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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat transfer and pressure drop of CO_2 hydrate mixture in pipeline
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Heat transfer and pressure drop of CO_2 hydrate mixture in pipeline

机译：管道中CO_2水合物混合物的传热和压降

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摘要

CO_2 hydrate formation in CO_2 pipelines presents a challenge for the scientific world and the carbon capture and storage (CCS) chain. Although the formation of CO_2 hydrate is not desirable, it can be essential for understanding and predicting the behavior of the flow once it forms within CO_2-rich streams during transportation in land-based pipelines. In-tube heat transfer and pressure drop characteristics associated with the formation and the dissociation of CO_2 hydrate in CO_2 gas streams were experimentally investigated under soil surroundings. The results indicated that the continuous hydrate formation was significantly dependent on the temperature difference between the surroundings and the CO_2 hydrate mixture. The heat transfer coefficient and pressure drop at the experimental conditions ranged from 54 to 2883 W/m~2 K and from 101 to 996 kPa, respectively.
机译：CO_2管道中CO_2水合物的形成对科学界和碳捕获与封存（CCS）链提出了挑战。尽管不希望形成CO_2水合物，但对于在陆上管道运输过程中在富含CO_2的水流中形成流动之后，了解和预测流动的行为可能至关重要。在土壤环境下，通过实验研究了与CO_2气流中CO_2水合物的形成和分解有关的管内传热和压降特性。结果表明，水合物的连续形成明显取决于环境与CO_2水合物混合物之间的温差。实验条件下的传热系数和压降分别为54至2883 W / m〜2 K和101至996 kPa。

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