Zachary R Putnam

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Research Output

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Conference contribution

A comparison of two orion skip entry guidance algorithms

Rea, J. R. & Putnam, Z. R., Dec 24 2007, Collection of Technical Papers - AIAA Guidance, Navigation, and Control Conference 2007. p. 1155-1173 19 p. (Collection of Technical Papers - AIAA Guidance, Navigation, and Control Conference 2007; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Advances in guidance, navigation, and control for planetary entry, descent, and landing systems

Putnam, Z. R. & Braun, R. D., Jan 1 2016, Guidance, Navigation, and Control 2016. Chart, D. A. (ed.). Univelt Inc., p. 549-559 11 p. (Advances in the Astronautical Sciences; vol. 157).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Advances in inertial guidance technology for aerospace systems

Braun, R. D., Putnam, Z. R., Steinfeldt, B. A. & Grant, M. J., Sep 16 2013, AIAA Guidance, Navigation, and Control (GNC) Conference. (AIAA Guidance, Navigation, and Control (GNC) Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aerocapture system options for delivery of small satellites to mars

Falcone, G., Williams, J. W. & Putnam, Z. R., Jan 1 2018, Guidance, navigation, and control, 2018. Walker, C. A. H. (ed.). Univelt Inc., p. 271-284 14 p. (Advances in the Astronautical Sciences; vol. 164).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analytical assessment of drag-modulation trajectory control for planetary entry

Putnam, Z. R. & Braun, R. D., Jan 1 2016, Astrodynamics 2015. Turner, J. D., Wawrzyniak, G. G., Cerven, W. T. & Majji, M. (eds.). Univelt Inc., p. 4309-4324 16 p. (Advances in the Astronautical Sciences; vol. 156).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

An entry trajectory design methodology for lunar return

Putnam, Z. R., Barton, G. H. & Neave, M. D., Dec 1 2009, AIAA Guidance, Navigation, and Control Conference and Exhibit. 2009-5773. (AIAA Guidance, Navigation, and Control Conference and Exhibit).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Defining the critical depth of impact damage for thermal protection systems

Skolnik, N. L. & Putnam, Z. R., Jan 1 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design of a cubesat mission to investigate high-enthalpy noneqilibrium flow chemistry

Zuiker, N., Williams, J., Putnam, Z. R., Levin, D., Ghosh, A. & Alexeenko, A., Jan 1 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Drag modulation flight control for aerocapture

Putnam, Z. R., Clark, I. G. & Braun, R. D., May 22 2012, 2012 IEEE Aerospace Conference. 6186999. (IEEE Aerospace Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Drag modulation flight control system options for planetary aerocapture

Putnam, Z. R. & Braun, R. D., Aug 19 2013, 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2013. (51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Entry range capability analysis of the Orion crew module

Putnam, Z. R. & Barton, G. H., Aug 19 2008, 2008 IEEE Aerospace Conference, AC. 4526287. (IEEE Aerospace Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Entry system options for human return from the Moon and Mars

Putnam, Z. R., Braun, R. D., Rohrschneider, R. R. & Dec, J. A., Dec 1 2005, Collection of Technical Papers - AIAA Atmospheric Flight Mechanics Conference 2005. p. 449-462 14 p. (Collection of Technical Papers - AIAA Atmospheric Flight Mechanics Conference; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Extension and enhancement of the Allen-Eggers analytic solution for ballistic entry trajectories

Putnam, Z. R. & Braun, R. D., Jan 1 2014, AIAA AVIATION 2014 -AIAA Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics Inc., (AIAA AVIATION 2014 -AIAA Atmospheric Flight Mechanics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Guided entry performance of low ballistic coefficient vehicles at Mars

Meginnis, I., Putnam, Z. R., Clark, I., Braun, R. & Barton, G., May 22 2012, 2012 IEEE Aerospace Conference. 6187001. (IEEE Aerospace Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Improving lunar return entry footprints using enhanced skip trajectory guidance

Putnam, Z. R., Braun, R. D., Bairstow, S. H. & Barton, G. H., Dec 1 2006, Collection of Technical Papers - Space 2006 Conference. p. 2230-2244 15 p. (Collection of Technical Papers - Space 2006 Conference; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Moving-mass actuator system options for entry vehicles with deployable decelerators

Lohan, K. G. & Putnam, Z. R., Jan 1 2016, Spaceflight Mechanics 2016. Ozimek, M. T., Zanetti, R., Bowes, A. L., Russell, R. P. & Ozimek, M. T. (eds.). Univelt Inc., p. 1875-1886 12 p. (Advances in the Astronautical Sciences; vol. 158).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parking orbit selection for mars aerocapture-entry systems

Zinner, E. J. & Putnam, Z. R., Jan 1 2019, Spaceflight Mechanics 2019. Topputo, F., Sinclair, A. J., Wilkins, M. P. & Zanetti, R. (eds.). Univelt Inc., p. 2435-2454 20 p. AAS 19-463. (Advances in the Astronautical Sciences; vol. 168).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

PredGuid entry guidance for orion return from low earth orbit

Putnam, Z. R., Neave, M. D. & Barton, G. H., Jun 2 2010, 2010 IEEE Aerospace Conference Proceedings. 5447010. (IEEE Aerospace Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Prediction of flight measurements of high-enthalpy nonequilibrium flow from a cubesat-class atmospheric probe

Morgan, J., Nuwal, N., Williams, J., Putnam, Z. R., Levin, D., Pikus, A., Berger, A. & Alexeenko, A., Jan 1 2018, AIAA Aerospace Sciences Meeting. 210059 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aerospace Sciences Meeting, 2018; no. 210059).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Review and assessment of the steep lifting entry closed-form trajectory solution

Putnam, Z. R. & Braun, R. D., Jan 1 2016, AIAA Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Atmospheric Flight Mechanics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strategies for landing large ballistic coefficient vehicles on mars

Anderson, T. R., Putnam, Z. R. & Braun, R. D., Jan 1 2016, AIAA Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Atmospheric Flight Mechanics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Supersonic retropropulsion on robotic Mars landers: Selected design trades

Wolf, A. A., Noyes, C., Strauss, W., Benito, J., Lobbia, M., McCann, J., Nakazono, B., Putnam, Z. R. & Lorenz, C. G., Jan 1 2018, AAS/AIAA Astrodynamics Specialist Conference, 2018. Singla, P., Weisman, R. M., Marchand, B. G. & Jones, B. A. (eds.). Univelt Inc., p. 643-657 15 p. (Advances in the Astronautical Sciences; vol. 167).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Trajectory options for human mars missions

Wooster, P. D., Braun, R. D., Ahn, J. & Putnam, Z. R., Dec 1 2006, Collection of Technical Papers - AIAA/AAS Astrodynamics Specialist Conference, 2006. p. 835-851 17 p. (Collection of Technical Papers - AIAA/AAS Astrodynamics Specialist Conference, 2006; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Variable angle-of-attack profile entry guidance for a crewed lifting body

Putnam, Z. R., Grant, M. J., Kelly, J. R., Braun, R. D. & Krevor, Z. C., Aug 19 2013, 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2013. (51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution