance of Iron Oxide-Rich Particles

Abstract: The use of solid particles as direct heat absorbance and storage media promises enhanced storage densities in concentrated solar power (CSP) technologies. The long-term optical performance of those particles, which aim to be operational over years, is crucial. Dry powder coating with a deep black Cu-Mn-oxide pigment in a resonant acoustic mixer and subsequent …

Published at Journal of Cleaner Production – Sustainable assessment of an integrated energy system coupled with solar thermochemical cycle

Abstract The energy transition globally makes the development of carbon-free and low-carbon fuels obligatory as these fuels cannot only be utilized as energy carriers but also for long-term energy storage. This paper presents the energy, technoeconomic, and environmental assessment of a new hybrid renewable energy integrated system with a novel concept of the thermochemical cycle …

Published at Journal of Solar Engineering – Compilation of a Solar Mirror Materials Database and an Analysis of Natural and Accelerated Mirror Exposure and Degradation

Abstract: The National Renewable Energy Laboratory (NREL) has been conducting exposure experiments on solar reflectors for over four decades. Thousands of mirror samples from over one hundred suppliers have been exposed to and monitored in a range of relevant environments. These test conditions include outdoor test settings and several controlled laboratory environments. These samples have …