首页> 外文会议>Thirty-Ninth Space Congress, Apr 30-May 3, 2002, Cape Canaveral, Florida >Charge Decay Characteristics of the JSC Mars-1 Martian Regolith Simulant
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Charge Decay Characteristics of the JSC Mars-1 Martian Regolith Simulant

机译:JSC Mars-1火星雷戈利斯模拟物的电荷衰减特性

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Studies of the voltage (charge) decay behavior of the JSC Mars-1 Martian Regolith simulant are presented for both moist and dry conditions in a simulated Earth/Mars environment. The results indicate that moisture content is the main driving force behind the form of the decay curve as well as temperature while atmospheric content and pressure play a little role. Dry simulant conditions act as well-behaved ohmic insulators with an expected exponential decay, while moist simulant possesses non-ohmic behavior decaying as 1/time. The decay relationships are derived from the experimental measurements of the current-voltage relationships. Some possible explanations of this behavior are discussed.
机译:提出了在模拟的地球/火星环境中,在潮湿和干燥条件下,JSC Mars-1火星Regolith模拟剂的电压(电荷)衰减行为的研究。结果表明,水分含量是衰减曲线和温度背后的主要驱动力,而大气含量和压力则起着很小的作用。干燥的模拟条件充当行为良好的欧姆绝缘体,具有预期的指数衰减,而潮湿的模拟物具有的非欧姆行为衰减1 /次。衰减关系是从电流-电压关系的实验测量得出的。讨论了此行为的一些可能的解释。

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