Zachary R Putnam

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2019

Assessment of aerocapture for orbit insertion of small satellites at Mars

Falcone, G., Williams, J. W. & Putnam, Z. R., Jan 1 2019, In : Journal of Spacecraft and Rockets. 56, 6, p. 1689-1703 15 p.

Research output: Contribution to journalArticle

Entry trajectory options for high ballistic coefficient vehicles at Mars

Lorenz, C. G. & Putnam, Z. R., Jan 1 2019, In : Journal of Spacecraft and Rockets. 56, 3, p. 811-822 12 p.

Research output: Contribution to journalArticle

2018

Analytical Assessment of Drag-Modulation Trajectory Control for Planetary Entry

Putnam, Z. R. & Braun, R. D., Dec 15 2018, In : Journal of the Astronautical Sciences. 65, 4, p. 470-489 20 p.

Research output: Contribution to journalArticle

2015

Extension and enhancement of the Allen-Eggers analytical ballistic entry trajectory solution

Putnam, Z. R. & Braun, R. D., Mar 1 2015, In : Journal of Guidance, Control, and Dynamics. 38, 3, p. 414-430 17 p.

Research output: Contribution to journalArticle

2014

Drag-modulation flight-control system options for planetary aerocapture

Putnam, Z. R. & Braun, R. D., Jan 1 2014, In : Journal of Spacecraft and Rockets. 51, 1, p. 139-150 12 p.

Research output: Contribution to journalArticle

Feasibility of guided entry for a crewed lifting body without angle-of-attack control

Putnam, Z. R., Grant, M. J., Kelly, J. R., Braun, R. D. & Krevor, Z. C., Jan 1 2014, In : Journal of Guidance, Control, and Dynamics. 37, 3, p. 729-740 12 p.

Research output: Contribution to journalArticle

Precision landing at Mars using discrete-event drag modulation

Putnam, Z. R. & Braun, R. D., Jan 1 2014, In : Journal of Spacecraft and Rockets. 51, 1, p. 128-138 11 p.

Research output: Contribution to journalArticle

2013

Guided entry performance of low ballistic coefficient vehicles at mars

Meginnis, I. M., Putnam, Z. R., Clark, I. G., Braun, R. D. & Barton, G. H., Jan 1 2013, In : Journal of Spacecraft and Rockets. 50, 5, p. 1047-1059 13 p.

Research output: Contribution to journalArticle

2008

Improving lunar return entry range capability using enhanced skip trajectory guidance

Putnam, Z. R., Bairstow, S. H., Braun, R. D. & Barton, G. H., Jan 1 2008, In : Journal of Spacecraft and Rockets. 45, 2, p. 309-315 7 p.

Research output: Contribution to journalArticle

2007

Entry system options for human return from the moon and mars

Putnam, Z. R., Braun, R. D., Rohrschneider, R. R. & Dec, J. A., Jan 1 2007, In : Journal of Spacecraft and Rockets. 44, 1, p. 194-202 9 p.

Research output: Contribution to journalArticle