Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
Japan Aerospace Exploration Agency (JAXA)
German Aerospace Center (DLR)
German Aerospace Center (DLR)
43rd Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2011 (July 7-8, 2011. Waseda University, International Conference Center), Tokyo Japan
抄録（英）
A novel force measurement technique has been developed at the impulsive facility HIEST, in which the test model is completely non-restrained for the duration of the test, so it experiences completely free-flight conditions for a period on the order of mlliseconds. This technique was demondrated with a three-component aerodynamic force measurment with a blunted cone of total length 318 mm and a total mass of 22 kg. In the present wind tunnel test campaign, records of pressure, axial force, nominal force and pitching moment were obtained under conditions of H(sub 0)=4MJ/kg, P(sub 0)=14MPa. This demonstrated that the sysem worked correctly in the short test duration and harsh conditions typical of HIET. Use of this data-logger allows the elimination of a large-diameter sting, ending concerns about the sting's interference with the base flow of the model, which could cause serious errors in measurement in wind tunnel tests.
内容記述
形態: カラー図版あり
内容記述（英）
Physical characteristics: Original contains color illustrations
模型内蔵型データロガーを用いた衝撃風洞での力計測
65207031.pdf
(901.76KB)
