James O. Arnold
Papers
5
Total Citations
140
H-Index
4
About
James O. Arnold is a NASA aerospace engineer and researcher whose career spans several decades at the forefront of planetary entry systems, aerobraking technologies, and advanced propulsion concepts. Arnold is perhaps best known for his central contributions to NASA's Entry, Descent and Landing Systems Analysis (EDL-SA) Study, a landmark initiative commissioned in 2008 to chart the technology investments necessary for landing large payloads on Mars for both robotic and human-scale missions. The Phase 1 report from this study has accumulated 97 citations, establishing it as a cornerstone reference in the EDL community, while the subsequent Phase 2 exploration feed-forward report further cemented his influence on long-range mission planning. Arnold also contributed to the structural design concepts behind the Adaptive Deployable Entry and Placement Technology (ADEPT), a potentially revolutionary aerodynamic decelerator system. His earlier work on aerobraking technologies, dating to 1990, demonstrated the dramatic mass savings achievable over fully propulsive approaches — up to 60% reduction in initial LEO mass — helping lay the conceptual groundwork for affordable lunar and Mars exploration. His research on zero boil-off cryogen storage further reflects a career dedicated to enabling the practical realities of deep-space human exploration.
Research Focus
Key Achievements
Top Papers
- 1Entry, Descent and Landing Systems Analysis Study: Phase 1 Report97 citations · 2010
- 2Entry, Descent and Landing Systems Analysis Study: Phase 2 Report on Exploration Feed-Forward Systems27 citations · 2011
- 3
- 4Technologies for aerobraking5 citations · 1990
- 5Zero Boil Off Cryogen Storage for Future Launchers3 citations · 2001