... dimensionless equation无因次方程 dimensionless factor无量纲因数 dimensionless group无因次变量组 ...
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... dimensionless coefficient 无因次系数 dimensionless factor 无量纲系数 dimensionless number 无量纲值 ...
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... dimensionless coefficient 无量纲系数，无因次系数 dimensionless factor 无量纲因子 dimensionless group 无因次数群 ...
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dimensionless stress intensity factor 无量纲应力强度因子
dimensionless geometric factor 量纲一体型因子
dimensionless separation factor 无量纲系数
dimensionless wellbore storage factor 无因次井筒贮存系数
A dimensionless factor of conical nozzle is defined combined with incident laser energy,energy deposit efficiency,ambient air pressure,generatrix length and semi-apex angle of nozzle,and it is extended to the study of parabolic nozzle.
提炼了由入射激光能量、能量沉积率、环境气体压强、喷管母线长度及其半顶角组合而成的圆锥形喷管无量纲因子,并将其推广到抛物形喷管的研究中。
参考来源 - 两种构形喷管的激光推进冲量耦合系数数值研究A dimensionless factor of conical nozzle is defined combined with incident laser energy,energy deposit efficiency,ambient air pressure,generatrix length and semi-apex angle of nozzle,and it is extended to the study of parabolic nozzle.
提炼了由入射激光能量、能量沉积率、环境气体压强、喷管母线长度及其半顶角组合而成的圆锥形喷管无量纲因子,并将其推广到抛物形喷管的研究中。
参考来源 - 两种构形喷管的激光推进冲量耦合系数数值研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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