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摇摆对单相强迫循环流量波动特性的影响机理

DOI: 10.3969/j.issn.1006??7043.201306020

Keywords: 摇摆运动, 强迫循环, 流量波动, 驱动压头, 理论模型, 影响机理

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Abstract:

针对摇摆条件下的单相强迫循环流量瞬变特性开展流量波动影响机理研究。通过调节离心泵转速、阀门状态及摇摆参数分析驱动压头、回路阻力及附加压降对流量波动幅值的影响。通过建立摇摆条件下单相流量波动方程,系统地揭示摇摆运动的影响机理.结果表明,增加驱动压头和回路阻力使得相对流量波动幅值减小,增加附加压降使得相对流量波动幅值增大。当驱动压头大于附加压降幅值的10~11倍时,摇摆对单相强迫循环流量波动的影响可忽略。流量波动方程分析结果与流量波动实验结果有很好的一致性。

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