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CHEN Yan, CAI Lin. 管路阻力计算方法对调节阀性能预测结果的影响[J]. Chinese Journal of Ship Research, 2015, 10(4): 137-142. DOI: 10.3969/j.issn.1673-3185.2015.04.021
Citation:
CHEN Yan, CAI Lin. 管路阻力计算方法对调节阀性能预测结果的影响[J]. Chinese Journal of Ship Research, 2015, 10(4): 137-142. DOI: 10.3969/j.issn.1673-3185.2015.04.021
CHEN Yan, CAI Lin. 管路阻力计算方法对调节阀性能预测结果的影响[J]. Chinese Journal of Ship Research, 2015, 10(4): 137-142. DOI: 10.3969/j.issn.1673-3185.2015.04.021
Citation:
CHEN Yan, CAI Lin. 管路阻力计算方法对调节阀性能预测结果的影响[J]. Chinese Journal of Ship Research, 2015, 10(4): 137-142. DOI: 10.3969/j.issn.1673-3185.2015.04.021
管路阻力计算方法对调节阀性能预测结果的影响
CHEN Yan
,
CAI Lin
Graphical Abstract
Abstract
Abstract
为研究不同管路阻力计算方法对调节阀性能预测结果的影响,对比分析一维经验公式和三维计算流体力学(CFD)管路阻力计算方法的计算结果;结合阻力计算结果,对某过热蒸汽调节阀的工作流量特性进行计算分析。结果表明:管路阻力的三维CFD计算结果与实际更接近,在调节阀的实际调节特性预测中,不同管路阻力计算方法对调节阀流量特性计算结果的影响不可忽略,在过热蒸汽预期流量为34 kg/s时,采用管路阻力一维经验公式和三维CFD计算方法预测的调节阀流量特性相差5.03%。
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