Philip Metzger

Dr. Philip Metzger

Stephen W. Hawking Center, University of Central Florida, Orlando, Florida, USA
orcid

Research Focus & Metrics

Academic Career Length

23Years (2004-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 March 2019 in REACH
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Journal Article
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DKDavid Kornuta
David Kornuta
AAAngel Abbud-Madrid
Angel Abbud-Madrid
JAJared Atkinson
Jared Atkinson
JBJonathan Barr
Jonathan Barr
GBGary Barnhard
Gary Barnhard
GZGuangdong Zhu
Guangdong Zhu

1 February 2011 in Icarus
Verified
Journal Article
Closed access
CIChristopher Immer
Christopher Immer
Philip MetzgerPhilip Metzger
Philip Metzger
PHPaul E. Hintze
Paul E. Hintze
ANAndrew Nick
Andrew Nick
RHRyan Horan
Ryan Horan

1 January 2009 in Journal of Aerospace Engineering
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Journal Article
Closed access
Philip MetzgerPhilip Metzger
Philip Metzger
CIChristopher D. Immer
Christopher D. Immer
CDCarly M. Donahue
Carly M. Donahue
BVBruce T. Vu
Bruce T. Vu
RLRobert C. Latta
Robert C. Latta
MDMatthew Deyo-Svendsen
Matthew Deyo-Svendsen
The erosion of lunar soil by rocket exhaust plumes is investigated experimentally. This has identified the diffusion-driven flow in the bulk of the sand as an important but previously unrecognized mechanism for erosion dynamics. It has also shown that slow regime cratering is governed by the recirculation of sand in the widening geometry of the crater. Scaling relationships and erosion mechanisms have been characterized in detail for the slow regime. The diffusion-driven flow occurs in both slow and fast regime cratering. Because diffusion-driven flow had been omitted from the lunar erosion theory and from the pressure cratering theory of the Apollo and Viking era, those theories cannot be entirely correct.

30 June 2011 in Journal of Geophysical Research
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Journal Article
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Philip MetzgerPhilip Metzger
Philip Metzger
JSJacob Smith
Jacob Smith
JLJohn Lane
John Lane

1 July 2011 in Icarus
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Journal Article
Closed access
CIChristopher Immer
Christopher Immer
JLJohn Lane
John Lane
Philip MetzgerPhilip Metzger
Philip Metzger
SCSandra Clements
Sandra Clements

1 January 2013 in Journal of Aerospace Engineering
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Journal Article
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Philip MetzgerPhilip Metzger
Philip Metzger
AMAnthony Muscatello
Anthony Muscatello
RMRobert P. Mueller
Robert P. Mueller
JMJames Mantovani
James Mantovani
Advances in robotics and additive manufacturing have become game-changing for the prospects of space industry. It has become feasible to bootstrap a self-sustaining, self-expanding industry at reasonably low cost. Simple modeling was developed to identify the main parameters of successful bootstrapping. This indicates that bootstrapping can be achieved with as little as 12 t landed on the Moon during a period of about 20 years. The equipment will be teleoperated and then transitioned to full autonomy so the industry can spread to the asteroid belt and beyond. The strategy begins with a subreplicating system and evolves toward full self-sustainability (full closure) via an in situ technology spiral. The industry grows exponentially because of the free real estate, energy, and material resources of space. The mass of industrial assets at the end of bootstrapping will be 156 t with 60 humanoid robots or as high as 40,000 t with as many as 100,000 humanoid robots if faster manufacturing is supported b...