Conceptual design of a hybrid rocket powered upper stage (HRPUS) demonstrator

Author(s):  
P. LaSarge ◽  
S. Ford ◽  
R. Frederick
2015 ◽  
Vol 99 ◽  
pp. 198-207 ◽  
Author(s):  
Masahiro Kanazaki ◽  
Atthaphon Ariyairt ◽  
Kazuhisa Chiba ◽  
Koki Kitagawa ◽  
Toru Shimada

Author(s):  
Yosuke KITAGAWA ◽  
Koki KITAGAWA ◽  
Masaki NAKAMIYA ◽  
Masahiro KANAZAKI ◽  
Toru SHIMADA

1990 ◽  
Author(s):  
D. BROWER ◽  
W. ADAMS ◽  
T. KELLY ◽  
C. EWING ◽  
T. WIERSEMA

Author(s):  
Aleksandr LEVANDOVICH ◽  
◽  
Dmitry MOSIN ◽  
Aleksandr TYUTYUKIN ◽  
Igor URTMINTSEV ◽  
...  

The paper presents results of conceptual design studies to determine configuration of an electrically propelled upper (a space tug) with main engines arrays. It addresses the problem stage (EPUS) — a space transportation stage based on electric propulsion powered by solar of deploying a multi-plane orbital constellation of to in of small spacecraft (SSC) using an electrically propelled upper stage. It proposes change the SSC operational orbital planes based on the effect of precession rates between the parking and the working orbits eccentricity in the Earth gravitational field. Requirements owing have the difference to the effect been defined for the EPUS electrical propulsion system that take into account the need to operate it to offset the aerodynamic drag while waiting in the parking orbit for the SSC operational orbital plane to turn. It demonstrates the feasibility of employing four EPUS that use Stationary Plasma Thruster-type electric propulsion as their main engines and gallium arsenide solar arrays for deployment in a 600 km orbit in four planes an orbital constellation of 24 small spacecraft with a mass of ~250 kg each using one launch of a medium capacity launch vehicle of Soyuz-2.1b type.


2019 ◽  
Vol 56 (5) ◽  
pp. 1424-1431 ◽  
Author(s):  
L. Casalino ◽  
F. Masseni ◽  
D. Pastrone

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