冷风机除霜始点的优化控制
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S379.3 TB657

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OPTIMAL CONTROL OF INITIAL DEFROSTING POINT IN AIR COOLER
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    摘要:

    本文以小型冷库的冷风机为具体研究对象,对冷风机运行过程中因结霜引起的电机电流、风机转速、蒸发温度和进出风压差等特性参数的变化规律,进行了实验研究和理论分析,提出了冷风机节能除霜始点优化控制方案及其工艺条件.结果表明,正确选择表征结霜状态的特性参数和优化的除霜工艺条件,对节约能源和提高制冷装置自动化程度,具有重要意义。

    Abstract:

    In this paper the temperature of vaporization caused by the sur- face area of defrosting heat exchange, the wind pressure difference at inlet and outlet, andthe electric current of motor as well as its rotating speed during the air cooler runningwere experimentally and theoretically studied. Besides, optimal control of the initialdefrosting point in the air cooler and the technology for energy saving during defrosting were elucidated. The experimental results showed that the proper selection ofcontrolled defrost method would significantly improve the technology of defrosting inthe air cooler, expand the extent of automation in the refrigeration system and realizethe energy saving during operation.

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葛茂泉 周红.冷风机除霜始点的优化控制[J].上海海洋大学学报,1993,(1):24-33.
Ge Mao-quan, Zhou Hong Department of Food Science, Technology. SFU,. OPTIMAL CONTROL OF INITIAL DEFROSTING POINT IN AIR COOLER[J]. Journal of Shanghai Ocean University,1993,(1):24-33.

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