Results 51 to 60 of about 666 (129)

Feasibility Study: Vertical Farm EDEN [PDF]

open access: yes, 2013
Hundreds of millions of people around the world do not have access to sufficient food. With the global population continuing to increase, the global food output will need to drastically increase to meet demands.
Schubert, Daniel   +2 more
core  

From Lampoldshausen to Orbit: DLR Spin-off GreenDelta and the Development Status of Green Propellant Thrusters Based on H2O2 and N2O [PDF]

open access: yes, 2023
The German Aerospace Center's Institute of Space Propulsion in Lampoldshausen has more than a decade of experience in green propellant research and green propulsion hardware development. In the frame of internal research projects as well as ESA and third-
Dobusch, Julian   +6 more
core  

Investigations on Rheology, Spray and Combustion Processes of Gelled Propellants at DLR Lampoldshausen

open access: yes, 2019
Gelled propellants and their specific properties are of interest for both rocket and ramjet applications due to the capability for implementation a freely adjustable thrust control in combination with easy handling and high operational safety. The combination of performance flexibility and storage characteristics merges the major advantages of liquid ...
Kirchberger, Christoph   +4 more
openaire   +1 more source

Cooperative Development of L75 LOX Ethanol engine: Current Status with Focus on Capacitive Chamber Testing [PDF]

open access: yes, 2016
In 2011 DLR and AEB agreed to cooperate in the field of liquid propulsion. The L75 engine project, which started in 2008 in Brazil, is the focus of this effort.
Burkhardt, Holger   +6 more
core  

Development of an Aeroelastic Modeling Capability for Transient Nozzle Side Load Analysis [PDF]

open access: yes
Lateral nozzle forces are known to cause severe structural damage to any new rocket engine in development. Currently there is no fully coupled computational tool to analyze this fluid/structure interaction process.
Chen, Yen-Sen   +3 more
core   +1 more source

Cold Gas Subscale Test Facility P6.2 at DLR Lampoldshausen [PDF]

open access: yes, 2002
The cold gas Subscale Test Facility (SSTF) P6.2, located at the German Aerospace Center DLR in Lampoldshausen is used to test nozzles, diffusers and ejectors in an easy, quick, reliable and effective way with gaseous nitrogen. Some experimental set-ups with nozzles, diffusers and ejectors will be shown.
Kronmüller, H.   +3 more
openaire   +1 more source

DL­R­magazine 162 – Shar­ing the sky [PDF]

open access: yes, 2019
What's new this autumn? The DLRmagazine it certainly is. The cover article, 'Sharing the sky', explains the need for new regulations in a changing air transport system in which manned and unmanned aircraft share airspace.
Birschmann, Nils   +2 more
core  

Viscosity and regression rate measurements of paraffin based hybrid solid fuels [PDF]

open access: yes, 2014
LAUREA MAGISTRALENonostante siano nati nello stesso periodo di solidi e liquidi, i sistemi a propulsione ibrida sono stati i meno studiati ed utilizzati.
DI BETTA, SERENELLA
core  

Galileo and new opportunities in Satellite Navigation [PDF]

open access: yes, 2019
Los sistemas de posicionamiento y navegación asistidos por satélites constituyen uno de los campos en constante crecimiento, tanto en oportunidades laborales como en nuevas líneas de investigación, en la Ingeniería de Telecomunicación en este momento ...
García Crespillo, Omar
core  

Aeroelastic Modeling of a Nozzle Startup Transient [PDF]

open access: yes
Lateral nozzle forces are known to cause severe structural damage to any new rocket engine in development during test. While three-dimensional, transient, turbulent, chemically reacting computational fluid dynamics methodology has been demonstrated to ...
Chen, Yen-Sen   +3 more
core   +1 more source

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