Results 51 to 60 of about 2,233 (228)
Multiphase Marine Ramjet Using Liquefied Gas as a Source of Bubbles
Journal of Marine Science and Engineering, 2020 An innovative variant of a multiphase marine ramjet is investigated analytically and experimentally. Pressure liquefied gas (LG) is injected, boiling under superheat conditions in the water stream within the propulsion unit, and serving as an on-board ...
Herman D. Haustein +2 more
doaj +1 more source
International Journal of Aerospace Engineering, Volume 2025, Issue 1, 2025.Background: Electromagnetic flow control is crucial in hypersonic gas dynamics, with key aspects of boundary layer electromagnetic flow control reviewed, focusing on numerical methods, simulations, and experimental research. Numerical Methods: Challenges such as numerical stiffness and instability arise from the coupling of electromagnetic fields with ...
Yang Du, Jun Liu, Hao Chen
wiley +1 more source
Analysis of nonconstant area combustion and mixing in ramjet and rocket-ramjet hybrid engines [PDF]
, 1966 One-dimensional analysis of variable area mixing and combustion process in supersonic ramjet and rocket-ramjet hybrid ...
Dobrowolski, A.
core +1 more source
Numerical Investigation of Inlet Topology Optimization for Additive Manufacturing [PDF]
Hangkong bingqiThe inlet is one of the important parts of ramjet, and its strength and stiffness are very important to the stability of ramjet. In order to reduce the negative mass of the ramjet and optimize the ramjet design, this paper takes an intake port as the ...
Guo Jiaqi, Sun Zhenhua, Liu Yadong, Bai Taotao
doaj +1 more source
CALCULATION AND REGULATION FEATURES OF DUCT-BURNING TURBOFAN ENGINE AT RAMJET MODES
Авіаційно-космічна техніка та технологія, 2020 A promising direction in aviation is the creation of anaircraft for supersonic cruise speeds (Mach 3...4). It is known that ramjet engines are more preferable for Mach numbers larger 3.
Олег Владимирович Кислов +1 more
doaj +1 more source
Авіаційно-космічна техніка та технологія, 2021 A method has been developed for selecting the geometric characteristics of the front and the length of the direct-flow combustion chamber. Afterburner combustion chambers are of the ramjet type and are used for a short-term increase in the thrust of a ...
Дмитрий Викторович Козел
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International Journal of Aerospace Engineering, Volume 2025, Issue 1, 2025.The choice of turbulence model significantly impacts the prediction of the supersonic combustion flow field. In this study, the transient autoignition process and steady supersonic combustion performance of methane fuel with adjustable reactivity in a scramjet combustor were numerically investigated, employing different turbulence models including ...
Zihan Wang +6 more
wiley +1 more source
Integrated rocket-ramjet engine [PDF]
, 2014 W artykule przedstawiono unikatową koncepcję budowy zintegrowanego silnika rakietowostrumieniowego. Proponowany system napędowy łączy różne tryby pracy tj.: rakietowy, rakietowo-strumieniowy, strumieniowy. Odpowiedni tryb pracy jest włączany w zależności
Wolański, P., Kalina, P., Kawalec, M.
core
Calculation method of gas flow of a ramjet engine [PDF]
, 2017 In the present study calculations algorithm of gas flow of ramjet engine are shown. The algorithm is based on the solution of two-dimensional gas dynamics equations. Calculations are done for ramjet model which consists of air intake, combustion chamber,
Костюшин, Кирилл Владимирович +2 more
core +3 more sources
Height Control of Supersonic Sea‐Skimming Missiles Based on Online Parameter Identification
International Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.This paper presents a height control approach employing real‐time parameter identification for supersonic sea‐skimming missiles. Firstly, an integrated identification technique based on the Unscented Kalman filter was established for supersonic cruise missiles.
Zhenyu Jiang +4 more
wiley +1 more source