J OURNAL OF P ROPULSION AND P OWER Vol. 14‚ No. 5‚ September – October 1998 Advanced Rocket Nozzles Gerald Hagemann* DLR‚ German Aerospace Research Center‚ Lampoldshausen 74239‚ Germany Hans Immich† Daimler – Benz AG‚ Munich 81663‚ Germany Thong Van Nguyen‡ GenCorp Aerojet‚ Sacramento‚ California 95813 and Gennady E. Dumnov§ Keldysh Research Center‚ Moscow 125438‚ Russia Several nozzle concepts that promise a gain in performance over existing conventional nozzles are discussed in this paper. It
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Annie J. Easley was an female African-American computer scientist‚ mathematician‚ and rocket scientist. She helped develop power technology and software for the National Aeronautics and Space Administration‚ which we all know as “NASA”. She was born on April 23‚ 1933 in Birmingham‚ Alabama. Easley was the daughter of Samuel Bird Easley and Mary Melvina Hoover. Her and her only brother‚ who was six years old than her were raised by their single mother‚ who was a great encourager‚ and excelled in
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Abstract: In Rockets and Missiles combustion gas of an integral burning of a propellant flows along the duct of the propellant. If the nozzles attached to a rocket motor are removed‚ the pressure on the duct becomes equal to atmospheric pressure and no sonic velocity is attained at the rear end of the duct. Then no thrust generated by the combustion of the propellant. In nozzleless propulsion the mass burning rate of the propellant in the duct is increased and the flow reaches sonic velocity
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Issue All MAS Dept Course - 471 NIPCONS TD – MISSILE DEVELOPMENTS AND ITS IMPACT ON WARFARE Ref: Internet e Book; The Evolution of Weapons and Warfare‚ Trevor N. Dupuy Cl Pds: 2 Introduction 1. Rockets are any of various simple or complex tube-like devices containing combustibles that on being ignited liberate gases whose action propels the tube through the air: used for pyrotechnic effect‚ signaling‚ carrying a lifeline‚ hurling explosives at an enemy
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India’s Space Programme Starting with a modest beginning in 1963 primarily to carry out sounding rocket experiments in space science‚ the Indian Space Research Organization SRO) has focused its attention on using space technology for carrying out major identified national tasks on a totally self-reliant basis. Self-reliance‚ accomplished with national applications of space technology is the main objectives of the Indian Space programme. Main thrust areas are: Satellite communications for various
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The Polar Satellite Launch Vehicle commonly known by its abbreviation PSLV‚ is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into sun synchronous orbits‚ a service that was‚ until the advent of the PSLV‚ commercially viable only from Russia. PSLV can also launch small size satellites into geostationary transfer orbit (GTO). The PSLV has launched 55 satellites
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were designed to be towed to the target area by a full-sized “mother” submarine. The X-craft would then be detached and infiltrate the target‚ laying down two side charges‚ each containing 2 tonnes of amatol. They would then make their escape and rendezvous with the “mother” submarine to be towed home. The first attack was launched against the German battleship Bismarck. Six X-craft were designated for the operation‚ but two were lost to accidents en route‚ and a third suffered mechanical problems
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begins on March 23rd 1912 in Wirzitz‚ in the province of Posen‚ nowadays called Wyrzysk‚ Poland. Growing up‚ Von Braun‚ read a lot of Sci-Fi and became obsessed with the idea of Space Travel and since he was a small child he messed around with toy rockets and such. In 1930 he attended Technische Hochschule Berlin‚ where he got a degree in Mechanical
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India has launched 74 artificial satellites in space .Here are some of them- Aryabhatta It was indias first satellite.It was launched by the Soviet Union on 19 April 1975[1] from Kapustin Yar using a Kosmos-3M launch vehicle. It was built by the Indian Space Research Organisation (ISRO) The launch came from an agreement between India and the Soviet Union directed by U.R. Rao and signed in 1972. It allowed the USSR to use India ports for tracking
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A firework is an incendiary device or material that can be used forsignalling orentertainment. There are chemicals located in the nose ofthe rocket that explode‚ producing the colours seen. The art of fireworks‚ first originated in ancient China‚ with thefirst explosive being made from a mixture of black powder during theSung dynasty. It is believed that the explosive mixture was created bya combination of sulfur‚ saltpeter and charcoal. The Chinese foundthat the combination of these ingredients
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