Search Results - "Ewell, Richard C."

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  1. 1

    The use of lithium-ion batteries for JPL's Mars missions by Smart, Marshall C., Ratnakumar, Bugga V., Ewell, Richard C., Surampudi, Subbarao, Puglia, Frank J., Gitzendanner, Rob

    Published in Electrochimica acta (01-04-2018)
    “…On the surface of Mars, there are currently two operational rovers that utilize robust Li-ion batteries that have contributed to their demonstrated long life,…”
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    Journal Article
  2. 2

    Solar array model corrections from Mars Pathfinder Lander data by Ewell, R.C., Burger, D.R.

    “…The MESUR solar array power model for the Mars Pathfinder spacecraft initially assumed values for input variables. After landing, early surface variables such…”
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    Conference Proceeding
  3. 3

    Design and performance of the MER (Mars Exploration Rovers) solar arrays by Stella, P.M., Ewell, R.C., Hoskin, J.J.

    “…The Mars Exploration Rovers (MER) program posed a significant engineering and technology challenge. Now that the Rovers have operated beyond their original…”
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    Conference Proceeding
  4. 4

    Multijunction Solar Cell Technology for Mars Surface Applications by Stella, P.M., Mardesich, N., Ewell, R.C., Mueller, R.L., Endicter, S., Aiken, D., Edmondson, K., Fetzer, C.

    “…Solar cells used for Mars surface applications have been commercial space qualified AMO optimized devices. Due to the Martian atmosphere, these cells are not…”
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    Conference Proceeding