| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
We studied the feasibility of development of a Low Gravity Simulator for Impact Phenomena (LoGSIP) in the laboratory; the LoGSIP would be used for the study on the physical properties of granular matters under the low gravity condition simulating a regolith layer of asteroid surface. Then, we developed the method to measure the dynamical resistance force generated from granular matters using the impactor equipped with an accelerometer, and more we developed the method to measure the impact vibration and the excavation process during the crater formation process using the accelerometers set on a target surface and a high speed photography. As a result of these developments, we obtained the basic dynamical properties of granular matters at 1G, and assessed the feasibility of the implementation of these methods to the LoGSIP.
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