Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Robert H. Frisbee"'
Autor:
Colleen M. Maresse-Reading, James E. Polk, Michael R. LaPointe, Michael G. Houts, James H. Gilland, R. Joseph Cassady, Anita Sengupta, Steven R. Oleson, Derrek Russell, Robert H. Frisbee
Publikováno v:
Energy Conversion and Management. 49:412-435
Nuclear and radioisotope powered electric thrusters are being developed as primary in-space propulsion systems for potential future robotic and piloted space missions. Possible applications for high power nuclear electric propulsion include orbit rai
Autor:
Colleen Marrese-Reading, Guru Singh, Robin D. Tutterow, Daniel Leipold, William Slade, Joshua St.Vaughn, Milan Mandic, Dave Pierce, Ravi Prakash, Robert H. Frisbee, James M. Corliss, Rick Robbins, John Stephens, Daniel Rooney, Rob Pain, Amadi Ramos, Richard E. Wirz, Dustin C. Barr, William True
Publikováno v:
2009 IEEE Aerospace conference.
Retro rocket Earth landing system architectures for the Orion crew module were developed for the Constellation Program during the Landing System Advanced Development Project design trades. The architectures include both variable and fixed impulse bas
Autor:
Robert H. Frisbee
Publikováno v:
44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
This paper presents results of a derivation of the Rocket Equation applicable to a relativistic-speed proton-antiproton annihilation rocket where a significant amount of the initial annihilation mass-energy of the propellants is lost in the form of r
Autor:
G. Singh, J.A. St. Vaughn, Robin D. Tutterow, Robert H. Frisbee, James M. Corliss, Ravi Prakash
Publikováno v:
2007 IEEE Aerospace Conference.
The Orion spacecraft is tasked with taking humans to space and returning them safely to Earth at a site in the continental United States. To ensure that the crew returns safely to Earth, a landing system must be designed to reduce the terminal veloci
Autor:
Robert H. Frisbee
Publikováno v:
42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
Far-term interstellar missions, like their near-term solar system exploration counterparts, seek to minimize overall mission trip time and transportation system mass. Trip time is especially important in interstellar missions because of the enormous
Autor:
Robert H. Frisbee
Publikováno v:
42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
This paper presents the results of mission analyses that expose the advantages and disadvantages of high-power (MWe-class) Solar Electric Propulsion (SEP) for Lunar and Mars Cargo missions that would support human exploration of the Moon and Mars. In
Publikováno v:
Proceedings of the 25th Intersociety Energy Conversion Engineering Conference.
Multimegawatt (MMW) nuclear electric propulsion (NEP) has been identified as a potentially attractive option for future space exploratory missions [1], [2]. This paper describes a liquid metal cooled reactor, potassium Rankine power system that is be
Autor:
Timothy Knowles, Colleen Marrese-Reading, Sergey Tverdokhlebov, Robert H. Frisbee, Azer P. Yalin, Mark A. Cappelli, Anita Sengupta, Sasha Semenkin, Tom Markusic, Iain D. Boyd, Jay Polk, Michael Keidar
Publikováno v:
41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
In the Very High Isp Thruster with Anode Layer (VHITAL) Program the performance, plume and lifetime capability of the radiatively-cooled two stage, bismuth-fueled VHITAL-160 will be characterized in the US and Russia.
Autor:
Robert H. Frisbee
Publikováno v:
40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
This paper describes analyses of laser-driven sails (LightSails) for interstellar rendezvous missions out to 40 light-years with a cruise velocity of 0.5c. In this study, mission analyses are used to identify the technology requirements for each miss
Autor:
Mark A. Cappelli, Iain D. Boyd, Sasha Semenkin, Robert H. Frisbee, Colleen Marrese-Reading, Sergey Tverdoklebov, Anita Sengupta
Publikováno v:
Space 2004 Conference and Exhibit.
This article describes the two stage bismuth fueled Hall thruster technology that was developed at TsNIIMASH [1] and the Very High Isp Thruster with Anode Layer (VHITAL) technology assessment program that is funded by NASA Exploration Systems Mission