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Investigation on humidification performance of silica gel rotary wheel system in winter

机译：冬季硅胶旋转轮系统加湿性能调查

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摘要

In this study, performance of silica gel rotary wheel system (SRWS) to increase humidity of indoor air in winter is investigated in China. First, an experimental setup is built up to obtain humidification performance of the system under Shanghai winter conditions, and effects of main operation parameters are analyzed. Results show that SRWS can provide satisfied humidification capacity. Then, a mathematical model which is validated by experimental data is established to investigate the feasibility of SRWS in other climatic regions. It is found that SRWS is not recommended in extremely cold areas with low relative humidity. While, it is appropriate for areas with ambient air temperature from -10 to 10 degrees C and it can realize required humidification effect in a short time. The humidification performance is outstanding in these areas even if the regeneration temperature is only 40 degrees C and the temperature can be increased according to the requirements of different occasions, during which low-grade thermal energy can be efficiently adopted. Besides, to achieve the best humidification performance, 8 r/h is recommended as an ideal rotary speed and the volumetric flow rate ratio between process and regeneration air can be set as 1.75.
机译：在这项研究中，在中国研究了硅胶旋转轮系统（SRW）以增加冬季室内空气湿度的性能。首先，建立了实验设置，以获得上海冬季条件下系统的加湿性能，分析了主要操作参数的影响。结果表明，SRW可以提供满足的加湿能力。然后，建立了通过实验数据验证的数学模型，以研究SRW在其他气候区域的可行性。结果发现，不建议使用低相对湿度的寒冷地区的SRW。虽然，环境空气温度从-10到10摄氏度的区域适合，并且它可以在短时间内实现所需的加湿效果。即使再生温度仅为40摄氏度，加湿性能也突出，并且可以根据不同场合的要求增加温度，在此期间可以有效采用低级热能。此外，为了实现最佳加湿性能，建议使用8 r / h作为理想的旋转速度，并且工艺和再生空气之间的体积流量比可以设定为1.75。

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  • 来源
    《Building and Environment》 |2020年第10期|107064.1-107064.11|共11页
  • 作者

    Yang F.; Wu X. N.; Peng J. J.; Ge T. S.; Dai Y. J.; Wang R. Z.;

  • 作者单位

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Silica gel rotary wheel system; Humidifying capacity; Humidification performance; Winter;

    机译：硅胶旋转轮系统;加湿能力;加湿性能;冬天;

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