Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Gerhard Kroupa"'
Publikováno v:
Laser Technology for Defense and Security XVII.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dd35887640addf7f2980b4257c44a08
https://doi.org/10.1117/12.2618755
https://doi.org/10.1117/12.2618755
Autor:
Gerhard Kroupa, Michael Börner
Publikováno v:
International Conference on Space Optics — ICSO 2018.
During the last years the CTR HiPoLas ignition system, originally developed for the ignition of automotive engines, has reached a sufficiently high level of stability and miniaturization to enable competitive operation on space craft engines 1. The f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::742170ec19a2ad454100240b79b6c4e6
https://doi.org/10.1117/12.2536117
https://doi.org/10.1117/12.2536117
Autor:
Chiara Manfletti, Michael Börner, Dmitry Suslov, Michael Oschwald, Justin Hardi, Gerhard Kroupa
This paper reports the results of a test campaign of a laser-ignited combustion chamber with 15 shear coaxial injectors for the propellant combination LOX/methane. 259 ignition tests were performed for sea-level conditions. The igniter based on a mon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb38d127ec263a553f2ccb78639189f8
https://elib.dlr.de/123955/
https://elib.dlr.de/123955/
In search of reliable and light-weight ignition systems for re-ignitable upper stage engines, a laser ignition system was adapted and tested on an experimental combustion chamber for propellant injection into low combustion chamber pressures at 50–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fa15d81ebce465db4d0ef47516217eb
https://doi.org/10.1007/s12567-017-0161-9
https://doi.org/10.1007/s12567-017-0161-9
This paper reports on the repetitive laser ignition by optical breakdown within an experimental rocket combustion chamber. Ignition was performed by focusing a laser pulse generated by a miniaturized diode-pumped Nd:YAG laser system. The system, whic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1c42ba24731b921b7aae28163cf4b10
https://doi.org/10.1007/s12567-017-0163-7
https://doi.org/10.1007/s12567-017-0163-7
Publikováno v:
Laser Ignition Conference 2017.
Promising a number of advantages compared to existing ignition systems, the use of focused laser light to generate a spark for ignition in rocket combustion chambers has been studied around the world for several years now. At Airbus Safran Launchers,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76234cd7e391a45d6c375741e6d29c74
https://doi.org/10.1364/lic.2017.lfa4.3
https://doi.org/10.1364/lic.2017.lfa4.3
Laser Ignition for Aerospace Applications using the Rugged Miniaturized HiPoLas® Nd-YAG Laser System
Publikováno v:
Laser Ignition Conference 2017.
We present an overview on requirements on a laser igniter for aerospace applications. A summary on the development history of the CTR HiPoLas ignition system is given and performance data of the latest generation including testing under harsh environ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d43e95bc178df8d4aef328542acc9da
https://doi.org/10.1364/lic.2017.ltha4.1
https://doi.org/10.1364/lic.2017.ltha4.1
Autor:
Chiara Manfletti, Gerhard Kroupa
Publikováno v:
Optics express. 21
An experimental study has been conducted to assess the feasibility of implementing laser ignition in cryogenic reaction and control and orbital manouvering thrusters. A experimental thruster with a single-coaxial injector element combustion chamber f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::087294f0b44983263c30c11da14809af
https://pubmed.ncbi.nlm.nih.gov/24514931
https://pubmed.ncbi.nlm.nih.gov/24514931
Autor:
Mario Villa, Gerhard Kroupa, Gudrun Bruckner, M. Hainbuchner, Matthias Baron, Helmut Rauch, Heinz Amenitsch, E. Seidl
Publikováno v:
Journal of Applied Crystallography. 33:851-854
In 1998, the combined Interferometer and Ultra Small Angle Neutron Scattering (USANS) instrument S18 at the 58 MW High Flux Reactor at the Institute Laue-Langevin in Grenoble (France) started operation. The instrument has been upgraded to allow more
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::179369d09efbd4f2cdf08e0e511e6bf0
https://doi.org/10.1107/s0021889899013394
https://doi.org/10.1107/s0021889899013394
Publikováno v:
Optical Engineering. 48:014202
A robust, miniaturized, diode-pumped high-energy neodymium doped yttrium aluminium garnet (Nd:YAG) laser with passive Q-switch generating 25 mJ at 3 ns has been demonstrated at repetition rates of up to 150 Hz. The device is designed for ignition of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a49f02dd6d9339ec8638799ce2b0ffd
https://doi.org/10.1117/1.3072958
https://doi.org/10.1117/1.3072958