入射角;
With the increase of fouling deposition thickness, the field synergy angle increased, proved that the heat exchange performance of the thread spiral pipes fall off.
随着污垢沉积厚度的增加,场协同角在不断增大,螺纹螺旋管的换热性能在下降。
Dynamic Impact Analysis of a Projectile/ Fuze System Impacting Against a Half-Infinite Target with a Small Angle of Fall
弹引系统以极大着角碰击半无限目标时的动力分析
Physical and mathematical models for the perforation of a projectile in a target are established with the assumption that the target is half-infinite in size and made of hard soil or concrete, and that the angle of fall is form 0 ° to 90 °.
建立了侵彻弹以任意姿态侵彻半无限混凝土目标介质时的物理和数学模型。
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