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Measuring of the dynamic load by use of strain-gauge balance axial component

机译:通过使用应变仪平衡轴向部件测量动态负荷

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The article is devoted to the dynamic force measurement using multicomponent strain-gauge balance in various fields of technology, including experimental studies in wind tunnels. Experimental studies were carried out, involving ground vibration tests of the balance and applying a step axial force to an aircraft model mounted on six-component strain-gauge. A mathematical model of the axial component of strain-gauge balance for measuring the dynamic axial force was proposed. Applicability of the static balance matrix for the measurement of dynamic loads was validated by the experimental results using vibration rig. A method was developed for determining the dynamic force, including the aerodynamic one, by axial component of strain-gauge balance. The developed method was verified for cases of application of step and harmonic forces.
机译:本文致力于在各种技术领域中使用多组分应变仪平衡的动态力测量,包括风隧道的实验研究。进行了实验研究,涉及平衡的地面振动试验,并将台阶轴向施加到安装在六组件应变计上的飞机模型。提出了一种用于测量动态轴向力的应变计平衡的轴分量的数学模型。使用振动钻机的实验结果验证了静态平衡矩阵对测量动态载荷的适用性。开发了一种用于确定动态力的方法,包括轴向组分的应变计平衡。验证了开发的方法,以便应用步骤和谐波的应用。

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