Numerical comparison of thermal stratification due natural convection in densified [LO.sub.x] and [LN.sub.2] Tanks.
INTRODUCTION The main objective of this article is to study the transient natural convection inside [LN.sub.2] and [LO.sub.x] cryogenic tanks due to heat transfer from surroundings. In aerospace industry like Single-Stage-To-Orbit (SSTO) or Reusable Launch Vehicles (RLV) the volume/weight propellant storage tanks is of vital importance, due...

Abu Dhabi Ventures Into Aero-Space Industry Services & The Challenge Of Education.
Few could doubt the grandiose ambitions of Abu Dhabi as the once sleepy emirate seeks to reinvent itself. The oil-rich capital of the UAE has already done deals which will see a Louvre and Guggenheim museums grace one island. Another island will host a grand prix race-track and Ferrari...

Aerospace & Defense News - Space.
Sep 1, 2008 A scale-model plasma rocket engine that is to be tested at the International Space Station could be delivered in 2012 by a NASA Commercial Orbital Transportation Services (COTS) program launch system. Houston, Texas-based AdAstraRocket's ISS Variable Specific Impulse Magnetoplasma Rocket (Vasimir) test article will...

MDA sale caused unlikely alliance of opponents.
MEMBERS OF the Canadian Forces have a lot to celebrate in the government's decision to block the sale of a large part of Canada's space industry to a U.S. firm last month. The government's intervention ensured that crucial satellite technology, vital to the conduct of CF missions at home...

Space travel for fun and profit: the private space industry soars higher by lowering its sights.
BARBED WIRE SURROUNDED the Bigelow Aerospace compound, set in a stretch of dry, rock-strewn Nevada desert. Las Vegas glittered in the distance, but otherwise the vista had the desolate look of a lunar landscape, with one difference: The summer heat was oppressive--enough to make you long for the cool...

Little room for private labels as big durables brands slash prices.
Byline: Kala Vijayraghavan & Lijee Philip MUMBAI: After the initial hype, most modern retailers are going slow on launching private labels in the Rs 22,295-crore consumer durables space. Industry observers say big durables brands are competing aggressively with private labels in the wake of a massive price...

Aerospace & Defense News - Space.
Feb 18, 2008 But Donald Kessler, who was director of NASA's orbital space debris monitoring program from 1980 to 1996, said it's unlikely the Pentagon is shooting the missile to test its capabilities. The military is modifying a short-range missile for the task in such a way...

Aerospace & Defense News - Space.
Apr 7, 2008 A government report found multiple problems with new rockets and spaceships that will replace the space shuttle. The report, which was prepared by the House Science and Technology's space subcommittee, said the Ares 1 rocket faces a compressed time line and excessive shaking. Apr...

Aerospace & Defense News - Space.
Apr 21, 2008 The future lies in using advanced robotics, miniaturisation and fabrication, said Lord Martin Rees, the president of the Royal Society. Europe "should try and get a world lead in unmanned exploration", he said. Spending funds on manned spaceflights "was not a very good use...

Analysis; US plan to shoot down disabled spy satellite stirs concern.
Byline: KRISTIN ROBERTS Reuters WASHINGTON - The US decision to shoot down an ailing spy satellite raises new concerns about an arms race in space and could drive Russia and China to respond, analysts said on Thursday, voicing skepticism about the explanation for the move. ...