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Matching Records: 207
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Triton Hopper: Exploring Neptune's Captured Kuiper Belt Object
Document ID: 20180001294
NTRS Full-Text: Click to View  [PDF Size: 12.10 MB]
Author: Oleson, Steve; Landis, Geoffrey
Abstract: Neptune's moon Triton is a fascinating object, a dynamic moon with an atmosphere, and geysers. hide
Publication Year: 2018
Document Type: Technical Report
Report/Patent Number: E-19319, NASA/TM-2018-219423, GRC-E-DAA-TN30488
Date Acquired: Feb 22, 2018
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
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
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
Advanced Solar Cell and Array Technology for NASA Deep Space Missions
Document ID: 20090007813
NTRS Full-Text: Click to View  [PDF Size: 389 KB]
Author: Piszczor, Michael; Benson, Scott; Scheiman, David; Finacannon, Homer; Oleson, Steve; Landis, Geoffrey
Abstract: A recent study by the NASA Glenn Research Center assessed the feasibility of using photovoltaics hide
Publication Year: 2008
Document Type: Conference Paper
Report/Patent Number: E-16814-1
Date Acquired: Feb 23, 2009
Overview of Innovative Aircraft Power and Propulsion Systems and Their Applications for Planetary Exploration
Document ID: 20030068129
NTRS Full-Text: Click to View  [PDF Size: 16.2 MB]
Author: Colozza, Anthony; Landis, Geoffrey; Lyons, Valerie
Abstract: Planetary exploration may be enhanced by the use of aircraft for mobility. This paper reviews the hide
Publication Year: 2003
Document Type: Technical Report
Report/Patent Number: NASA/TM-2003-212459, E-13998, NAS 1.15:212459
Date Acquired: Sep 26, 2003
Integrated Bypass Battery for ReverseBias Protection
Document ID: 20120009034
Author: Landis, Geoffrey A,
Abstract: When a single solar cell of a series-connect string is placed in shadow, the entire array current is hide
Publication Year: 2002
Document Type: Conference Paper
Date Acquired: May 30, 2012
The Next Generation of Space Cells for Diverse Environments
Document ID: 20150012298
NTRS Full-Text: Click to View  [PDF Size: 3.9 MB]
Author: Bailey, Sheila; Landis, Geoffrey; Raffaelle, Ryne
Abstract: Future science, military and commercial space missions are incredibly diverse. Military and hide
Publication Year: 2002
Document Type: Conference Paper
Report/Patent Number: E-13307
Date Acquired: Jul 10, 2015
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