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DEVICE FOR DETERMINATION OF AERO-DYNAMIC CHARACTERISTICS OF MODEL IN SUPERSONIC AERO-DYNAMIC PIPE

机译:超音速气动管道模型气动特性的确定装置

摘要

FIELD: machine building.;SUBSTANCE: device for determination of aero-dynamic characteristics of model in supersonic aero-dynamic pipe consists of model with removable head part secured on strain balance by landing it on conic part and fixed with bolt. Further, the device consists of a strain station and a control unit located in aero-dynamic pipe and connected with a holder installed in the pipe. A cartridge with holes and spiral grooves outside is secured inside a case of the model and is installed on the strain balance by means of a sub with two cavities with holes and a stop. The spiral grooves connected with a cooling system positioned in a laboratory by means of a hole in the cartridge and cavity.;EFFECT: upgraded accuracy, reliability of measurement of aero-dynamic characteristics of model, reduced cost at tests in supersonic aero-dynamic pipe and reduced time of tests.;1 dwg
机译:领域:机械制造;物质:用于确定超音速空气动力学管道中模型的空气动力学特性的装置,该模型由具有可移动头部的模型组成,该头部通过将其降落在圆锥形部分上并用螺栓固定,从而确保了应变平衡。此外,该设备由应变站和控制单元组成,控制单元位于气动管道中,并与安装在管道中的支架相连。外部带有孔和螺旋槽的滤芯固定在模型的外壳内,并通过带有两个带孔和挡块的腔体的子阀安装在应变平衡仪上。螺旋槽通过药筒和腔体中的孔与位于实验室中的冷却系统相连;效果:提高了精度,提高了模型气动特性的测量可靠性,降低了超音速气动管的测试成本并减少了测试时间。; 1 dwg

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