Results 1 to 10 of about 21,916 (129)

A versatile low-cost data acquisition system for small rocket engine test bench [PDF]

open access: yesHardwareX
Small sounding rockets often carry scientific instruments to collect data in atmospheric environments. In the context of university-level education and research, their development offers students a hands-on, multidisciplinary platform to study propulsion,
Daniel Strufaldi Batista   +1 more
exaly   +4 more sources

Petri Nets Applied in Purge Algorithm Analysis for a Rocket Engine Test with Liquid Propellant

open access: yesAerospace, 2023
During the development stage of a space vehicle, instrumented tests are carried out on the ground to prove the operational capacity of each liquid-propellant rocket engine, which is installed in this type of vehicle.
Evandro Rostirolla Bortoloto   +1 more
exaly   +3 more sources

Features of the Application of Friction Braking in High-Speed Track Tests [PDF]

open access: yesE3S Web of Conferences, 2023
The increase in the speed characteristics of newly developed aircraft models im-poses new requirements on the test bench equipment of rocket-rail tracks, including braking means. In this paper, the method of friction braking in the conditions of a rocket
Astakhov Sergey   +2 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

Development and Verification of a ROS-Based Multi-DOF Flight Test System for Unmanned Aerial Vehicles

open access: yesIEEE Access, 2023
Unmanned aerial vehicles (UAVs) are used in many research fields for diverse operations, requiring the system to be safe and efficient. Therefore, the UAV system’s robustness and integrity are paramount in its design and operation.
Shinhyung Kim   +3 more
doaj   +1 more source

Design of modernized test bench for analysis of cooling systems with intensification under inertial forces field [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
The article discusses the design of a modernized test bench for the study of cooling systems with intensification of inertial forces in the field. This bench will allow investigation the efficiency of heating the hydrocarbon coolant in the field of ...
V. V. Shalay, K. V. Shcherban
doaj   +1 more source

Thermal Behaviour of the Cooling Jacket Belonging to a Liquid Oxygen/Liquid Methane Rocket Engine Demonstrator in the Operation Box

open access: yesAerospace, 2023
The cooling jackets of liquid rocket engines are composed of narrow passages surrounding the thrust chambers and ensure the reliable operation of the engine.
Daniele Ricci   +3 more
doaj   +1 more source

Numerical Investigation on the Thermal Behaviour of a LOx/LCH4 Demonstrator Cooling System

open access: yesAerospace, 2021
Reliability of liquid rocket engines is strictly connected with the successful operation of cooling jackets, able to sustain the impressive operative conditions in terms of huge thermal and mechanical loads, generated in thrust chambers. Cryogenic fuels,
Daniele Ricci   +2 more
doaj   +1 more source

Experimental and Numerical Study of the Flammability Limits in a CH4/O2 Torch Ignition System

open access: yesEnergies, 2022
The current work is devoted to studying combustion initiation inside the methane-oxygen torch igniter for a hybrid rocket motor. The ignition system can generate a wide range of power and oxidizer-to-fuel ratios.
Olexiy Shynkarenko   +3 more
doaj   +1 more source

Study on the Service Performance of a Two-Stage Floating-Ring Isolation Seal for a High-Speed Turbopump with a Cryogenic Medium

open access: yesMachines, 2023
The reliability and stability of the seal at the fuel-supply end of a rocket-engine turbopump are important factors in determining safety. Conventional single-stage floating rings used for the isolation-sealing of cryogenic media are highly susceptible ...
Zifeng Song   +5 more
doaj   +1 more source

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