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Matching Records: 418
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Analysis of Solar Cell Efficiency for Venus Atmosphere and Surface Missions
Document ID: 20150016298
NTRS Full-Text: Click to View  [PDF Size: 1.1 MB]
Author: Landis, Geoffrey A.; Haag, Emily
Abstract: A simplified model of solar power in the Venus environment is developed, in which the solar hide
Publication Year: 2013
Document Type: Conference Paper
Report/Patent Number: E-667363
Date Acquired: Aug 25, 2015
A Wind-powered Rover for a Low-Cost Venus Mission
Document ID: 20130010972
NTRS Full-Text: Click to View  [PDF Size: 1.2 MB]
Author: Benigno, Gina; Hoza, Kathleen; Motiwala, Samira; Landis, Geoffrey A.; Colozza, Anthony J.
Abstract: Venus, with a surface temperature of 450 C and an atmospheric pressure 90 times higher than that of hide
Publication Year: 2013
Document Type: Conference Paper
Report/Patent Number: AIAA Paper 2013-0586
Date Acquired: Mar 13, 2013
HERRO Mission to Mars Using Telerobotic Surface Exploration from Orbit
Document ID: 20130011281
NTRS Full-Text: Click to View  [PDF Size: 2.7 MB]
Author: Oleson, Steven R.; Landis, Geoffrey A.; McGuire, Melissa L.; Schmidt, George R.
Abstract: This paper presents a concept for a human mission to Mars orbit that features direct robotic hide
Publication Year: 2013
Document Type: Technical Report
Report/Patent Number: NASA/TM-2013-217414, AIAA Paper 2011-0334, E-18085
Date Acquired: Mar 22, 2013
Electric Propulsion Induced Secondary Mass Spectroscopy
Document ID: 20120016281
NTRS Full-Text: Click to View  [PDF Size: 195 KB]
Author: Amini, Rashied; Landis, Geoffrey
Abstract: A document highlights a means to complement remote spectroscopy while also providing in situ surface hide
Publication Year: 2012
Document Type: NASA Tech Brief
Report/Patent Number: NPO-47798
Date Acquired: Nov 29, 2012
Reverse bias protected solar array with integrated bypass battery
Document ID: 20120012498
NTRS Full-Text: Click to View  [PDF Size: 740 KB]
Author: Landis, Geoffrey A (Inventor)
Abstract: A method for protecting the photovoltaic cells in a photovoltaic (PV) array from reverse bias damage hide
Publication Year: 2012
Document Type: Patent
Report/Patent Number: US-Patent-8,212,138, US-Patent-Appl-SN-11/696,441
Date Acquired: Aug 08, 2012
Non-Solar Photovoltaics for Small Space Missions
Document ID: 20150009918
NTRS Full-Text: Click to View  [PDF Size: 1.6 MB]
Author: Landis, Geoffrey A.; Bailey, Sheila G.; Clark, Eric B.; Myers, Matthew G.; Piszazor, Michael F.; Murbach, Marcus S.
Abstract: NASA has missions planned to targets in the solar system ranging from the permanently shadowed hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: E-664100
Date Acquired: Jun 05, 2015
Mars Surface Mobility Leading to Sustainable Exploration
Document ID: 20120004103
NTRS Full-Text: Click to View  [PDF Size: 4.7 MB]
Author: Linne, Diane L.; Barsi, Stephen J.; Sjauw En Wa, Waldy K.; Landis, Geoffrey A.
Abstract: A Mars rocket-propelled hopper concept was evaluated for feasibility through analysis and hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: AIAA Paper 2012-0806, E-18143
Date Acquired: Apr 13, 2012
Design Study for a Mars Geyser Hopper
Document ID: 20120004036
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Author: Landis, Geoffrey A.; Oleson, Steven J.; McGuire, Melissa
Abstract: The Mars Geyser Hopper is a design reference missions (DRMs) for a Discovery-class spacecraft using hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: E-18141
Date Acquired: Apr 12, 2012
Low-Altitude Exploration of the Venus Atmosphere by Balloon
Document ID: 20110016033
NTRS Full-Text: Click to View  [PDF Size: 4.9 MB]
Author: Landis, Geoffrey A.
Abstract: The planet Venus represents an exciting target for future exploration by spacecraft. One target of hide
Publication Year: 2010
Document Type: Conference Paper
Report/Patent Number: AIAA Paper-2010-628, E-17947
Date Acquired: Oct 07, 2011
Solar Power System Design for the Solar Probe+ Mission
Document ID: 20090004577
NTRS Full-Text: Click to View  [PDF Size: 837 KB]
Author: Landis, Geoffrey A.; Schmitz, Paul C.; Kinnison, James; Fraeman, Martin; Roufberg, Lew; Vernon, Steve; Wirzburger, Melissa
Abstract: Solar Probe+ is an ambitious mission proposed to the solar corona, designed to make a perihelion hide
Publication Year: 2008
Document Type: Conference Paper
Report/Patent Number: AIAA Paper-2008-5712, E-16841
Date Acquired: Jan 21, 2009
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