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GUO Ang, GUO Wei jie, WANG Chiming, FENG Haibao. 船舶机舱机械通风数值模拟分析和优化设计[J]. Chinese Journal of Ship Research, 2014, 9(3): 93-98. DOI: 10.3969/j.issn.1673-3185.2014.03.014
Citation:
GUO Ang, GUO Wei jie, WANG Chiming, FENG Haibao. 船舶机舱机械通风数值模拟分析和优化设计[J]. Chinese Journal of Ship Research, 2014, 9(3): 93-98. DOI: 10.3969/j.issn.1673-3185.2014.03.014
GUO Ang, GUO Wei jie, WANG Chiming, FENG Haibao. 船舶机舱机械通风数值模拟分析和优化设计[J]. Chinese Journal of Ship Research, 2014, 9(3): 93-98. DOI: 10.3969/j.issn.1673-3185.2014.03.014
Citation:
GUO Ang, GUO Wei jie, WANG Chiming, FENG Haibao. 船舶机舱机械通风数值模拟分析和优化设计[J]. Chinese Journal of Ship Research, 2014, 9(3): 93-98. DOI: 10.3969/j.issn.1673-3185.2014.03.014
船舶机舱机械通风数值模拟分析和优化设计
GUO Ang
,
GUO Wei jie
,
WANG Chiming
,
FENG Haibao
Graphical Abstract
Graphical Abstract
Abstract
Abstract
某海监船在进行机舱机械通风效用试验时,发现存在舱内气流分布不均、风速梯度变化较大、部分船员操作和活动区域温度偏高等问题。为解决上述问题,利用CFD技术对该船机舱机械通风系统进行数值分析,并提出机舱气流改进方案。随后,选取优化前、后的典型截面进行分析,指出在保证舱内适当负压的情况下可将机械送风改为机械抽风,从而实现机舱进风量增加50%,并消除舱内气流大漩涡和改善气流组织。此外,还提出可在右舷开一个新增风口,以更有效消除气流漩涡,并降低局部温度。结果显示,该优化方案能够满足海船规范要求且施工方便,对于工程设计具有一定的参考价值。
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