第三代CSP安全壳材料的高温热物性测量

Sonja Brankovic, Bettina K. Arkhurst, Andrey Gunawan, S. Yee
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引用次数: 1

摘要

美国能源部(DOE)发起了一项旨在提高聚光太阳能(CSP)系统热效率的倡议。为了接近传统的化石燃料发电,CSP电力循环的工作温度必须超过700°C,并集成热能储存。用于容纳这种高温传热介质的材料必须具有热稳定性和耐腐蚀性。然而,常用的安全壳材料(镍合金和铝基耐火砖)的温度依赖性热物理特性不是为人熟知就是知之甚少。在本报告中,使用激光闪光分析和差示扫描量热法测试了由CSP团体提出的13种候选容器材料的高温热性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High-Temperature Thermophysical Property Measurement of Proposed Gen3 CSP Containment Materials
The US Department of Energy (DOE) has sponsored an initiative to improve the thermal efficiency of Concentrating Solar Power (CSP) systems. To approach parity with conventional fossil fuel-based electricity generation, the operating temperature of the CSP power cycle must exceed 700°C with integrated thermal energy storage. The materials used to house this high-temperature heat transfer media must be thermally stable and corrosion resistant. However, the temperature-dependent thermophysical properties of commonly used containment materials (nickel alloys and alumina-based firebricks) are either not well known or poorly understood. In this report, the high-temperature thermal properties of thirteen (13) candidate containment materials proposed by the CSP community are tested using laser flash analysis and differential scanning calorimetry.
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