Results 1 to 10 of about 376 (170)
Review of Alternative Sustainable Fuels for Hybrid Rocket Propulsion
Aerospace, 2023 Hybrid rockets using specific oxidizer–fuel combinations are considered a green alternative to current propulsion systems, as they do not release very toxic or polluting exhausts, but only much less harmful substances such as carbon monoxide/dioxide and ...
Francesco Barato
doaj +5 more sources
Evaluation techniques for optical analysis of hybrid rocket propulsion
Journal of Fluid Science and Technology, 2016 This article summarizes recent results of data evaluation techniques obtained with optical investigations on the combustion behavior of hybrid rocket fuels. Tests are performed in a 2D slab burner configuration with windows on two sides.
Anna PETRAROLO, Mario KOBALD
doaj +6 more sources
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 +3 more sources
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 +2 more sources
FirePhysChem, 2021 This paper presents the status of developments worldwide regarding use of hybrid rocket motors for space transportation. Historical roots are presented and reasons for revisiting hybrid technology after a few decades of limited interest are examined ...
Adam Okninski +3 more
doaj +3 more sources
Beyond Traditional Phenolics: Disulfide Bonds for Performance Enhancement of Aerospace Ablation-Resistant Materials from Processing to Recycling. [PDF]
Adv Sci (Weinh)The dynamic disulfide bonds facilitated the development of high‐performance aerospace ablation‐resistant materials. At moderate temperature, the dissociation and recombination of disulfide bonds ensured excellent processability, mechanical properties, and recycling ability of phenolic resin; at high temperature, cleavage of disulfide bonds produced ...
Li Y +9 more
europepmc +2 more sources
Hypergolic Copper Cluster-Based Covalent Organic Frameworks. [PDF]
Adv Sci (Weinh)Hpergolic cluster‐based covalent organic framework (Cu3‐CB‐COF), assembled from aldehyde‐functionalized carborane monomers and trinuclear copper clusters, demonstrates a strong synergy between its catalytic copper nodes and energetic carborane backbones.
Qiao YZ +5 more
europepmc +2 more sources
A Review of Recent Developments in Hybrid Rocket Propulsion and Its Applications
AerospaceThis paper extensively reviews hybrid rocket propulsion-related activities from combustion engine designs to launch tests. Starting with a brief review of rocket propulsion development history, a comparison among the three bi-propellant rocket propulsion
Shih-Sin Wei +4 more
doaj +3 more sources
Hybrid Rocket Underwater Propulsion: A Preliminary Assessment [PDF]
Aerospace, 2019 This paper presents an attempt to use the hybrid rocket for marine applications with a 500 N class hybrid motor. A 5-port high density polyethylene (HDPE) fuel grain was used as a test-bed for the preliminary assessment of the underwater boosting device. A rupture disc preset to burst at a given pressure was attached to the nozzle exit to prevent water
Heejang Moon
exaly +2 more sources
Bridging the Technology Gap: Strategies for Hybrid Rocket Engines
Aerospace, 2023 Hybrid rocket propulsion, first demonstrated by the Russian GIRD-09 rocket in 1933, combines liquid oxidizer and solid fuel for thrust generation. Despite numerous advantages, such as enhanced safety, controllability, and potential environmental benefits,
Christopher Glaser +2 more
doaj +1 more source