搜索结果: 1-12 共查到“航空、航天科学技术 Rocket”相关记录12条 . 查询时间(0.358 秒)
Numerical simulation of axial liquid film cooling in rocket combustor
liquid film cooling heat flux numerical simulation turbulent flow
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2014/5/19
Numerical simulation has been done for liquid film cooling in liquid rocket combustor.Multiple species of axial Navier-Stokes equations have been solved for liquid-film/hot-gas flow field,and k-ε equa...
NASA Announces New Rocket Engine Testing Opportunity at Stennis
New Rocket Engine Testing Opportunity Stennis
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2010/4/29
NASA's Stennis Space Center in Stennis, Miss., unveiled an initiative today to chart the future of the nation's premier rocket engine testing facility. Stennis Director Gene Goldman announced plans fo...
Study of plasticizer diffusion in a solid rocket motor´s bondline
Fick’s Law Diffusion Bondline Solid rocket propellant
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2010/10/25
This work aims to determine the diffusion coefficient of the plasticizers dibutyl phthalate (DBP), dioctyl phthalate (DOP) and dioctyl azelate (DOZ) on the internal insulating layer of solid rocket mo...
Computational simulation of non-geodesic filament winding of pressure vessel of rocket motor
Filament winding Non-geodesic winding Pressure vessel Motor case Rocket
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2010/10/25
The main objective of this work was to accomplish the computational simulation in the software CadWind® of a filament winding for an applied pressure vase to motor rocket. The adopted simulation w...
NASA Buys Additional Space Shuttle Reusable Solid Rocket Motors
NASA Additional Space Shuttle Solid Rocket Motors
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2009/12/18
NASA has purchased two reusable solid rocket motors from ATK Launch Systems Inc. of Brigham City, Utah, to provide a "launch on need" rescue capability for the final planned space shuttle mission, tar...
NASA Sets Target Date for Ares I-X Rocket's Test Launch
Target Date Ares I-X Rocket's Test
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2009/9/28
NASA is targeting Tuesday, Oct. 27, for the flight test of the Ares I-X rocket, pending successful testing and data verification. Senior managers made the decision after a meeting Monday at NASA Headq...
NASA and ATK Schedule Motor Test for Ares Rocket on Sept. 10
Schedule Motor Test Ares Rocket
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2009/9/8
NASA and Alliant Techsystems Inc., or ATK, have rescheduled the test of the new first-stage solid rocket motor for the Ares I rocket. The static firing of the five-segment solid motor, designated deve...
NASA and ATK Media Telecon after Ares I Solid Rocket Motor Test
NASA ATK Media Telecon Ares I Solid Rocket Motor Test
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2009/8/26
Representatives from NASA and Alliant Techsystems (ATK) will hold a media teleconference Thursday, Aug. 27 at 3:30 p.m. EDT. They will discuss the test of a new first-stage development solid rocket mo...
NASA, AFOSR Test Environmentally-Friendly Rocket Propellant
NASA AFOSR Test Rocket Propellant
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2009/8/26
NASA and the Air Force Office of Scientific Research, or AFOSR, have successfully launched a small rocket using an environmentally-friendly, safe propellant comprised of aluminum powder and water ice,...
Fundamental Study of Extendible Nozzle and Dual-Bell Nozzle for Reusable Rocket Engine
Extendible Nozzle Dual-Bell Nozzle Reusable Rocket Engine
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2009/8/19
An extendible nozzle and a dual-bell nozzle are considered to be feasible devices to improve performance of booster engines for near future reusable launch vehicles. Hot firing tests were conducted at...
Design and Hardware Verification of Canard Based Sounding Rocket Attitude Controller Using Adaptive Filter
Rockets Attitude Control Canard
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2009/8/19
Canard based controller using an adaptive notch filter is proposed to control the attitude of launch vehicles including the ISAS's sounding rocket `S-520'. As the characteristics of launch vehicles ar...
For the first time in more than a quarter-century a new space vehicle stands ready in NASA's Kennedy Space Center Vehicle Assembly Building. The Ares I-X rocket, its simulated crew module and launch ...