HEAT TRANSFER IN HIGH-PRESSURE CARBON DIOXIDE

机译：高压二氧化碳的传热

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For the design of heat exchangers for carbon dioxide at near- or supercritical pressure, a large amount of Nusselt-relations is given in literature. Since these relations are fitted with experimental data, they can only be used for a limited range of conditions (pressure, temperature, flow rate, etc.). To be able to choose the right Nusselt relation for a certain set of conditions, an overview is desirable that covers all practical process conditions with a limited number of Nusselt relations. In this work CFD-simulations are used to investigate the range in which the widely-used Nusselt relation by Krasnoshchekov and Protopopov can be used. It was found that it can be used not only for the case it was constructed for (heating a downward flow) but also for cooling an upward flow.

机译：对于近或超临界压力下的二氧化碳热交换器的设计，文献中给出了大量的努塞尔关系。由于这些关系符合实验数据，因此只能用于有限范围的条件（压力，温度，流速等）。为了能够为一组特定条件选择正确的Nusselt关系，需要一个概述，其中涵盖了Nusselt关系数量有限的所有实际过程条件。在这项工作中，使用CFD模拟来研究可使用Krasnoshchekov和Protopopov广泛使用的Nusselt关系的范围。已经发现，它不仅可以用于构造（加热向下流）的情况，而且可以用于冷却向上流的情况。

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来源
《International Symposium on Supercritical Fluids Tome 1: Natural Products, Process amp; Equipment Development; 20030428-20030430; Versailles; FR》|2003年|P.571-576|共6页
会议地点 Versailles(FR)
作者
M. Van der Kraan; M. Peeters; M.V. Fernandez Cid; G.F. Woerlee; W.J.T. Veugelers; G.J. Witkamp;
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Delft University of Technology, Leeghwaterstraat 44, 2628CA Delft, The Netherlands;

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原文格式 PDF
正文语种 eng
中图分类凝聚状态与相变;
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机译：超临界压力下水平直管中二氧化碳传热的数值研究
7. Discussion: “Thermal Conductivity and Prandtl Number of Carbon Dioxide and Carbon-Dioxide Air Mixtures at One Atmosphere” (Novotny, Jerome L., and Irvine, Jr., Thomas F., 1961, ASME J. Heat Transfer, 83, pp. 125–131) [O] . Charles F. Bonilla 1961

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8. Heat Transfer in Turbulent Supercritical Carbon Dioxide Flowing in a Heated Horizontal Tube. [R] . Olson, D. A., Allen, D. 1998

机译：湍流超临界二氧化碳在加热水平管内流动的传热。

HEAT TRANSFER IN HIGH-PRESSURE CARBON DIOXIDE

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