Application of hydraulic-thermal conductivity of steel slag …
PDF | On Aug 7, 2023, Young-Sang Kim and others published Application of hydraulic-thermal conductivity of steel slag based CLSM on the performance evaluation of horizontal GSHPs | Find, read and ...
Waste heat recovery from hot steel slag on the production …
Waste heat recovery from hot steel slag was determined in a granular bed through the combination of numerical simulation and an industrial test method. First, the …
Environmentally responsible steel-slag-based solid particles …
Owing to their high thermal conductivity and large specific heat, steel-slag-based ceramics outperform other thermal storage ceramic materials made from waste solids. In exhaustive and harsh high-temperature stability tests, the steel-slag-based solid particles exhibit an ultra-stable solar weighted absorptance of 93.25 ± 0.09%, superior ...
Investigation on low-carbon shape-stable phase change …
Investigation on low-carbon shape-stable phase change composite by steel slag and carbide slag for solar thermal energy storage. Author links open overlay panel Yaxuan Xiong a, Yang Yang a, Aitonglu Zhang a ... density in the temperature range of 100 °C–400 °C was 371.1 J/g. The maximum thermal conductivity of sample SC4 was 1.263 W/(m·K ...
Thermal and mechanical properties of bio-cemented quartz …
The thermal conductivity of the steel slag is 0.4–1 W/(m⊡K) which is much less than that of the quartz sand and calcium carbonate. Consequently, increasing the SSC of the quartz sand would cause a decline in the thermal conductivity of the loose materials and the EICP-treated specimens.
Road Performance, Thermal Conductivity, and …
SSRAM with 40% steel slag content has the best deformation resistance while SSRAM with 60% steel slag content performed well in low-temperature cracking resistance. The thermal …
Thermal Conductivity Evaluation and Road Performance …
Results showed that active minerals such as iron oxides make the steel slag thermally conductive, while a large number of protrusions and micropores on the surface of the steel …
Advancing sustainability in concrete construction: enhancing thermal …
This study investigates the effects of Ground Granulated Blast Furnace Slag (GGBS) on the thermal stability and compressive strength of concrete, aiming to identify novel insights and contribute ...
A fireproof insulation block with three-dimensional pore …
In an effort to fully harness the potential of steel slag, it has been employed in the production of fire-resistant insulation blocks. A comprehensive investigation was conducted to examine the influence of sodium silicate modulus, water addition, hydrogen peroxide addition, and curing temperature on various properties such as porosity, apparent density, thermal …
Preparation and characterization of binary eutectic phase …
The thermal conductivity test results of the steel slag asphalt mixtures (CG-1), CPC-SSA asphalt mixtures (CG-2), and TCE-based CPC-SSA asphalt mixtures (EG-1, EG-2, and EG-3) are exhibited in Fig. 13. Evidently, the thermal conductivity of the CG-1 (i.e., steel slag asphalt mixtures) is highest, which is 1.3526 W/(m·K). However, the ...
Polish Stone Wool Group | Fire, sound and thermal …
GREAT THERMAL INSULATION PROPERTIES. Also known as mineral wool, stone wool is created by spinning molten rock and minerals with steel slag to create a cotton-candy-like wool product. Pressed into rolls and sheets, stone wool creates an incredibly effective insulation with sound-absorbing and fire-resistant properties. ... Thermal conductivity ...
Using steel slag and fly ash solid wastes to fabricate …
Its thermal conductivity is 1.203 ± 0.054 W m −1 K −1, and after 40 thermal cycles, the mass and thermal conductivity decrease by 1.7 % and 5.2 %, respectively. The excellent properties of HPCP were due to the formation of a high-purity anorthite ceramic crystalline phase in PCC, which could minimize the defects of the porous medium, and ...
Conversion of hazardous waste into thermal conductive …
DOI: 10.1016/j.jenvman.2024.122864 Corpus ID: 273369494; Conversion of hazardous waste into thermal conductive polymer: A prediction and guidance from machine learning. @article{Wang2024ConversionOH, title={Conversion of hazardous waste into thermal conductive polymer: A prediction and guidance from machine learning.}, author={Zhiyi Wang …
THE ESTIMATION OF SLAG PROPERTIES
5.7 Thermal conductivity worksheet 40 5.6 Electrical conductivity worksheet 42 References 42 Appendix 1: Methods used to determine structure 47 Appendix 2: Details of MLL ... in the continuous casting of steel liquid slag infiltrates continuously between the metal and
Effect of steel slag on compaction times of asphalt mixtures …
The thermal conductivity and specific heat of the asphalt mixtures decrease as the steel slag content increases. Furthermore, an increase in the void content leads to a decrease in thermal conductivity and an increase in specific heat capacity.
