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- aerodynamic stabilizing fins 空气动力安定面
- Attaching covers on the shaped liner, an explosively formed projectile (EFP) with stabilizing fins can be produced. 摘要应用在药型罩表面贴附惰性隔板的方法可以研制出尾翼稳定的爆炸成型弹丸(EFP)。
- Attaching covers on the shaped liner,an explosively formed projectile(EFP) with stabilizing fins can be produced. 应用在药型罩表面贴附惰性隔板的方法可以研制出尾翼稳定的爆炸成型弹丸(EFP)。
- A ship stabilizing fin controller based on the Internal Model Control(IMC)method is described in this paper. 摘要本文利用内模式控制方法,进行船舶稳定翼控制器之设计。
- So, it has most important significance to research the motions and the stabilizing fin of the SWATH ship. 加强对小水线面双体船纵向运动和稳定性的研究,具有重要而深远的影响。
- Through the analysis, in under this controller function, the stabilizing fin may provide the quite good sea keeping for the SWATH ship longitudinal motion. 通过分析,在该控制器的作用下,稳定鳍可为小水线面双体船的纵向运动提供比较良好的耐波性。
- The fourth part, has designed SWATH ship stabilizing fin PID and the optimum control, and conducts the simulation research and the comparison to its function effect. 第四部分,设计了小水线面双体船稳定鳍的PID和最优控制器,并对其作用效果进行仿真研究和比较。
- The self-tuning fuzzy control algorithm including a back-propagation-based fuzzy controller and the gradient descent method is applied to reduce the pitch motion of the SWATH ship with control stabilizing fins. 控制模式为一自调模糊控制,包括应用一类神经倒传递观念的模糊控制器及梯度下降法来减少纵摇运动。
- The results show that appropriate combined variable geometries can improve the engine aerodynamic stability greatly. 结果表明,恰当的组合变几何调节可显著的改善发动机的稳定工作范围。
- And, its aerodynamic stability was carefully checked in a newly constructed boundary layer large wind tunnel facility. 加劲梁已通过风洞试验表明具有足够的抗风强度。
- The qualitative considerations about aerodynamic stability for various EFP forms are proposed. 对各种不同EFP型式的气动稳定性提出了定性估计的方法;
- The test results indicate that, the girder and arch rib of Chongqing Caiyuanba bridge possess well aerodynamic stability. 试验结果表明,菜园坝长江大桥的主梁和拱肋具备良好气动稳定性。
- According to model results and comparison with flight test data,it is found that the model developed could be used to compute aerodynamic stability during turbofan engine startup. 从计算结果和与试验数据的对比可以看出,发展的计算涡扇发动机起动过程气动稳定性的数学模型和方法,给出的起动过程发动机共同工作线走向和燃烧室稳定性判断标准是合理的。
- In order to research lift stabilizer fin well, We must set up experiment installation of lift stabilizer fin. 尽管升力鳍有很多好处,目前国内外对升力鳍研究还处于实验室阶段,而研制升力鳍最好的工具就是在实验室建立升力鳍实验装置。
- A New Way of Explosively Formed Projectile with Stabilizing Fins 带尾翼爆炸成型弹丸的新技术
- The angular motion of the models during the quasi-steady flow was recorded by synchroflash and the aerodynamic stability coefficients were derived from the motions by parameter differential method. 采用同步高速摄影方法记录了20ms准定常试验时间中模型的角运动并用参数微分法进行气动参数辨识。
- A new model for simulating the effect of fuel injection oscillation in burner on the performanceand aerodynamic stability of the multi-stage axial compressor system with inlet steady pressure distortion is established. 建立了一种稳态压力畸变进气条件下,多级轴流压缩系统对燃烧室燃油瞬时脉冲的气动响应及气动稳定性分析的新方法;
- A quasi one-dimensional, stage-by-stage, nonlinear mathematical model for the axial fan and compression system aerodynamic stability has been constructed in the paper based on compressor stage characteristics. 本文基于多级轴流压气机的逐级特性,建立了一种分析航空发动机压缩系统气动稳定性的一维非线性数学模型。
- The study conducted by the authors indicates that the correlation-integral analysis regarding the above-mentioned static pressure signals can serve as a kind of effective means for monitoring and diagnosing the compressor aerodynamic stability. 研究还表明,压气机静子机匣壁面沿程静压信号的相关积分分析是进行压气机气动稳定性监控诊断的一种有效手段。
- Based on the 3D aerodynamic stability model,the related active control technique and the open-loop transfer function have been provided,in which the three dimensional flow effects are involved. 在轴流压气机三维气动稳定性模型的基础上,给出了考虑轴流压气机三维效应的主动控制模型及其传递函数。