Timothy Leonard
Papers
1
Total Citations
9
H-Index
1
About
Timothy Leonard is a leading aerospace engineer whose work has been instrumental in advancing cryogenic propulsion technologies for deep space exploration. His primary research focuses on deep throttling cryogenic engines, a critical capability for planetary landers, particularly for NASA's lunar missions. Leonard’s most notable contribution is his work on the Common Extensible Cryogenic Engine (CECE) program, a pioneering technology development effort awarded under NASA’s Vision for Space Exploration. As a key figure at Pratt & Whitney Rocketdyne, he helped demonstrate the feasibility of deep throttling—a challenging requirement for controlled lunar descent—with the CECE demonstrator engine. His seminal 2007 paper on this subject, which has garnered 9 citations, remains a foundational reference for engineers developing next-generation lander propulsion systems. Leonard’s achievements include being part of one of the first technology development programs selected by NASA in 2004, setting the stage for modern lunar lander designs. His work continues to influence the design of efficient, throttleable cryogenic engines, making him a respected voice in the field of in-space propulsion and a key contributor to America’s return to the Moon.
Research Focus
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Top Papers
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