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36 articles for “earth-to-space”
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Research ArticleOpen accessIn the abstractV-Band Fade Dynamics Characteristics Analysis in Tropical RegionKhairayu Badron, Ahmad Fadzil Ismail, Jafri Din, Ahmad Tharek Abdul RahmanProblem statement: Satellite operations at V-band in tropical and equatorial regions are constrained as a result of attenuation from rain. Approach: Statistics for 20 consecutive months of V-band terrestrial link signal attenuation measurements in Malaysia were presented in this analysis. Such information was considered very pertinent for Earth-space communication link design and can be used for initial groundwork plan for … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,808 accessesView PDFCite
Research ArticleOpen accessIn the abstractMan in Outer Space Without a Special Space SuitAlexander BolonkinProblem statement: Many people dreamed about a living human in space without the encumbrance of a complex space suit. Unfortunately no scientific research and inventions: How to make it? Approach: Purpose of this research was to initial researching of this problem, necessary conditions, inventions, design needed devices, system and testing them. In this case main problem is how to satiate … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 9,003 accessesView PDFCite
Research ArticleOpen accessIn the abstractENHANCED CAPILLARY RISE OF WETTING LIQUIDS IN REDUCED GRAVITATIONAL SHIELDING UNDER MICROGRAVITY CONDITIONSGeorge D. Zouganelis, Ioannis Gkigkitzis, Ioannis HaranasWe study the capillary rise of wetting in liquids by slightly modifying Ponomarenko’s result, a recently derived and observed t1/3 law, without omitting the corresponding gravity term and therefore we find hnew (t)≅0.9085hPon (t) instead, which corresponds to a 9% difference. Furthermore, in order to examine the effect of corrected gravity, we extend the result on the surface of a … …Physics International, Vol. 5, Issue 2 · 21 Jun 2014 · 7,902 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Gravity Field of a CubeJames Michael Chappell, Mark John Chappell, Azhar Iqbal, Derek AbbottWe calculate the Newtonian gravitational potential and field of a cubic, homogeneous asteroid and we apply it to the orbit of possible satellites. Large astronomical objects such as stars or planets, naturally tend to form spherical shapes due to the dominance of the gravitational forces, but as a thought experiment, we consider the properties of a planet in the form … …Physics International, Vol. 3, Issue 2 · 27 Mar 2013 · 15,337 accessesView PDFCite
Research ArticleOpen accessIn the abstractArchitecture for Combined Energy and Attitude Control SystemIbrahim Mustafa Mehedi, Renuganth Varatharajoo, Harlisya Harun, Mohd Nizam FilipskiCombining the energy and attitude control system is a feasible technology for small satellites to improve the space missions. In this Combined Energy and Attitude Control System (CEACS) a double rotating flywheel is used to replace the conventional battery for energy storage as well as to control the attitude of an earth oriented satellite. Each flywheel is to be controlled … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 6,409 accessesView PDFCite
Review ArticleOpen accessIn the abstractChandrayaan-2: India’s Second Lunar Exploration MissionSantosh KosambeThe Moon has always been the center of attention for mankind, more than any other heavenly body in the night sky. With the early history of the solar system etched on it, the Moon challenges mankind from time immemorial to discover its secrets and admire its marvels. Understanding the Moon will provide us a pathway to unravel the early evolution … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 2 Nov 2019 · 9,545 accessesView PDFCite