Results 31 to 40 of about 28,421 (204)
The Effect of Fuel Injection on the Combustion Characteristics of Gas-Solid Two-Phase Gas [PDF]
Hangkong bingqiFuel injection significantly affects the combustion characteristics of gas-solid two-phase gas in solid rocket scramjet. The effects of fuel equivalent ratio and fuel injection port arrangement on the combustion characteristics of gas-solid two-phase gas
Zhao Libei, Ma Likun, Xia Zhixun, Feng Yunchao, Chen Binbin, Liu Yandong
doaj +1 more source
Study on Trajectory Optimization of Hypersonic Vehicle Based on Neural Network
Frontiers in Energy Research, 2022 For the horizontal take-off hypersonic cruise aircraft, research on the combined design method of multi-section was carried out, the main design parameters of different sections were analyzed, the parametric design model of the flight path was ...
Feichao Cai, Xing Huang
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Advanced Science, EarlyView.By altering surface chemical bonds to prolong relaxation time and shift absorption to lower frequencies, SiC/rare earth–sulfur (RE─S, RE = La, Ce, Pr, Sm, Gd, Er) materials achieve excellent low‐frequency electromagnetic wave absorption under extreme conditions, offering a new direction for designing high‐performance SiC‐based absorbers.
Zhanming Wu +5 more
wiley +1 more source
Aerothermodynamics issues of the DLR hypersonic flight experiment SHEFEX-I [PDF]
, 2008 Here is presented an overview of the hypersonic experiment on sharp edge concepts, SHEFEX-I. The project, being performed under responsibility of the German Aerospace Center (DLR), is aimed to investigate the behavior and the possibilities of an improved
Eggers, Thino +2 more
core
Deep transfer learning for three-dimensional aerodynamic pressure prediction under data scarcity
Theoretical and Applied Mechanics LettersAerodynamic evaluation under multi-condition is indispensable for the design of aircraft, and the requirement for mass data still means a high cost. To address this problem, we propose a novel point-cloud multi-condition aerodynamics transfer learning ...
Hao Zhang +4 more
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Journal of Thermal Science and Technology, 2020 High-enthalpy dissociating aerodynamic environment during high-speed spacecraft entries brings new challenges to the prediction of heat transfer characteristics on the surface of thermal protection system.
Xiaofeng YANG +5 more
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Assessment of Radiative Heating for Hypersonic Earth Reentry Using Nongray Step Models
Aerospace, 2022 Accurate prediction of the aerothermal environment is of great significance to space exploration and return missions. The canonical Fire II trajectory points are simulated to investigate the radiative transfer in the shock layer for Earth reentry at ...
Xinglian Yang +3 more
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Numerical and Experimental Investigations of a Generic Rocket Launcher Configuration with Cold Plume in Hypersonic Flow [PDF]
, 2013 A generic rocket launcher geometry is studied experimentally and numerically at hypersonic flow conditions including a cold plume. The experiments are conducted in a hypersonic Ludwieg tube while numerical calculations are performed with a finite-volume
Oßwald, Kai +4 more
core
Performance modeling of flame-assisted fuel cells based on a swirl burner
AIP AdvancesAiming at the problems of a narrow operating range and complex modeling of Flame-assisted Fuel Cells (FFCs), an FFC system based on a swirl burner is proposed, and neural network algorithms are used to construct the prediction model for the polarization ...
Yiming Liu +4 more
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Applied SciencesCompressor characteristic evaluation is a critical step in design and optimization. Corrected characteristic curves are typically derived via experimental testing or CFD computation which is typically executed through manual manipulation. For compressors
Junbing Liu, Xiaoqiang Fan, Xiao Tang
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