Results 51 to 60 of about 4,679 (234)
Experimental investigation of erosion rate of insulation materials using hybrid rockets
FirePhysChem, 2021 Thermal insulation is essential to protect the exposed surface from high-temperature and high heat flux situations. The selection of suitable insulation materials plays a crucial role in determining rocket performance.
Phaninder Reddy Vaka +2 more
doaj +1 more source
HYBRID PROPELLANT ROCKET MOTOR [PDF]
International Conference on Aerospace Sciences and Aviation Technology, 1999 The paper deals with hybrid propellant rocket motor as a propulsion unit of prospective rocket weapon systems, as well as a drive unit of some cosmic rocket carriers. There are introduced possible constructional schemes of hybrid propellant rocket motor and is mentioned further on the particular general internal ballistic solution of the solid part of ...
openaire +1 more source
Concordance Between MR Safety Guidance Documents on Conditions for a Safe MR Environment
Journal of Magnetic Resonance Imaging, EarlyView.ABSTRACT Background Environmental conditions established at facility design, construction, updates, and/or procurement of specialized equipment are the foundation of safe MR practice. Establishing an institutional MR safety program must take into consideration the conditions of the MR environment, and staff training should be tailored to its features ...
Ives R. Levesque +3 more
wiley +1 more source
Design of a sounding rocket upper stage based on the hybrid rocket engine VISERION [PDF]
, 2022 In the context of the AHRES (Advanced Hybrid Rocket Engine Simulation) program of the German Aerospace Center (DLR), an upper stage for the Brazilian sounding rocket VSB-30 is designed. This third stage is based on the hybrid rocket engine VISERION.
Eggers, Thino +3 more
core +1 more source
AerospaceHybrid rocket motors have great development potential due to their outstanding thrust adjustment flexibility and long-term operation ability. However, nozzle erosion during the motor operation can cause an increase in the throat area of the nozzle, which
Xiangyu Meng +5 more
doaj +1 more source
Examining Metal Additives in a Marine Hybrid-Propellant, Water-Breathing Ramjet
Journal of Marine Science and Engineering, 2022 This research focuses on theoretically and experimentally evaluating the performance of a metallized hybrid-propellant, water-breathing ramjet. The aluminum and/or magnesium particles added to a polymeric (polyester) fuel grain are hydro-reactive, using ...
Nachum E. Eisen, Alon Gany
doaj +1 more source
First 20 Years of Orbitrap Mass Spectrometry as the Mainstream Analytical Technique
Mass Spectrometry Reviews, EarlyView.ABSTRACT This review traces the first 20 years of Orbitrap mass spectrometry as a mainstream high‑resolution and accurate‑mass (HR/AM) technology. It outlines the historical development of the Orbitrap analyzer, the evolution of major instrument families, and the key technological innovations that enabled its widespread adoption. Particular emphasis is
Alexander Makarov
wiley +1 more source
Regression Rate Study in HTPB/GOX Hybrid Rocket Motors. [PDF]
, 2013 The theoretical and experimenIal studies on hybrid rocket motor combustion research are briefly reviewed and the need for a clear understanding of hybrid rocket fuel regression rate mechanism is brought out.
Varkey, P. M. +4 more
core +1 more source
Review of Classical Diffusion-Limited Regression Rate Models in Hybrid Rockets
Aerospace, 2019 In this article, we undertake a concise review of several milestone developments in classical regression rate models of hybrid rocket motors. After a brief description of the physical processes entailed in hybrid rocket combustion, Marxman’s ...
Timothy Marquardt, Joseph Majdalani
doaj +1 more source
Special Issue “Hybrid Rocket (Volume II)”
Aerospace, 2022 Over the past 40 years, the loss rate for commercial passenger aircrafts has decreased down to about one in ten million, whereas the loss rate for spaceflight has remained high, in the 1% range [...]
Toru Shimada +2 more
openaire +4 more sources