Results 11 to 20 of about 17,329 (212)
Beeswax–EVA/Activated-Charcoal-Based Fuels for Hybrid Rockets: Thermal and Ballistic Evaluation
Energies, 2022 Beeswax (C46H92O) is a naturally derived substance that has the potential to be used as a solid fuel for hybrid rocket applications and as a substitute for paraffin wax fuel in hybrid rockets.
Sri Nithya Mahottamananda +3 more
doaj +1 more source
Hybrid Rockets as Post-Boost Stages and Kick Motors
Aerospace, 2021 Hybrid rockets are attractive as post-boost stages and kick motors due to their inherent safety and low cost, but it is not clear from previous research which oxidizer is most suitable for maximizing ΔV within a fixed envelope size, or what impact O/F ...
Landon Kamps +2 more
doaj +1 more source
Performance of Additively Manufactured Fuels for Hybrid Rockets
Aerospace, 2023 Hybrid rocket engine (HRE) performance is dependent on fuel/oxidizer selection and fuel grain geometry. A literature review was performed to identify key trends and findings related to the application of the additive manufacturing (AM) of fuel systems ...
Calvin Nguyen, James C. Thomas
doaj +1 more source
Defence Science Journal, 2011 With their unique operational characteristics, hybrid rockets can potentially provide safer, lower-cost avenues for spacecraft and missiles than the current solid propellant and liquid propellant systems. Classical hybrids can be throttled for thrust tailoring, perform in-flight motor shutdown and restart.
Sankaran Venugopal +2 more
openaire +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
Design and trade-offs of a pole-sitter mission [PDF]
, 2013 This paper provides a mission analysis and systems design of a pole-sitter mission, i.e. a spacecraft that is continuously above an Earth Pole, and can provide real-time, continuous and hemispherical coverage of the polar regions.
Ceriotti, Matteo +2 more
core +2 more sources
Burn Time Correction of Start-Up Transients for CAMUI Type Hybrid Rocket Engine
Aerospace, 2021 Burn time errors caused by various start-up transient effects have a significant influence on the regression modelling of hybrid rockets. Their influence is especially pronounced in the simulation model of the Cascaded Multi Impinging Jet (CAMUI) hybrid ...
Tor Viscor +3 more
doaj +1 more source
Aerospace, 2021 This paper presents the development of indigenous hybrid rocket technology, using 98% hydrogen peroxide as an oxidizer. Consecutive steps are presented, which started with interest in hydrogen peroxide and the development of technology to obtain High ...
Adam Okninski +9 more
doaj +1 more source
Hybrid material performance assessment for rocket propulsion
Journal of the Mechanical Behavior of Materials, 2022 Fuel based on hybrid green material is of paramount importance for various military and civilian purposes. This work presents a novel expert-based multi-criteria hierarchy and decision-making model to evaluate various chemical rocket propulsion ...
AL-Oqla Faris M., Hayajneh Mohammed T.
doaj +1 more source
Effect of tangential swirl air inlet angle on the combustion efficiency of a hybrid powder-solid ramjet [PDF]
, 2019 A new ramjet configuration using powder and solid fuel as propellant is investigated, namely, hybrid powder-solid ramjet (HPSR). Boron particles were used as the powder in this study.
ANSYS Inc +49 more
core +1 more source