Results 11 to 20 of about 678 (224)

Numerical simulations of temperature fields in the uncooled nozzle of a short-range anti-aircraft rocket engine with an insert in the critical section made of various materials [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej, 2021
. The paper presents numerical simulations of transient heat conduction in the uncooled nozzle of a short-range anti-aircraft rocket engine. The calculations were made for the configuration of the nozzle with an insert in the critical section made of ...
Mateusz Zieliński   +3 more
doaj   +1 more source

Wernher Von Braun’s Pioneering Work in Modelling and Testing Liquid-Propellant Rockets [PDF]

open access: yesINCAS Bulletin, 2022
This paper presents a view on how Dr. Wernher Von Braun laid the basis for realistic modelling and testing liquid-propellants rockets, by his PhD Thesis – a secret document in 1934, which remained classified until 1960.
Nicolae-Florin ZAGANESCU   +2 more
doaj   +1 more source

Increasing the efficiency and stability of fuel supply to the combustion chamber of a liquid rocket engine by spray nozzles

open access: diamondВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
In this paper, various configurations of jet nozzles are analyzed, as well as their design. The effects of the inlet chamfer of jet nozzles on their flow rate and range are considered.
Yu. I. Ageenko, A. S. Bubnova
doaj   +3 more sources

Ablation performance of 3D C/SiC composite nozzles under double-component liquid power environment

open access: yesCailiao gongcheng, 2022
In order to explore the ablation characteristics of C/SiC ceramic composite nozzles in the working environment of liquid rocket engines, 3D C/SiC composite nozzle was prepared by the precursor impregnation pyrolysis(PIP) process, and the ablation test of
BAI Longteng   +4 more
doaj   +1 more source

Joint design and simulation of GOX-GCH4 combustion and cooling in an experimental water-cooled subscale rocket engine [PDF]

open access: yesINCAS Bulletin, 2023
This paper presents the authors’ most recent research regarding the feasibility of cooling a 1 kN scaled-down experimental rocket engine, running on gaseous oxygen and gaseous methane, for a ground test.
Alexandru MEREU, Dragos ISVORANU
doaj   +1 more source

Design results of a supersonic nozzle with double expansion for a first stage liquid rocket engine using computer analysis methods

open access: yesАвіаційно-космічна техніка та технологія, 2023
The subject of this study is dual-bell supersonic nozzles of liquid rocket engines. The goal is to design a dual-bell supersonic nozzle that will provide maximum thrust for a liquid rocket engine in the first stage of a launch vehicle by solving an ...
Ivan Dubrovskyi
doaj   +1 more source

Parametric study of the influence of location and extension height of the rod interceptor on jet engine nozzle characteristics

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
Modern aircraft need increased maneuverability to maintain a competitive position. One way to improve this characteristic is to use methods to adjust the thrust vectors of a jet engine nozzle.
K. O. Tishchenko   +2 more
doaj   +1 more source

Experimental Firing Test Campaign and Nozzle Heat Transfer Reconstruction in a 200 N Hybrid Rocket Engine with Different Paraffin-Based Fuel Grain Lengths

open access: yesAerospace, 2023
Firing test campaigns were carried out on a 200 N thrust-class hybrid rocket engine, using gaseous oxygen as an oxidizer and a paraffin-wax-based fuel.
Daniele Cardillo   +4 more
doaj   +1 more source

Effect of Secondary Combustion on Thrust Regulation of Gas Generator Cycle Rocket Engine

open access: yesApplied Sciences, 2022
Thrust regulation is applied to maintain the performance of the liquid propellant rocket engine. The thrust level of a rocket engine can be readily controlled by adjusting the number of propellants introduced into the combustion chamber. In this study, a
Sohaib Khan   +4 more
doaj   +1 more source

Investigation of a Radial Turbines Compatibility for Small Rocket Engine [PDF]

open access: yesE3S Web of Conferences, 2020
In the radial turbine preliminary design for an expander rocket engine, a comparison was made with axial turbine used in Pratt & Whitney RL10 engine. One of the primary requirements of a liquid propellant rocket engine is the generation of a high thrust,
Leto Angelo
doaj   +1 more source

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