Results 21 to 30 of about 20,805,604 (297)

Conceptualization of In-situ Energy Support Technology on the Moon

工程科学与技术, 2020
As the scale of lunar exploration projects continues to expand, it is difficult to provide sufficient and sustainable energy supply for all activities on the moon just relying on the solar cells or small radioisotope power sources.
Heping XIE, Cunbao LI, Lichegn SUN, Jiaxi LIAO, Wei YANG, Juchang MA, Bixiong LI   +6 more
doaj  

Preliminary Thermal Design and Analysis of Lunar Lander for Night Survival

International Journal of Aerospace Engineering, 2018
A lunar lander is exposed to extreme lunar thermal environments with a nighttime of 14.75 earth days. Thus, a proper thermal design is an important task to guarantee a successful lunar mission.
Tae-Yong Park, Jang-Joon Lee, Jung-Hoon Kim, Hyun-Ung Oh   +3 more
doaj   +1 more source

Effects of power electronics devices on the energy quality of an administrative building [PDF]

, 2019
This paper proposes the analysis of the effects of power electronics devices on the energy quality of an administrative building. For the study a method is applied that allows the analysis of the main problems of energy quality such as voltage ...
Gómez Sarduy, Julio R., Viego Felipe, Percy R., Viego, Percy R., Quispe, Enrique C., Sarmiento Crespo, Paulo Cesar, Viego, Percy, Sarmiento, Paulo, Silva, Jorge I., Enrique C. Quispe, Paulo Sarmiento, Sousa Santos, Vladimir, Sarmiento Crespo, Paulo César, Sousa, Vladimir, Silva Ortega, Jorge Iván, Quispe Oqueña, Enrique Ciro, Quispe, Enrique Ciro, Gómez Sarduy, Julio Rafael, Percy R. Viego, Jorge I. Silva, Vladimir Sousa, Julio R. Gómez, Gómez, Julio R.   +21 more
core   +1 more source

Trajectory optimization for the Hevelius-lunar microsatellite mission [PDF]

, 2005
In this paper trajectory optimisation for the Hevelius mission is presented. The Hevelius-Lunar Microsatellite Mission - is a multilander mission to the dark side of the Moon, supported by a relay microsatellite, orbiting on a Halo orbit around L2. Three
Colombo, Camilla, Vasile, Massimiliano, Ceriotti, Matteo, Scarì, Ettore   +3 more
core   +3 more sources

Analysis of Inherent Characteristics, Load Sharing Characteristics, and Transportation Mechanical Response of a Transmission System in a Lunar Sampler and Its Experimental Verification

IEEE Access, 2018
A rotary driving component is the power output unit of a lunar sampler. A planetary gear system is used as the transmission system. The lunar sampler is subjected to an extremely rigorous mechanical environment during transportation.
Hong Xiao, Dewei Tang, Zongquan Deng, Chuanyang Li, Shengyuan Jiang   +4 more
doaj   +1 more source

Method of providing energy resources to a circumlunar satellite for passing longduration shadow zones

Космические аппараты и технологии, 2020
Researches of the possibilities of creating a lunar navigation and communication system have revealed features of the sun's illumination of near-lunar orbits: the annual passage of orbits through a long cycle of about 55 days, containing shadow sections ...
V. E. Chebotarev, E. O. Vorontsova
doaj   +1 more source

Integrated Conceptual Design and Parametric Control Assessment for a Hybrid Mobility Lunar Hopper

Aerospace, 2023
The lunar lava tubes are envisioned as possible hosting structures for a human base in the Moon’s equatorial regions, providing shelter from radiations, micrometeoroids, and temperature excursion.
Jasmine Rimani, Giordana Bucchioni, Andrea Dan Ryals, Nicole Viola, Stéphanie Lizy-Destrez   +4 more
doaj   +1 more source

Development of Lightweight Radiators for Lunar Based Power Systems [PDF]

SAE Technical Paper Series, 1994
<div class="htmlview paragraph">This report discusses application of a new lightweight carbon-carbon (C-C) space radiator technology developed under the NASA Civil Space Technology Initiative (CSTI) High Capacity Power Program to a 20 kW_e lunar based power system.
Albert J. Juhasz, Harvey S. Bloomfield
openaire   +1 more source

VELOX – A Demonstration Facilility for Lunar Oxygen Extraction in a Laboratory Environment [PDF]

, 2010
The ultimate goal of a permanent human presence on the Moon is discussed intensively within the global lunar community. Obviously, such an effort poses stringent demands not only on the technology but also on logistics, especially considering the ...
Richter, L., Romberg, O., Kreutz, M., Ksenik, E., Braukhane, A.   +4 more
core  

A 3D hybrid simulation study of the electromagnetic field distributions in the lunar wake [PDF]

, 2011
As a consequence of its lack of a thick atmosphere and an ionosphere, the interaction of the solar wind with the Moon is characterized by the direct impact of the solar wind on its sunward hemisphere.
W.-H. Ip, J. Müller, Ip, W.-H., Y.-C. Wang, U. Motschmann, Müller, J, Wang, Y.-C., Motschmann, U.   +7 more
core   +1 more source