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DESIGN CONSIDERATIONS FOR HIGH TEMPERATURE, CERAMIC HEAT EXCHANGERS

机译:高温陶瓷换热器的设计注意事项

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The recent developments in the energy industry have kindled renewed interest in producing energy (alternative fuels and electricity) more efficiently~1. This has motivated the development of higher temperature cycles and their associated equipment. In this paper we will discuss several design configurations coupled with the inherent properties of preferred ceramic materials to assess the viability and design reliability of ceramic heat exchangers for next generation high temperature heat exchangers. These analyses have been extended to conceptually compare the traditional shell and tube heat exchanger with shell and plate heat exchangers. These analyses include hydrodynamic, heat transfer, mechanical stress and reliability models. It was found that ceramic micro-channel heat exchanger designs proved to have the greatest reliability due to their inherent mechanical properties, minimal thermo-mechanical stresses while improving the performance efficiency in a compact footprint.
机译:能源行业的最新发展激发了人们对更高效地生产能源(替代燃料和电力)的兴趣[1]。这激励了更高温度循环及其相关设备的发展。在本文中,我们将讨论几种设计配置以及首选陶瓷材料的固有特性,以评估下一代高温热交换器的陶瓷热交换器的可行性和设计可靠性。这些分析已经扩展到概念上比较传统的管壳式换热器和板壳式换热器。这些分析包括流体动力学,传热,机械应力和可靠性模型。人们发现,陶瓷微通道换热器设计具有固有的机械性能,最小的热机械应力,同时在紧凑的占地面积内提高了性能效率,因此被证明具有最高的可靠性。

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