Thermal conductivity enhancement of backfill material and …
Steel slag, a by-product of steelmaking, can be used as backfill material for energy structures, and the granite residual soil is a common soil type in civil infrastructure. The thermal conductivity of backfill materials and soils surrounding the piles is the crucial parameter which has influence on the heat transfer. In this paper, the steel slag and granite residual soil were …
Exploration of steel slag for thermal energy storage and …
The thermal energy storage density of steel slag is 797.9 kJ·kg −1 (400–900 °C), the thermal conductivity was measured as 0.505, 0.532 and 0.670 W·(m·K) −1 at 25, 250 and 500 °C, respectively.
Thermal Conductivity Evaluation and Road …
Steel slag warm mix asphalt has better mechanical properties than limestone hot mix asphalt. The use of steel slag increases the aging index of the asphalt mixture and reduces the anti-aging ability of the asphalt mixture. In addition, the replacement of lime-stone aggregate with steel slag increases the optimal asphalt aggregate ratio by 0.45%.
Thermal Conductivity Evaluation and Road Performance Test of Steel Slag
Substituting steel slag for mineral materials in road construction has potential economic and environmental benefits. Due to the excellent thermal conductivity of steel slag, it is often used in functional pavements. However, there are few studies on the thermal conductivity characterization of steel slag asphalt mixture (SSAM). For this reason, the …
Thermal conductivity of solidified manganese- bearing …
Abstract – The thermal conductivity of slag is an important parameter in the design of furnace-containment systems based on freeze-lining technology. Literature indicates that the crystal …
Thermal conductivity enhancement of backfill material and
The results showed that the thermal conductivity of steel slag and granite residual soil specimens can be significantly enhanced using EICP treatment. The thermal conductivity …
Modification of steel slag to prepare chlorides based …
Steel slag modified with 30 wt% CFA at 1100 °C was identified as the optimum skeleton. The prepared C-PCMs containing 50 wt% salt showed a phase transition temperature of 653 °C with a high latent heat of 139 J/g and an excellent cycling stability. Additionally, its thermal conductivity reached 1.46 W/(m·K), 180 % higher than of pure salt.
Environmentally responsible steel-slag-based solid particles …
In addition, the steel slag-based ceramic material combines the advantages of high thermal conductivity and high specific heat, with outstanding heat transfer rate and heat storage density. In terms of thermal durability, the solid particles exhibit ultra-stable solar weighted absorptance, superior thermal shock resistance, and abrasion resistance.
Topological understanding of thermal conductivity in synthetic slag
To better understand the thermal science in BFS melts containing various alumina gangues, the present work systematically investigated the thermal conductivity of CaO-SiO 2-Al 2 O 3-MgO melts with 0–15 mol% Al 2 O 3 using transient hot-wire method in the temperature range of 1648 to 1823 K. A fundamental understanding of the thermal conduction behavior is …
Research on the Mechanical, Thermal, Induction Heating and …
In this paper, steel slag/steel fiber composite asphalt mixture were prepared. The effects of the addition of steel slag and/or steel fibers on the mechanical, thermal, induction heating and healing properties of asphalt mixture were investigated. The results showed that adding steel slag and/or steel fibers improves the water stability, particle loss resistance and fracture …
Road Performance, Thermal Conductivity, and …
Steel slag; rubber; thermal conductivity; temperature stress; asphalt mixture 1 Introduction Steel slag is a by-product of the steel making process. Recycled steel slag is used in the construction industry and agriculture, but a large amount of steel slag becomes discarded on the ground, imposing huge pressures on environmental protection.
Thermal Conductivity Evaluation and Road …
Results showed that active minerals such as iron oxides make the steel slag thermally conductive, while a large number of protrusions and micropores on the surface of the steel slag may be detrimental to thermal …
Enhancing the thermal conductivity of hot-mix asphalt
The thermal conductivity increased initially and then fell as the percentage of steel slag increased. The asphalt mixture including 60% steel slag instead of 3–5 mm aggregate (6.6% of the mixture) had a maximum thermal coefficient of 1.746 W / m . °C, which was only 4.78% of the predicted value.
Performance assessment of sustainable asphalt concrete …
The improved thermal conductivity of slag mixtures is attributed to the high iron oxide content in steel slag, a by-product of the steel industry. In contrast, natural aggregates …
Investigation on low-carbon shape-stable phase change …
The results showed that the carbon sequestration rate of the carbide slag-steel slag hybrid material could reach 24.48 %. The thermal storage density of sample C-SC4 reached 444.2 J/g, the thermal conductivity was 1.057 W/(m-K), …