Results 211 to 220 of about 22,726,921 (239)

Progress and Bottlenecks in Large-Scale Commercial Space Transportation Systems. [PDF]

Research (Wash D C)
Wang X, Song Z, Bao W.
europepmc   +1 more source

Future Model for Efficient and Advanced Space Transportation: Exploration and Perspectives. [PDF]

Research (Wash D C)
Chen H, Wang X, Song Z, Li D, Bao W.
europepmc   +1 more source

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Cluster analysis of the large natural satellites in the solar system

Applied Mathematical Modelling, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mehdipour, S. Hamid, Machado, J. A. Tenreiro   +1 more
openaire   +4 more sources

Evaluating Forced Versus Natural Convection for Solar Concentrating Hybrid Photovoltaic-Thermoelectric Power Systems Made From Small Up-Cycled Satellite Dishes

Volume 5: Education and Globalization, 2017
Design processes and analytical modeling are presented showing creation of a low-cost concentrating photovoltaic-thermoelectric (PV/TE) hybrid power system for research and laboratory teaching built using a small upcycled satellite dish. Today, concentrated solar hybrid PV/TE systems are drawing significant research attention and funding investment ...
Said Alamri, Turki Alamri, Saud Almutairi, Muhammad K. Akbar, Fatemeh Hadi, Matthew J. Traum   +5 more
openaire   +1 more source

Monitoring of the moon as the natural satellite of the Earth in the solar system

2017 Progress In Electromagnetics Research Symposium - Spring (PIERS), 2017
A monitoring of the gravity on the surface of the Moon was undertaken by a surveyor. A geodetic concept seems to be helpful at considering the internal structure of the Moon. The author introduces a model of the Moon which is consisted by a core covered by a spherical surface layer.
openaire   +1 more source

The rotation of irregularly shaped natural satellites in the Solar System

2006
The temporal evolution of the rotational motion along with the attitude of a set of irregularly shaped small planetary satellites is studied. For this problem a computer application was developed featuring an FFT implementation scalable in terms of the available computer hardware optimized for fast execution, performed by reducing the amount of mass ...
Löeger, Thomas, Firneis, Maria G.
openaire   +1 more source

On a New Type of Combined Solar–Thermal/Cold Gas Propulsion System Used for LEO Satellite’s Attitude Control

Applied Sciences (Switzerland), 2020
Grigore Cican, Constantin Sandu
exaly