分裂算法对流动燃烧系统守恒性的影响

来源 :高温气体动力学国家重点实验室2014年度夏季学术研讨会 | 被引量 : 0次 | 上传用户:HBFQYD2009
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本文讨论了现在所用的数值模拟方法中的分裂算法对流动燃烧系统守恒性的影响.分析结果认为,分裂算法会造成流动燃烧系统动量的不守恒.在此基础上,提出了对分裂算法进行修正的物理模型.利用该模型,模拟得到了准爆轰波.分析了准爆轰波的热力学特性,表明准爆轰波是热壅塞的,是声速附近的加热流动.模拟得到的准爆轰波特性跟实验结果吻合得很好,表明本文所讨论的物理问题及所提出的物理模型都是准确的.
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