スペースプラズマ研究会-赤星.ppt

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1 Pauline Faure (1: 2: JAXA 3: IHI) IHI (C)(No ) ISAS(JAXA) ISO TC20/SC14 / (Spall) 60~90% 2 (Cone) 1% (Jetting) CDV11227 Committee Draft for Comments

2 CDV11227 Witness plate Sabot separation plate Velocity measurement section Launch tube Pump tube powder room : :50 mm 50 mm 20 mm : Target Sabot separation section Polyester film Test chamber 40 Pa 0.1 Pa Pa Sabot High pressure coupling Blast tank Two-stage light gas gun 50 mm or 100mm Al km/sec : (Al 1050) : :1 mm : 1.4 mg :4 km/sec :(JIS H3100 C1100-1/4HC1100P-O) :180 mm 150 mm 2 mm :30 mm :

3 Traverse equipment Lens Display Motor Testing bench Microscope system Microscope Magnification Resolution [pixels] per pixel [um] 35 ~ x ~ 2 Scanning direction scan feed Results (09-101) Cone Spall ~ 0.05 mm ~ ~ ~ ~ ~ ~ ~ target 33deg projectile about130mm 100 mm witness plate Distribution of Craters on Witness Plate No ~ ~ ~ ~ ~ No. 0.2 ~ ~ ~ ~ ~

4 Experimental Results Test number Alloy and temper C1100P -1/4H Surface treatment Distance between T and WP Impact velocity [km/ sec] Ejecta mass [mg] Zenith angles of ejection [deg] Crater diame ter Spall diame ter Cone Diam eter Buffing C1100P -O C1100P -1/4H Chemical polishing Buffing Nothing Two-stage light gas gun of ISAS (JAXA) Ejecta Experiments at JAXA/ISAS Bore : 7mm Velocity : km/s Operation : 3 shots/day Manufacturer : PAI Experiments at JAXA/ISAS on April 12, 2010 High Speed Video Shot No.1 at ISAS ISAS KIT Projec,le Al 2017 Al 1050 Target Same Same Witness plate Same Same Impact velocity [km/sec] 5 4 Vacuum [Pa] Experimental results Shot No. 1 V= 4.88 km/sec, Witness plate Target: 100 mm Recoding rate: 500 kfps, Pixels: 312 x 260 pixels

5 Experiment results Projectile V=4.88k/s T= -14usec T= 0usec (impact) Target aber experiment (Shot. No. 1) Witness plate aber experiment (Shot. No. 1) T= 38usec Ejecta T= 98usec Test number Impact velocity [km/sec] Ejecta mass [mg] Fixing of target Shot No Supported by rubber sponge with rectangular hole Shot No Supported by rubber sponge CFRP

6 平成22年度 スペースプラズマ研究会 2011/3/3 Target Supporter for Space Component Target Target-1 : solar array coupon : 100 mm 100 mm 25 mm 平成22年度 スペースプラズマ研究会 2011/3/3 Target-1 Solar Array Coupon Target-2 : aluminum honeycom (2 models) : 100 mm 150 mm 25 mm Target is fixed by two aluminum plates. Solar Cell (155 µm) Coverglass(100 µm) Adhesive Kapton (50 µm) Projectile 100 mm Material : aluminum (JIS H4040 A2017) Shape : sphere : diameter of Impact velocity: around 5km/sec 100 mm CFRP (276 µm) Aluminum honeycomb 25.4 mm Witness plate Material : Copper(JIS H3100 C1100-1/4H) Hole diameter : 30 mm at its center Surface : polished 九州工業大学 計算力学研究室 21 九州工業大学 計算力学研究室 22 平成22年度 スペースプラズマ研究会 2011/3/3 平成22年度 スペースプラズマ研究会 2011/3/3 実験前後のウィットネスプレート Microscope No Motor No No Front side Traverse Eq. Magnification Resolution [pixel] size per pixel [um/pixel] 九州工業大学 24 計算力学研究室 Rear side 九州工業大学 26 計算力学研究室 6

7 6.3.2 The fundamental analysis of test results will be documented in a tabular form, as shown in the Table 1: Table 1. Fundamental Analysis for Test results (xxx: values to be filled in after the tests) Test No. Impact velocity [km/s] Ejected mass [mg] side to 0.05 Number of craters 0.05 to to 1 > 1 Total front rear front rear front rear Table 2. Detailed Analysis for Test results (xxx : values to be filled in after the tests)

8

第 8 回 スペースデブリワークショップ 講演資料集 383 B17 模擬 SRM スラグ飛翔体を用いた超高速衝突実験計画 Experimental Plan of Hypervelocity Impact Using Simulated SRM Slag 赤星保浩 ( 九州工業大学 ), 東出真澄

第 8 回 スペースデブリワークショップ 講演資料集 383 B17 模擬 SRM スラグ飛翔体を用いた超高速衝突実験計画 Experimental Plan of Hypervelocity Impact Using Simulated SRM Slag 赤星保浩 ( 九州工業大学 ), 東出真澄 第 8 回 スペースデブリワークショップ 講演資料集 383 B17 模擬 SRM スラグ飛翔体を用いた超高速衝突実験計画 Experimental Plan of Hypervelocity Impact Using Simulated SRM Slag 赤星保浩 ( 九州工業大学 ), 東出真澄 (JAXA), 田上翔悟, 池田仁哉, 吉田冬威, 花草孝史, 古賀想大, 高良隆男 ( 九州工業大学

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