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首页> 外文期刊>Experimental Heat Transfer >CRYSTALLIZATION FOULING IN EXPERIMENTAL MICRO HEAT EXCHANGERS-OPTICAL AND THERMAL INVESTIGATIONS
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CRYSTALLIZATION FOULING IN EXPERIMENTAL MICRO HEAT EXCHANGERS-OPTICAL AND THERMAL INVESTIGATIONS

机译:实验性微换热器中的结晶化现象-光学和热学研究

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摘要

The intention of this work is the basic investigations of the fouling behavior in micro heat exchangers. Therefore fouling experiments with calcium carbonate (CaCO_3) in an experimental micro heat exchanger were carried out and observed with a digital microscope. The investigations included local temperature measurements confirmed by computational fluid dynamics simulation as well as optical visualization of the fouling process inside the microchannels. The detected fouling resistances R_f were in the range of 10~(-5)-10~(-4) m~2 K W~(-1). Cleaning in place was possible and also optically observed.
机译:这项工作的目的是对微型热交换器中结垢行为的基础研究。因此,在实验用微型热交换器中进行了碳酸钙(CaCO_3)结垢实验,并用数字显微镜进行了观察。这些调查包括通过计算流体动力学模拟以及微通道内部结垢过程的光学可视化确认的局部温度测量。测得的防污性R_f在10〜(-5)-10〜(-4)m〜2 K W〜(-1)的范围内。可以进行原地清洁,也可以进行光学观察。

著录项

  • 来源
    《Experimental Heat Transfer》 |2013年第5期|487-502|共16页
  • 作者单位

    Technische Universitaet Braunschweig, Institute for Chemical and Thermal Process Engineering (ICTV), Langer Kamp 7, 38106 Braunschweig, Germany;

    Karlsruhe Institute of Technology (KIT), Institute for Micro Process Engineering (IMVT), Eggenstein-Leopoldshafen, Germany;

    Karlsruhe Institute of Technology (KIT), Institute for Micro Process Engineering (IMVT), Eggenstein-Leopoldshafen, Germany;

    Karlsruhe Institute of Technology (KIT), Institute for Micro Process Engineering (IMVT), Eggenstein-Leopoldshafen, Germany;

    Technische Universitaet Braunschweig, Institute for Chemical and Thermal Process Engineering (ICTV), Braunschweig, Germany;

    Technische Universitaet Braunschweig, Institute for Chemical and Thermal Process Engineering (ICTV), Braunschweig, 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

    micro heat exchanger; crystallization fouling; cleaning in place; digital microscopy; computational fluid dynamics;

    机译:微型热交换器结晶结垢清洁到位;数字显微镜计算流体动力学;

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