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Experimental investigation of compact silicon carbide heat exchangers for high temperatures

机译：紧凑型高温碳化硅热交换器的实验研究

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摘要

The results of experimental investigations of novel ceramic high-temperature heat exchangers (HTHE) and its main characteristics such as effectiveness and power load as a function of mass flow and the geometry of the channels are presented. Firstly, some information on the background and the manufacturing of the HTHE, which is based on honey comb structures made out of extruded silicon carbide, is given. The experimental tests have been carried out with air as a heat transfer medium at temperatures of up to 1000 °C. The experimental set-up is described in detail. The acquired characteristic temperature and effectiveness data for different inlet temperatures and mass flows are discussed. They have been compared with data from theoretical calculations as well as with characteristic data of typical counter flow heat exchangers. Additionally, thermal shock tests have been carried out for a qualitative testing of the mechanical strength. Finally, a conclusion and an outlook on further activities are given.
机译：介绍了新型陶瓷高温换热器（HTHE）的实验研究结果以及其主要特性，例如效率和功率负载随质量流量和通道几何形状的变化。首先，给出了有关HTHE的背景和制造的一些信息，该技术基于由挤压碳化硅制成的蜜梳结构。已经在高达1000°C的温度下以空气作为传热介质进行了实验测试。详细介绍了实验设置。讨论了获得的不同入口温度和质量流量的特征温度和有效性数据。它们已与理论计算的数据以及典型逆流热交换器的特征数据进行了比较。另外，已经进行了热冲击测试以对机械强度进行定性测试。最后，给出了结论和对进一步活动的展望。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2011年第20期|p.4175-4181|共7页
  • 作者

    Thomas Fend; Wilhelm Voe1ker; Rolf Miebach; Olena Smirnova; Daniel Gonsior; Daniel Schbllgen; Peter Rietbrock;

  • 作者单位

    German Aerospace Center, Institute of Technical Thermodynamics, Under Hone, 5U47 Koln, Germany;

    Saint Gobain Industriekeramik Rodental GmbH, Postfach 1144, 96466 Rodental, Germany;

    Deutz AG, Ottostraβe I, 51749 Kbln, Germany;

    German Aerospace Center, Institute of Technical Thermodynamics, Under Hone, 5U47 Koln, Germany;

    Solar-lnstitut Jtilich, Heinrich-MuJSmann-Strafie 5, 52428 Julich, Germany;

    German Aerospace Center, Institute of Technical Thermodynamics, Under Hone, 5U47 Koln, Germany;

    German Aerospace Center, Institute of Technical Thermodynamics, Under Hone, 5U47 Koln, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    compact heat exchanger; silicon carbide; high temperature;

    机译：紧凑型热交换器碳化硅高温;

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