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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

Abstract

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
Authors:
AuthorsInstitution or Email of Authors
Eckel, Hans-AlbertUNSPECIFIED
Schall, WolfgangUNSPECIFIED
Walther, SebastianUNSPECIFIED
Date:August 2003
Journal or Publication Title:Storming Media Pentagon Reports
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:72
Status:Published
Keywords:NOZZLES, PROPULSION SYSTEMS, SOLID ROCKET PROPELLANTS, SPECIFIC IMPULSE, VACUUM
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
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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