Eutectic molten salt MgCl2-KClis was considered as a high temperature heat transfer and thermal storage fluid, being able to work at temperatures up to 800 °C for concentrating solar thermal power. Thermophysical properties including vapor pressure, heat capacity, density, viscosity, and thermal conductivity, and the behavior of the corrosion of high temperature nickel-based alloys in the eutectic salt are investigated and reported in this work. Corrosion studies were carried out and measured at a temperature up to 800 °C over a time span of one week to one month. Low corrosion rate was observed for two types of high temperature nickel-based alloys under the environment that the salt is strictly processed to have a very low level of water and oxygen.
- Heat Transfer Division
Investigation of Properties of KCl-MgCl2 Eutectic Salt for Heat Transfer and Thermal Storage Fluids in CSP Systems
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Wang, X, Xu, X, Elsentriecy, H, Gervasio, D, Li, P, Li, Y, Hao, Q, & Xiao, B. "Investigation of Properties of KCl-MgCl2 Eutectic Salt for Heat Transfer and Thermal Storage Fluids in CSP Systems." Proceedings of the ASME 2017 Heat Transfer Summer Conference. Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing. Bellevue, Washington, USA. July 9–12, 2017. V002T15A005. ASME. https://doi.org/10.1115/HT2017-4766
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