Open AccessDissertation
Rock bed thermal storage for concentrating solar power plants
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The article was published on 2014-04-01 and is currently open access. It has received 24 citations till now. The article focuses on the topics: Photovoltaic thermal hybrid solar collector & Solar air conditioning.read more
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Journal ArticleDOI
A review of large‐scale electrical energy storage
TL;DR: A broad overview of energy storage technologies available on the large-scale complimented with their capabilities conducted by a thorough literature survey is given in this article, where thermal energy storage, flow batteries, lithium ion, sodium sulphur, compressed air energy storage and pumped hydro storage are evaluated.
Journal ArticleDOI
Rock bed storage for solar thermal power plants: Rock characteristics, suitability, and availability
TL;DR: In this paper, it is proposed that air-rock packed beds are suitable for thermal storage in solar power plants at temperatures of approximately 500-600 ˚ c. Desirable characteristics of rock for this application are presented, and the different rock types are discussed in the light of these requirements.
Journal ArticleDOI
Rock bed pressure drop and heat transfer: Simple design correlations
TL;DR: In this article, a simplified Nusselt number correlation for air-rock beds, also expressed in terms of the volume-equivalent sphere diameter, is given for heat transfer calculations.
Journal ArticleDOI
Experimental investigation of basalt rocks as storage material for high-temperature concentrated solar power plants
Tamar Nahhas,Xavier Py,N. Sadiki +2 more
TL;DR: In this paper, two varieties of basalt rocks collected from two different regions have been assessed for high-temperature packed-bed thermal energy storage, and the most relevant thermo-physical and mechanical properties of the studied rocks as sensible heat storage materials were characterized.
Proceedings ArticleDOI
Rock bed thermal storage: Concepts and costs
TL;DR: In this article, two rock bed storage concepts for concentrating solar power (CSP) plants are presented for use at temperatures up to at least 600 °C and a brief analysis and cost estimate is given.
References
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Journal ArticleDOI
Thermal performance of a packed bed double-pass solar air heater
TL;DR: The thermal performance of a double-glass double-pass solar air heater with a packed bed (DPSAHPB) above the heater absorber plate was investigated experimentally and theoretically as discussed by the authors.
Book
Modelling and Simulation of Power Generation Plants
TL;DR: In this article, the authors present a short survey of simulation tools for power generation plants with Gas Turbines and show that they can be used to evaluate the performance of a power generation plant with a gas turbine.
Journal ArticleDOI
Angle of repose and angle of sliding friction: an experimental study
TL;DR: In this article, a controlled experimental study was conducted to obtain dependable information for use in geomorphic investigations and the results showed that the angle of repose varies inversely with size of fragments in perfectly sorted materials, but directly in those imperfectly sorted materials.
Journal ArticleDOI
Nusselt number and friction factor correlations for packed bed solar energy storage system having large sized elements of different shapes
TL;DR: In this article, the effect of system and operating parameters on heat transfer and pressure drop characteristics of packed bed solar energy storage system with large sized elements of storage material was investigated and correlations have been developed for Nusselt number and friction factor as function of Reynolds number, sphericity and void fraction.