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Experimental Determination of the Impulse Coupling Coefficient - Standardization Issues

Scharring, Stefan and Sinko, John Elihu and Sasoh, Akihiro and Eckel, Hans-Albert and Röser, Hans-Peter (2011) Experimental Determination of the Impulse Coupling Coefficient - Standardization Issues. International Journal of Aerospace Innovations, 3 (1), pp. 33-43. Multi-Science Publishing. ISSN 1757-2258.

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Abstract

In research on beamed energy propulsion, the momentum coupling coefficient cm is a central figure of merit to characterize a propulsion system. Basically, the determination of cm is based on the measurement of imparted impulse and laser pulse energy. Nevertheless, the knowledge of laser pulse length, laser spot area and ablated mass is of great importance for the comparability of experimental results in laser ablative propulsion. The use of a great variety of measurement techniques for these parameters throughout the scientific community implies the risk of misunderstandings and might impede the comparability of results. In this paper, we present critical issues concerning the measurement of the aforementioned key parameters with respect to possible standardization issues. As an example, a simple laser propulsion experiment will be presented and compared with an experimental model from a different research group.

Document Type:Article
Title:Experimental Determination of the Impulse Coupling Coefficient - Standardization Issues
Authors:
AuthorsInstitution or Email of Authors
Scharring, Stefanstefan.scharring@dlr.de
Sinko, John ElihuNagoya University, Japan
Sasoh, AkihiroNagoya University, Japan
Eckel, Hans-AlbertHans-Albert.Eckel@dlr.de
Röser, Hans-Peterroeser@irs.uni-stuttgart.de
Date:March 2011
Journal or Publication Title:International Journal of Aerospace Innovations
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:3
Page Range:pp. 33-43
Publisher:Multi-Science Publishing
ISSN:1757-2258
Status:Published
Keywords:Laserantrieb, Laser Ablation, Impulskoppelkoeffizient, Standardisierung
HGF - Research field:Aeronautics, Space and Transport
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: Stefan Scharring
Deposited On:19 Sep 2012 14:26
Last Modified:07 Feb 2013 20:24

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