Results 91 to 100 of about 7,057 (212)

GIS Data Based Automatic High-Fidelity 3D Road Network Modeling [PDF]

open access: yes
3D road models are widely used in many computer applications such as racing games and driving simulations_ However, almost all high-fidelity 3D road models were generated manually by professional artists at the expense of intensive labor.
Shen, Yuzhong, Wang, Jie
core   +1 more source

Development of low cost ablative nozzles for solid propellant rocket motors, volume 1 Final report [PDF]

open access: yes
Evaluating low cost ablative materials for use in large solid propellant rocket ...
Laramee, R. C., Mathis, J. R.
core   +1 more source

Advanced electric propulsion research [PDF]

open access: yes
Results are presented which show that hollow cathodes can be operated on ammonia but that sustained operation in the high pressures where arcjet thrusters operate (of the order of 1000 Torr) is difficult to achieve.
Wilbur, Paul J.
core   +1 more source

Discharge Chamber Plasma Structure of a 30-cm NSTAR-Type Ion Engine [PDF]

open access: yes
Single Langmuir probe measurements are presented over a two-dimensional array of locations in the near Discharge Cathode Assembly (DCA) region of a 30-cm diameter ring cusp ion thruster over a range of thruster operating conditions encompassing the high ...
Gallimore, Alec D., Herman, Daniel A.
core   +1 more source

Home - About - Disclaimer - Privacy