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Matching Records: 372
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Selenium Interlayer for High-Efficiency Multijunction Solar Cell
Document ID: 20160011055
NTRS Full-Text: Click to View  [PDF Size: 669 KB]
Author: Landis, Geoffrey A. (Inventor)
Abstract: A multi-junction solar cell is provided and includes multiple semiconducting layers and an interface hide
Publication Year: 2016
Document Type: Patent
Report/Patent Number: US-Patent-9,418,844, US-Patent-Appl-SN-14/814,898
Date Acquired: Sep 07, 2016
Design of Photovoltaic Power System for a Precursor Mission for Human Exploration of Mars
Document ID: 20170000235
NTRS Full-Text: Click to View  [PDF Size: 525 KB]
Author: Mcnatt, Jeremiah; Landis, Geoffrey; Fincannon, James
Abstract: This project analyzed the viability of a photovoltaic power source for technology demonstration hide
Publication Year: 2016
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN32412
Date Acquired: Jan 05, 2017
Selenium Interlayer for High-Efficiency Multijunction Solar Cell
Document ID: 20150016936
NTRS Full-Text: Click to View  [PDF Size: 605 KB]
Author: Landis, Geoffrey A (Inventor)
Abstract: A multi junction solar cell is provided and includes multiple semiconducting layers and an interface hide
Publication Year: 2015
Document Type: Patent
Report/Patent Number: US-Patent-9,117,948, US-Patent-Appl-SN-13/364,691
Date Acquired: Sep 03, 2015
Study of Power Options for Jupiter and Outer Planet Missions
Document ID: 20160004679
NTRS Full-Text: Click to View  [PDF Size: 724 KB]
Author: Landis, Geoffrey A.; Fincannon, James
Abstract: Power for missions to Jupiter and beyond presents a challenging goal for photovoltaic power systems, hide
Publication Year: 2015
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN24225
Date Acquired: Apr 11, 2016
Solar Electric Propulsion for Future NASA Missions
Document ID: 20160004088
NTRS Full-Text: Click to View  [PDF Size: 5.6 MB]
Author: Landis, Geoffrey A.; Oleson, Steven R.; Mercer, Carolyn R.
Abstract: Use of high-power solar arrays, at power levels ranging from approximately 500 KW to several hide
Publication Year: 2015
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN23902
Date Acquired: Apr 04, 2016
Solar Power for Future NASA Missions
Document ID: 20150002114
NTRS Full-Text: Click to View  [PDF Size: 68 KB]
Author: Bailey, Sheila G.; Landis, Geoffrey A.
Abstract: An overview of NASA missions and technology development efforts are discussed. Future spacecraft hide
Publication Year: 2014
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN18219
Date Acquired: Aug 25, 2015
OPTEC: A Cubesat for Solar Cell Calibration
Document ID: 20150000741
NTRS Full-Text: Click to View  [PDF Size: 493 KB]
Author: Landis, Geoffrey; Hepp, Aloysius; Arutyunov, Dennis; White, Kelsey; Witsberger, Paul
Abstract: A new type of small spacecraft, the cubesat, has introduced a new concept for extremely small, hide
Publication Year: 2014
Document Type: Oral/Visual Presentation
Report/Patent Number: GRC-E-DAA-TN18798
Date Acquired: Feb 18, 2015
A CubeSat Asteroid Mission: Design Study and Trade-Offs
Document ID: 20150002091
NTRS Full-Text: Click to View  [PDF Size: 872 KB]
Author: Landis, Geoffrey A.; Oleson, Steven R.; McGuire, Melissa; Hepp, Aloysius; Stegeman, James; Bur, Mike; Burke, Laura; Martini, Michael; Fittje, James E.; Kohout, Lisa; hide
Abstract: There is considerable interest in expanding the applicability of cubesat spacecraft into hide
Publication Year: 2014
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN17881
Date Acquired: Mar 05, 2015
Venus High Temperature Atmospheric Dropsonde and Extreme-Environment Seismometer (HADES)
Document ID: 20150002090
NTRS Full-Text: Click to View  [PDF Size: 1.2 MB]
Author: Boll, Nathan J.; Salazar, Denise; Stelter, Christopher J.; Landis, Geoffrey A.; Colozza, Anthony J.
Abstract: The atmospheric composition and geologic structure of Venus have been identified by the US National hide
Publication Year: 2014
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN17841
Date Acquired: Mar 05, 2015
Zephyr: A Landsailing Rover for Venus
Document ID: 20150000879
NTRS Full-Text: Click to View  [PDF Size: 455 KB]
Author: Landis, Geoffrey A.; Oleson, Steven R.; Grantier, David
Abstract: With an average temperature of 450C and a corrosive atmosphere at a pressure of 90 bars, the surface hide
Publication Year: 2014
Document Type: Conference Paper
Report/Patent Number: GRC-E-DAA-TN17880
Date Acquired: Feb 24, 2015
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