Results 31 to 40 of about 6,709 (233)

Improvement of Mixing Efficiency in the Combustion Chamber of a Powder-Fuel Ramjet Engine

open access: yesFrontiers in Energy Research, 2021
The challenge of the powder-fuel ramjet is to improve the mixing effect of powder-fuel with oxidizing agents and combustion efficiency. To improve the mixing and combustion efficiency of the powder-fuel ramjet engine, three configurations in head shapes ...
Wenxiong Xi, Jian Liu, Ren Mengfei
doaj   +1 more source

Intensification of heat-exchange of a direct-flow steam boiler of a coil type based on an educational laboratory stand [PDF]

open access: yesE3S Web of Conferences, 2023
In the work under consideration, using an experimental stand formed by a cylindrical coil, the modes of air movement through the flue of a ramjet steam boiler were investigated. Experimental studies have revealed shortcomings in the operation of a direct-
Bekhterev Dmitriy   +4 more
doaj   +1 more source

Design Method and Characteristics of an Inward-Turning Inlet Combining ICFA with Pressure Gradient

open access: yes气体物理
The performance of the inward-turning inlet is mainly determined by the axisymmetric basic flowfield. Using the ICFA (internal conical flow A) flowfield outlet as the initial boundary and specifying the pressure gradient distribution along the ...
Xiong GAO   +4 more
doaj   +1 more source

Pseudo-shock waves and their interactions in high-speed intakes [PDF]

open access: yes, 2016
In an air-breathing engine the flow deceleration from supersonic to subsonic conditions takes places inside the isolator through a gradual compression consisting of a series of shock waves.
Gnani, F., Kontis, K., Zare-Behtash, H.
core   +1 more source

Equation of motion of an interstellar Bussard ramjet with radiation and mass losses

open access: yes, 2007
An interstellar Bussard ramjet is a spaceship using the protons of the interstellar medium in a fusion engine to produce thrust. In recent papers, it was shown that the relativistic equation of motion of an ideal ramjet and of a ramjet with radiation ...
Abramowitz   +11 more
core   +5 more sources

A method for comparing the performance of power plants for vertical flight [PDF]

open access: yes, 1952
A new method of power plant selection for vertical flight is proposed. It can be used to determine whether the performance of a rocket design can be improved by substituting for the rocket motor a different power plant such as a ramjet.
Tsien, H. S.
core   +1 more source

C/C-SiC Composites for Nozzle of Solid Propellant Ramjet

open access: yesJournal of Aeronautical Materials, 2017
Carbon fiber reinforced carbon and silicon carbide matrix composites for nozzle inner of solid propellant ramjet were prepared by using the hybrid process of "chemical vapor infiltration + precursor impregnation pyrolysis (CVI+PIP)".
WANG Lingling   +5 more
doaj   +1 more source

An Experimental Study of the Performance of a Subscale Kerosene - Fuelled Ejector Ramjet at Simulated Takeoff [PDF]

open access: yes, 1996
The ejector ramjet is a rocket based combined cycle propulsion system in which a rocket and ramjet are integrated to accrue synergistic benefits. A proof-of-concept experiment to augment the thrust of a simulated rocket by the induction of air through ...
Isaac, JJ   +7 more
core  

Numerical Analysis of Ramp Angle Effects on Shock Wave Compressor Performance for Carbon Dioxide Compression

open access: yesInternational Journal of Aerospace Engineering, Volume 2026, Issue 1, 2026.
The increasing atmospheric carbon dioxide (CO2) concentration represents a major challenge in climate change mitigation. Carbon capture and storage (CCS) technology has emerged as an effective solution for CO2 emissions reduction, where the compression process plays a crucial role due to its significant energy requirements.
Mostafa Zahedzadeh   +3 more
wiley   +1 more source

Thermal Release Characteristics of Aeroengine Combustor Outlet Modulated by Gliding Arc Plasma

open access: yesAdvanced Science, Volume 12, Issue 41, November 6, 2025.
Gliding arc plasma‐assisted combustion significantly improves aeroengine combustor. Gliding arc plasma moves flames closer to the fuel source, enabling complete burning. This increases the combustion efficiency by 10.3% and raises outlet temperature by 141.6°C.
Lei Zhang   +5 more
wiley   +1 more source

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