Thermal energy storage in concrete: Review, testing, and simulation of thermal properties at relevant ranges of elevated temperature

被引：36

作者：

Wang, Shuoyu ^{[1
]}

Abdulridha, Ahmed ^{[2
]}

Bravo, Julio ^{[2
]}

Naito, Clay ^{[2
]}

Quiel, Spencer ^{[2
]}

Suleiman, Muhannad ^{[2
]}

Romero, Carlos ^{[3
]}

Neti, Sudhakar ^{[3
]}

Oztekin, Alparslan ^{[4
]}

机构：

[1] Lehigh Univ, Dept Civil & Environm Engn, 117 ATLSS Dr, Bethlehem, PA 18015 USA

[2] Lehigh Univ, Bethlehem, PA 18015 USA

[3] Lehigh Univ, Energy Res Ctr, Bethlehem, PA 18015 USA

[4] Lehigh Univ, Dept Mech Engn & Mech, Bethlehem, PA 18015 USA

来源：

CEMENT AND CONCRETE RESEARCH | 2023年 / 166卷

关键词：

Concrete; Thermal energy storage; Thermal conductivity; Specific heat; High temperature; MECHANICAL-PROPERTIES; SILICA FUME; CONDUCTIVITY; CEMENT; AGGREGATE; STRENGTH; SYSTEMS; FIBER; HEAT; EXPOSURE;

D O I：

10.1016/j.cemconres.2023.107096

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study examines the thermal performance of concrete used for thermal energy storage (TES) applications. The influence of concrete constituents (aggregates, cementitious materials, and fibers) on the thermal conduc-tivity and specific heat are summarized based on literature and via experimentation at elevated temperatures. It is indicated that concrete with siliceous aggregate, low water/cement ratios, and steel fibers produces better overall thermal properties. The results of literature review and laboratory testing are used for numerical simu-lation to evaluate the impact of concrete thermal property variability on TES capabilities. The TES module consists of the heat exchanger and surrounding concrete as the storage media. Both idealized cases without heat loss and realistic cases with insulation and heat losses are considered. The result shows that conventional con-crete mixes can be tailored to decrease the module charge/discharge durations and increase the amount of thermal energy storage.

引用

页数：19

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