Results 31 to 40 of about 142,443 (296)

Anaerobic external combustion thermal engines [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
Anaerobic engines are air-independent engines used in rocket and space technology, in submarines and in regular public service facilities. In rocket and space technology, liquid and solid rocket and jet engines are used.
V. I. Karagusov
doaj   +1 more source

Mechanical Compression Behaviour of "Green" Rocket Propellants [PDF]

open access: yesProblemy Mechatroniki, 2023
The issues related to mechanical resistance of solid rocket propellants, which can appear during storage or handling of the launching system, are considered to directly influence the burning performance.
Florin M. DÎRLOMAN   +5 more
doaj   +1 more source

Expert assessment of the selection criteria of disposal of decommissioned solid rocket charge disposal methods

open access: yesАвіаційно-космічна техніка та технологія, 2023
The subject of study in this article is the processes that occur during the disposal of solid fuel rockets, methods of disposal, and criteria for choosing an effective method of disposal. This study identified the most significant criteria that determine
Olena Zolotko   +2 more
doaj   +1 more source

Design, Production and Evaluation of 3D-Printed Mold Geometries for a Hybrid Rocket Engine

open access: yesAerospace, 2021
The feasibility of 3D-printed molds for complex solid fuel block geometries of hybrid rocket engines is investigated. Additively produced molds offer more degrees of freedom in designing an optimized but easy to manufacture mold.
Benedict Grefen   +3 more
doaj   +1 more source

The Adaptive Composite Block-Structured Grid Calculation of the Gas-Dynamic Characteristics of an Aircraft Moving in a Gas Environment

open access: yesMathematics, 2022
This paper considers the problem associated with the numerical simulation of the interaction between the cocurrent stream occurring near a monoblock moving in the gas medium and solid fuel combustion products flowing from a solid fuel rocket engine (SFRE)
Victor V. Kuzenov   +2 more
doaj   +1 more source

Time-resolved burning of solid fuels for hybrid rocket propulsion [PDF]

open access: yesProgress in Propulsion Physics, 2011
Features such as lowcost, safety, throttleability, and a wide range of appealing applications (e. g., interplanetary landers, boosters for space launcher, upper stage for Vega launcher) make hybrid rocket engines a very attractive option for aerospace propulsion.
DE LUCA, LUIGI   +9 more
openaire   +3 more sources

Autophage engines: towards a throttleable solid motor [PDF]

open access: yes, 2018
This paper describes the instrumented test firing of a rocket that seeks to combine the throttleability of a liquid-fueled engine with the simplicity of a solid motor.
Dron, Mykola   +5 more
core   +1 more source

Vortex containment for the gaseous-fission rocket [PDF]

open access: yes, 1961
The nuclear rocket is potentially capable of much higher specific impulse than any chemically fueled rocket, because of the high energy content per unit mass of the fissionable material.
Kerrebrock, Jack L.   +1 more
core   +1 more source

Effect of Metal Nanopowders on the Performance of Solid Rocket Propellants: A Review

open access: yesNanomaterials, 2021
The effects of different types of nano-sized metal particles, such as aluminum (nAl), zirconium (nZr), titanium (nTi), and nickel (nNi), on the properties of a variety of solid rocket propellants (composite, fuel-rich, and composite modified double base (
Weiqiang Pang   +7 more
doaj   +1 more source

Bridging the Technology Gap: Strategies for Hybrid Rocket Engines

open access: yesAerospace, 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

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