Published at Results in Engineering – Enhanced thermal performance in solar receiver duct with louver-punched V-type winglets: Numerical and experimental study

Abstract: An experimental and computational research was performed to explore the augmentation of turbulent convection in a solar receiver channel by utilizing louver-punched V-type winglets (LPVWs) that were fixed to the absorber plate. The simulation utilized the realizable k-ε turbulent model, and the predicated outputs were verified by the relevant measured data. At a fixed …

Finding an ideal channel geometry inside compact flow gas receivers

In concentrated solar power (CSP), how well the working fluid transfers heat through a receiver can make or break system efficiency. For solar-heated thermochemistry, solar receivers need to operate at very high temperatures, up to 1400°C. Gases like air are cheap, nontoxic, and have no temperature limitations, so researchers are working on gas-based solar receivers …

As the US Cuts Scientific Talent, Europe Launches an Initiative to Attract It

The Choose Europe for Science program will invest more than half a billion dollars between 2025 and 2027 to recruit researchers and scientists—especially from the United States. Source: Wired The European Commission has launched a new initiative to attract researchers and scientists to the European Union—especially those from the United States. The Choose Europe for …

950 MW DEWA CSP project wins the SolarPACES 2024 Technology Innovation Award

On behalf of the many international contributors to the 950 MW Phase IV CSP/PV project at the Mohammed bin Rashid Al Maktoum Solar Park, DEWA sustainable energy manager Hamid Al Kindi accepted the award presented by SolarPACES Chair Gilles Flamant On the closing day of the SolarPACES 2024 Conference, Hamid Al Kindi received the SolarPACES …

Published at Renewable and Sustainable Energy Reviews – Falling particle and sodium billboard receivers for polar-field solar tower plants: A techno-economic comparison

Abstract Concentrated Solar Power (CSP) systems utilizing tower technology are acknowledged as a promising solution for generating dispatchable and renewable electricity. In the pursuit of heightened efficiency and competitiveness, novel receiver technologies, including falling particle and sodium billboard receivers, are under investigation due to their capacity to achieve higher maximum temperatures compared to solar salts …

Published at Solar Energy Materials and Solar Cells – Performance enhancement of a parabolic dish collector with a novel receiver assisted with a secondary reflector

Abstract Solar thermal energy is a promising renewable energy resource that provides sustainable energy. Due to their effectiveness as solar thermal collectors, parabolic dish collectors are commonly used in various thermal energy system applications. Hybrid designs of parabolic dish cavity receivers are an approach for enhancing their thermal efficiency. Moreover, the thermal losses of the …

Published at Case Studies in Thermal Engineering – Multi-objective optimization on thermo-structural performance of honeycomb absorbers for concentrated solar power systems

Abstract Honeycomb volumetric solar receivers have emerged as promising candidates for concentrating solar power applications because of their thermal and mechanical properties, enabling the efficient heating of fluids. Despite their potential, challenges remain in optimizing channel design and operating conditions to enhance thermodynamic performance. This study identifies design and operating configurations that maximize the thermodynamic …

Published at Applied Energy – Enhancing solar tower competitiveness with star-shaped receivers

Abstract Star-shaped receivers represent a novel receiver concept to increase performance and reduce cost of solar tower plants, boosting the competitiveness of these renewable and dispatchable power production technology. This article presents a comprehensive analysis of star-shaped receivers, which, due to their unique geometry, provide lower optical and thermal losses, increased lifetime, and reduced construction …

DLR Institut für Future Fuels seeks Doctoral thesis (m/w/d) Development of Advanced Heat Integration Strategies

Developing technological solutions to produce fuels in the Earth’s Sun Belt The aim is to evenly distribute solar radiation to the redox material, maximise heat transfer, and at the same time maintain suitable cycle times and thermal load limits. At German Aerospace Center (DLR), we value diversity, appreciation, and equality for all individuals. We encourage …

Published at Applied Thermal Engineering – Daily operation and regulation of a photovoltaic-thermochemical hybrid solar system for full-spectrum solar fuel production

Abstract: Facing the challenges of energy crisis and climate change, solar-to-fuel is recognized as a promising approach to promote renewable energy as an alternative to fossil energy. We have proposed a solar-to-fuel system that adopts the spectral beam splitting method to couple photovoltaic and thermochemical conversions, enabling the simultaneous production of electricity and solar fuel …