Results 1 to 10 of about 148,565 (303)
Designing the bioproduction of Martian rocket propellant via a biotechnology-enabled in situ resource utilization strategy [PDF]
Nature Communications, 2021 Returning from Mars to Earth requires propellant. The authors propose a biotechnology-enabled in situ resource utilization (bioISRU) process to produce a Mars specific rocket propellant, 2,3-butanediol, using cyanobacteria and engineered E.
Nicholas S. Kruyer +4 more
doaj +3 more sources
Solid Rocket Propellant Photo-Polymerization with an In-House LED-UV Prototype. [PDF]
Polymers (Basel), 2023 Composite solid propellants have used cast molding production technology for many decades, with intrinsic limitations on production flexibility, promptness, and grain geometry, as well as environmental implications on toxicity and global carbon footprint.
Galavotti A +6 more
europepmc +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
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Reliability of solid rocket propellant grain under simultaneous action of multiple types of loads [PDF]
Scientific Technical Review, 2016 A case-bonded solid propellant rocket grain is subjected to many stress-inducing loads during the service life, due to temperature, extended polymerization, transportation, vibration, acceleration, aerodynamic heating etc.
Gligorijević Nikola +6 more
doaj +2 more sources
Open Chemistry, 2020 This review addresses a comparison, based on the literature, among nitrile rubber (NBR), ethylene-propylene-diene-monomer rubber (EPDM), and polyurethane (PU) elastomeric heat shielding materials (EHSM).
Amado Javier Carlos Quagliano +4 more
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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 +2 more sources
Research on Vision-based Position Measurement System for Rocket Propellant Loading [PDF]
E3S Web of Conferences, 2021 In the process of rocket propellant loading, the propellant's own gravity and wind pendulum may cause the connector to exert a large force on the rocket body, which may lead to connector disconnection and fuel leakage, or even damage to the rocket body ...
Han Tao, Dacheng Cong
doaj +1 more source
Case Studies in Thermal Engineering, 2022 The thermal safety of a solid rocket motor with a complex charge structure using CL-20 (Hexanitrohexaazaisowurtzitane)/GAP (Glycidyl Azide Polymer) propellant was evaluated. The morphology and thermal decomposition properties of the propellant were first
Yiyao Wang +5 more
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Application of electric thrusters in a spacecraft propulsion system [PDF]
Космические аппараты и технологии, 2022 The place of electric rocket thrusters in a spacecraft propulsion system is pointed out; the tasks for such propulsion system are described. The modern classification of electric thrusters is given, in accordance of that one there are four classes ...
N. E. Kovalenko, A. A. Vnukov
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Investigations on Internal Ballistic Characteristics of Pasty Propellant Rocket Engine
International Journal of Aerospace Engineering, 2021 Pasty rocket engines have broad application prospects in the aerospace field. To study the internal ballistic characteristics of the pasty propellant rocket engine, the burning surface change model of pasty propellant was built.
Xinyou Shan +5 more
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