NDLI: Development of a High-Performance Concrete to Store Thermal Energy for Concentrating Solar Power Plants

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Emerson, E. John Hale, W. Micah Selvam, R. Panneer
Copyright Year	2011
Abstract	Researchers in their quest to find a suitable candidate material for solid sensible heat storage have identified concrete as an acceptable medium. However, at temperatures of 500°C and beyond the thermo-mechanical properties of ordinary concrete change significantly. This paper presents seven concrete mixtures of various material components and proportions that were developed and tested for resistance to temperatures up to 500°C. After exposure to 10 thermal cycles from ambient temperature to 500°C, six of the seven mixtures maintained in excess of 50% of their mechanical properties. This result is favorable for concrete to be used as a thermal energy storage medium. With concrete exhibiting acceptable mechanical and thermal properties at very high temperatures, the amount of energy stored per unit volume is increased, higher steam temperatures are available to facilitate power generation and the concrete can last for the design lifetime of the power generating system into which it is integrated.
Sponsorship	Advanced Energy Systems Division and Solar Energy Division
Starting Page	523
Ending Page	529
Page Count	7
File Format	PDF
ISBN	9780791854686
DOI	10.1115/ES2011-54177
Volume Number	ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C
Conference Proceedings	ASME 2011 5th International Conference on Energy Sustainability
Language	English
Publisher Date	2011-08-07
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Temperature Mechanical properties Thermal energy storage High temperature Thermal energy Thermomechanics Concretes Design Thermal properties Concentrating solar power Heat storage Steam Energy generation
Content Type	Text
Resource Type	Article

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