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Improving and Evaluating the Performance of a Ramjet Combustor under Conditions of Attached Air Supply with a Thrust Meter
AbstractThis paper presents an analysis of approaches to ensuring the performance of a ramjet combustor using an unconventional method of measuring...
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Numerical Investigation of the Ramjet and Scramjet Operation Regimes of the HIFiRE-2 Combustion Chamber
AbstractThe processes of supply, mixing, and combustion of the JP-7 fuel in the ramjet and scramjet operation regimes of the combustion chamber in...
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Effect of Inlet Pressure on Flow Characteristics in Cavity-Based Flameholder under Subatmospheric Pressure
Cavity-based flameholder is expected to be applied for ramjets or afterburners, which could work efficiently in the high-altitude space with low...
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Parametric performance analysis of multiple reheat cycle for hydrogen fueled scramjet with multi-staged fuel injection
Multi-staged fuel injection is a good choice for hydrogen fueled scramjet engine to overcome the restriction of thermal choke and over-temperature....
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Analysis of the Oscillatory Flows of Multiple Shock Waves in a Constant Area Duct
The oscillatory response of multiple shock waves to downstream perturbations in a supersonic flow is studied numerically in a rectangular duct....
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Pilot Combustion Characteristics of RP-3 Kerosene in a Trapped-Vortex Cavity with Radial Bluff-Body Flameholder
The structure of the trapped-vortex cavity and radial flameholder can maintain stable combustion under severe conditions, such as sub-atmospheric...
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Formation of a transonic zone at the combustion of hydrocarbon fuel in a supersonic flow with M < 2
The combustion of a hydrocarbon fuel at the Mach number M = 1.7 was studied numerically. A transverse air stream was used to ignite the fuel supplied...
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Water jet angle prediction in supersonic crossflows: Euler–Lagrange and machine learning approaches
This study presents a comprehensive investigation into water jet injection dynamics in supersonic crossflows, employing a hybrid approach that...
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High-Temperature and High-Speed Gas Turbine Pump Electro-Hydraulic Energy System for Aircraft
This chapter covers the electro-hydraulic servo control technology and its practical progress of aircraft gas turbine pump; the design theory and...
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A Brief History of Space Flight
Outer space (or simply space) is the expanse that exists beyond the Earth and between celestial objects.
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Investigations on Emission Characteristics of a Liquid-Fueled Trapped Vortex Combustor
The combustion and emission formation process of liquid fuel in the trapped vortex combustor (TVC) are very complicated. A trapped vortex combustor...
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Stabilization of Supersonic Combustion of Propane in an Expanding Aerodynamic Channel with the Use of Low-Temperature Plasma
AbstractUnder the conditions of a nonstationary pulsating longitudinal-transverse discharge produced in a supersonic cold ( T = 175 K) air flow, the...
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Testing a dual-mode ramjet engine with kerosene combustion
Results of life firing tests of a dual-mode ramjet engine intended for operation in the speed range М = 3−6 are discussed. The tests were carried out...
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Gas-dynamic problems in off-design operation of supersonic inlets (review)
Modern concepts of operation of supersonic inlets of high-velocity air-breathing engines are analyzed. It is demonstrated that the flow in the engine...
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Comparative Analysis of Boron Powders Obtained by Various Methods. I. Microstructure and Oxidation Parameters during Heating
This paper describes a study of boron powders and powder compounds, obtained by various methods, including metallothermal, electrolytic, and borane...
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The electron temperature in the plasma of a DC discharge created in a supersonic airflow
The plasma parameters of a pulsating DC discharge created in a supersonic airflow with a Mach number of M = 2 are determined. It is revealed that...
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Effect of the configuration of the rear wall of the cavity on combustion in a supersonic combustor
Results of an experimental study of a supersonic combustor with a solid (continuous) and discrete (discontinuous) rear wall of the cavity are...
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Characteristics of dual-combustion ramjet
The authors discuss a possibility to use a diverging dual-combustion chamber as applied to high-supersonic boost ramjets operating at flight Mach...
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Investigation on Flow Structures of Supersonic Isolator Flow
Hypersonic vehicle of air breathing high speed flight employs a dual-mode engine that can perform scramjet and ramjet propulsion. Lots of researches...
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Functional mathematical model of a hydrogen-driven combustion chamber for a scramjet
A functional mathematical model of a hydrogen-driven combustion chamber for a scramjet is described. The model is constructed with the use of...