针对充气式浮囊无人潜航器的充气上浮过程展开研究,重点分析浮囊充气过程对无人潜航器运动过程的影响。首先,对无人潜航器上浮过程进行受力分析,建立了潜航器停车后的运动模型,并以浮囊的延迟充气时间和充气过程时间为影响潜航器运动过...针对充气式浮囊无人潜航器的充气上浮过程展开研究,重点分析浮囊充气过程对无人潜航器运动过程的影响。首先,对无人潜航器上浮过程进行受力分析,建立了潜航器停车后的运动模型,并以浮囊的延迟充气时间和充气过程时间为影响潜航器运动过程的关键设计因子,以无人潜航器运行的最大深度和浮囊所受的最大阻力为设计目标,开展了潜航器运动过程DOE(design of experiment,试验设计)分析。通过分析得到了浮囊的延迟充气时间和充气过程时间与无人潜航器的最大深度和浮囊所受的最大阻力的关系,同时得到了设计因子交互效应和主效应曲线,以及相关性图和Pareto图。通过模型分析,明确了浮囊的延迟充气时间为影响无人潜航器上浮运动过程的主要因素,为无人潜航器的浮囊式上浮装置的理论研究和工程设计提供了参考。展开更多
The structures, energetics, and isomerization of a possible interstellar [Si, O, S] system were explored at the CCSD（T）/aug-cc-pVQZ//CCSD（T）/aug-cc-pVTZ level. On the schemaitc potential energy surface（PES）, we ...The structures, energetics, and isomerization of a possible interstellar [Si, O, S] system were explored at the CCSD（T）/aug-cc-pVQZ//CCSD（T）/aug-cc-pVTZ level. On the schemaitc potential energy surface（PES）, we found that silicon oxysulfide（OSiS） produced in laboratory is the global minimum. An analysis of the Wiberg bond index（WBI）, bond order and the bond length, shows that silicon oxysulfide contains SiO and SiS double bonds in ac- cordance with the results of SchnOckel. Besides silicon oxysulfide, another interesting cyclic minimum（c-SiOS） was found to have a very high kinetic stability stabilized by the least barrier of 120.9 kJ/mol. In light of the fact that no cyclic sulfide-containing species has been detected in space, c-SiOS could be a very promising candidate. The presented results might provide useful information on detected interstellar molecules O=Si=S and c-SiOS.展开更多
文摘针对充气式浮囊无人潜航器的充气上浮过程展开研究,重点分析浮囊充气过程对无人潜航器运动过程的影响。首先,对无人潜航器上浮过程进行受力分析,建立了潜航器停车后的运动模型,并以浮囊的延迟充气时间和充气过程时间为影响潜航器运动过程的关键设计因子,以无人潜航器运行的最大深度和浮囊所受的最大阻力为设计目标,开展了潜航器运动过程DOE(design of experiment,试验设计)分析。通过分析得到了浮囊的延迟充气时间和充气过程时间与无人潜航器的最大深度和浮囊所受的最大阻力的关系,同时得到了设计因子交互效应和主效应曲线,以及相关性图和Pareto图。通过模型分析,明确了浮囊的延迟充气时间为影响无人潜航器上浮运动过程的主要因素,为无人潜航器的浮囊式上浮装置的理论研究和工程设计提供了参考。
基金Supported by the Natural Science Foundation of Ningxia Hui Autonemous Region, China（No.NZ 1105）.
文摘The structures, energetics, and isomerization of a possible interstellar [Si, O, S] system were explored at the CCSD（T）/aug-cc-pVQZ//CCSD（T）/aug-cc-pVTZ level. On the schemaitc potential energy surface（PES）, we found that silicon oxysulfide（OSiS） produced in laboratory is the global minimum. An analysis of the Wiberg bond index（WBI）, bond order and the bond length, shows that silicon oxysulfide contains SiO and SiS double bonds in ac- cordance with the results of SchnOckel. Besides silicon oxysulfide, another interesting cyclic minimum（c-SiOS） was found to have a very high kinetic stability stabilized by the least barrier of 120.9 kJ/mol. In light of the fact that no cyclic sulfide-containing species has been detected in space, c-SiOS could be a very promising candidate. The presented results might provide useful information on detected interstellar molecules O=Si=S and c-SiOS.
