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航空不锈钢编织软管压力脉动特性研究
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Study of Pressure Pulsation Characteristics of Stainless Steel Braided Aviation Hose
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    摘要:

    航空不锈钢编织软管作为航空液压系统中占比庞大的元件,自身存在较大的弹性,对系统影响比硬管更大。目前许多研究将压力差比拟为电压,把流量比拟为电流,从而建立起包含液阻、液容、液感的流体网络。为了建立航空不锈钢编织软管的压力传递模型,建立双编织层软管的本构模型进行软管形变行为预测,得到航空不锈钢编织软管传递模型关键参数——液容的解析模型,最终建立了考虑软管形变行为的电学比拟模型。Simulink仿真结果强调了编织钢丝直径、编织角度、编织股数和每股钢丝数对软管液容和软管压力传递的影响,并通过相同条件下的实验初步验证了所提模型的准确性。

    Abstract:

    Stainless steel braided aviation hose has a large proportion in aviation hydraulic system components,and its own large elasticity has a greater impact on the system compared with hard tube.At present,in many studies,pressure is compared to voltage and flow to current,so as to establish a fluid network including liquid resistance,liquid capacitance,and liquid sensation.In order to establish the pressure transfer model of the stainless steel braided aviation hose,the constitutive model of the double braided hose was established to predict the deformation behavior,and the analytical solution of the key parameter of the transfer model-the liquid capacitance was obtained.Finally,the electrical analogy model was established considering the deformation behavior of the stainless steel braided aviation hose.The Simulink model emphasized the influence of wire diameter,braided angle,the number of bundles and the number of wires per bundle on liquid capacitance and hose pressure transfer.The accuracy of the proposed model was preliminarily verified by experiments under the same conditions.

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赵龙超,李新浩,姚静,杨帅,张乾瑞.航空不锈钢编织软管压力脉动特性研究[J].机床与液压,2023,51(14):54-62.
ZHAO Longchao, LI Xinhao, YAO Jing, YANG Shuai, ZHANG Qianrui. Study of Pressure Pulsation Characteristics of Stainless Steel Braided Aviation Hose[J]. Machine Tool & Hydraulics,2023,51(14):54-62

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  • 在线发布日期: 2023-08-28
  • 出版日期: 2023-07-28