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RISOptimization of the Mass Flow Rate Distribution of an Open Volumetric Air Receiver
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermodynamical efficiency of a solar power tower power plant with an open volumetric air receiver depends among others on the operational strategy of the receiver. This strategy includes, on the one hand, controlling ...
Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental and numerical modal analysis was performed on an 8 m2 Tshaped heliostat structure at different elevation angles. The experimental results were used to validate a finite element (FE) model by comparing natural ...
Economic Potential of Innovative Receiver Concepts With Different Solar Field Configurations for Supercritical Steam Cycles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The cost reduction potential of solar power towers (SPT) is an important issue concerning its market introduction. Raising the steam process temperature and pressure can lead to a cost reduction due to increased overall ...
Optimization of Heliostat Aim Point Selection for Central Receiver Systems Based on the Ant Colony Optimization Metaheuristic
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The optimization of the selection of heliostat aim points in a solar power tower plant with the objective of an increased overall efficiency represents a NPhard optimization problem of high dimension. This paper presents ...
Economic Chances and Technical Risks of the Internal Direct Absorption Receiver
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increased receiver temperatures of solar tower power plants are proposed to decrease the plants levelized electricity costs (LEC) due to the utilization of supercritical steam power plants and thus higher overall plant ...
Quantifying Uncertainty of Damage in Composites Using a Quasi Monte Carlo Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Property variations in a structure strongly impact the macroscopic mechanical performance as regions with lower strength will be prone to damage initiation or acceleration. Consideration of the variability in material ...
Spindle Condition Monitoring With a Smart Vibration Sensor and an Optimized Deep Neural Network
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents a spindle condition monitoring methodology using a low-power smart vibration sensor and a near real-time deep neural network (DNN) classifier. The most frequent spindle failures, such as imbalance, ...
A New Fast Ray Tracing Tool for High-Precision Simulation of Heliostat Fields
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A completely new ray tracing software has been developed at the German Aerospace Center. The main purpose of this software is the flux density simulation of heliostat fields with a very high ...
Assessment of Solar Power Tower Driven Ultrasupercritical Steam Cycles Applying Tubular Central Receivers With Varied Heat Transfer Media
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For clean and efficient electric power generation, the combination of solar power towers (SPTs) with ultrasupercritical steam cycle power plants could be the next development step. The methodology ...
Prototype Testing of a Centrifugal Particle Receiver for High Temperature Concentrating Solar Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel concept of a particle receiver for hightemperature solar applications was developed and evaluated in the present work. The socalled Centrifugal Particle Receiver (CentRec) uses small bauxite particles as absorber, ...