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RISEffect of Carbon Particle Feeding as Radiant Absorbent for Enhanced Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Carbon particles can be used as catalyst in solar reactors where they serve as radiant absorbent and nucleation sites for the heterogeneous decomposition reaction. Unlike commonly used metal catalysts, carbon catalyst does ...
Numerical Characterization of a High Flux Solar Simulator Using Forward and Inverse Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The numerical characterization of a 10 kWe xenon arc high flux solar simulator is thoroughly presented and performed using two approaches: a forward Monte Carlo ray tracing (MCRT) method and an inverse ray tracing method. ...
Hydrogen Production by Carbon-Catalyzed Methane Decomposition Via Thermogravimetry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrogen is a high energy content fuel and methane is currently the most preferred feedstock for hydrogen production. Direct thermal splitting of methane offers the cleanest technique to produce hydrogen and carbon as ...
Experimental Performance of a Nonlinear Control Strategy to Regulate Temperature of a High-Temperature Solar Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite the significant potential of solar thermochemical process technology for storing solar energy as solid-state solar fuel, several challenges have made its industrial application difficult. It is important to note ...
Determination of Heat Transfer Characteristics of Solar Thermal Collectors as Heat Source for a Residential Heat Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With reducing energy demand and required installed mechanical system power of modern residences, alternate heat pump system configurations with a possible increased economic viability emerge. Against this background, this ...
Computational Fluid Dynamics and Particle Image Velocimetry Characterization of a Solar Cyclone Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Solar thermal cracking of methane produces two valuable products, hydrogen gas and solid carbon, both of which can be used as a fuel and as a commodity. During the course of this twophase phenomenon, carbon particles tend ...
Computational Fluid Dynamics and Heat Transfer Analysis of Vortex Formation in a Solar Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A hydrogenproducing solar reactor was experimentally tested to study the cyclone flow dynamics of the gas–particle twophase phenomenon. Twodimensional particle image velocimetry (PIV) was used to observe the flow and to ...
Characterization of a New 10 kWe High Flux Solar Simulator Via Indirect Radiation Mapping Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents characterization of a new high flux solar simulator consisting of a 10 kW Xenon arc via indirect heat flux mapping technique for solar thermochemical applications. The method incorporates the use of a ...
Monte Carlo Ray Tracing-Coupled Computational Fluid Dynamic Modeling and Experimental Testing of a 1-kW Solar Cavity Receiver Radiated via 7-kW HFSS
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Current state-of-the-art development of concentrated solar power (CSP) applications targets cost-effective and highly efficient processes in order to establish commercialization of these technologies. The design of solar ...
A Simplified Numerical Approach to Characterize the Thermal Response of a Moving Bed Solar Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Concentrated solar thermochemical storage in the form of a zero-emission fuel is a promising option to produce long-duration energy storage. Solar fuel is produced using a cavity reactor that captures concentrated solar ...