Lightcraft Impulse Measurements under Vacuum
Eckel, Hans-Albert and Schall, Wolfgang and Walther, Sebastian (2003) Lightcraft Impulse Measurements under Vacuum. Project Report. A237714, 72 S.
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Official URL: http://www.stormingmedia.us/23/2377/A237714.html
Under an EOARD contract, the DLR has conducted a series of comparative impulse measurements for two different lightcraft configurations with the same nozzle exit diameter of 10 cm: The German design (GL) is of the more conventional parabolical bell shape with a plasma breakdown region at the focal point of a parabola. The second lightcraft was supplied by the Air Force Research Laboratory (AFRL), and was designated as model 200-3/4. The experiments utilized the DLR multi-gas laser, running in CO(2) with a laser wavelength of 10.6 m. It was the goal of this investigation to extend previous atmospheric impulse measurements to a vacuum environment and to measure specific propellant consumption of the solid propellant Delrin in order to determine the exhaust velocity and the specific impulse for both lightcrafts as a function of the laser pulse energy at various pressures.
|Document Type:||Monograph (Project Report)|
|Title:||Lightcraft Impulse Measurements under Vacuum|
|Journal or Publication Title:||Storming Media Pentagon Reports|
|In ISI Web of Science:||No|
|Number of Pages:||72|
|Keywords:||NOZZLES, PROPULSION SYSTEMS, SOLID ROCKET PROPELLANTS, SPECIFIC IMPULSE, VACUUM|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Laser Research and Technology|
|Institutes and Institutions:||Institute of Technical Physics|
|Deposited By:||Dr.rer.nat. Hans-Albert Eckel|
|Deposited On:||30 Mar 2006|
|Last Modified:||27 Apr 2009 05:05|
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