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METHOD OF MODELLING FULL-SCALE UNSTEADY FLOW OF BLADE SECTION OF HELICOPTER ROTOR IN AERODYNAMIC TUNNEL

机译：航空隧道中直升机旋翼桨叶全尺寸非定常流动的建模方法

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摘要

FIELD: aviation.;SUBSTANCE: method includes blowing of blade section model with regularly pulsating flow, periodic variation of angle of attack of the model, in this case control of selectors of flow rate pulsation frequency and pulsation frequency of angle of attack of the model is carried out by means of phase shifter, the control signal for which is generated during the experiment in aerodynamic tunnel on the basis of measurements of flow rate and angle of attack of the model.;EFFECT: improving the modelling quality during tests.;1 dwg

机译：领域：航空;实体：方法包括以规则的脉动流吹动叶片截面模型，模型迎角的周期性变化，在这种情况下控制模型的流速脉动频率和迎角的脉动频率的选择器通过移相器进行控制，该移相器是在实验过程中根据模型的流速和迎角的测量结果在空气动力学隧道中生成的控制信号;效果：在测试过程中提高了建模质量。; 1 dwg

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公开/公告号RU2553423C1

专利类型
公开/公告日2015-06-10

原文格式PDF
申请/专利权人 FEDERALNOE GOSUDARSTVENNOE UNITARNOE PREDPRIJATIE TSENTRALNYJ AEHROGIDRODINAMICHESKIJ INSTITUT IMENI PROF. N.E. ZHUKOVSKOGO (FGUP TSAGI);
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申请/专利号RU20130156532
发明设计人 BATURA NIKOLAJ IVANOVICH;KARTASHEV JURIJ VALENTINOVICH;GOLOVKIN MIKHAIL ALEKSEEVICH;EGOROV SERGEJ VITALEVICH;TINJAKOV DMITRIJ ALEKSANDROVICH;LAZAREV LEV IVANOVICH;RJABOKON MIKHAIL PARFENOVICH;
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申请日2013-12-20
分类号G01M9/00;
国家 RU
入库时间 2022-08-21 14:56:21

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