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Kongqi donglixue xuebao
Scopus
ISSN 0258-1825 · Editorial Office of Acta Aerodynamica Sinica · 231 artikel di indeks
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Artikel Jurnal
Current status and analysis of atmospheric turbulence kinetic energy dissipation rate retrieval by meteorological radar
Atmospheric turbulence is the key process of regulating the exchange of atmospheric materials and energy. As one of the core parameters of atmospheric turbulence, the turbulent energy dissipation rate (ε), its accurate inversion is very important for the fields of weather forecast, remote sensing…
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Artikel Jurnal
Thermal protection issues for reusable high-speed vehicles under combined thermal effects
This study focuses on reusable high-speed vehicles, investigating the physical modeling of aerodynamic heating near heated surfaces under coupled thermo-integrated effects, strongly unsteady heat conduction calculations on structural surfaces, and time-marching coupling strategies. A multi-level…
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Artikel Jurnal
Dynamic pressure stability of metal wire mesh accumulator
The mechanically pumped two-phase fluid loop (MPTL) is a thermal management system with high heat transportation capacity and precise temperature control. The accumulator, a key component of MPTL, regulates the system performance through its capillary structure. This study proposes a novel…
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Artikel Jurnal
Dual-Mesh Algorithm for Transient Coupled Heat Transfer in Multi-Body Enclosed Systems
Currently, numerical algorithms for simulating transient coupled heat transfer in multi-body closed systems — involving solid heat generation and conduction, gas-phase natural convection, and surface radiation — still suffer from limitations in stability, convergence, and computational efficiency…
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Artikel Jurnal
Numerical study on wake vortex characteristics and aerodynamic benefits of large aircraft in formation flight
Vortex surfing formation flight, a bioinspired lift enhancement and drag reduction technique, holds potential for reducing fuel consumption and extending range, serving as a critical pathway for aviation sustainability. However, its engineering application faces challenges due to the…
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Artikel Jurnal
Airfoil-DDPM: A non-parametric diffusion-based framework for airfoil generation
Accurate and flexible geometric parameterization is a cornerstone of modern aerodynamic design and optimization. While recent advances in generative modelling have improved airfoil design workflows by learning latent representations, most existing approaches still rely on traditional parametric…
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Artikel Jurnal
Aerodynamic principles and modeling of high-altitude wind harvesting parachute systems
High-altitude wind energy exhibits significant advantages, such as high power density and stable wind direction and speed, thereby demonstrating great potential for large-scale development and utilization. A ground-based airborne wind energy system utilizing a parachute-ladder configuration offers…
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Artikel Jurnal
Study on fluid-solid coupled heat transfer characteristics of fuel in regenerative cooling micro-channels
Regenerative cooling serves as a vital thermal protection approach for high-speed flight propulsion systems. Quantitatively revealing the fluid-solid coupled heat transfer rules in cooling micro-channels is crucial for the design and optimization of regeneration cooling structures. In this paper…
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Artikel Jurnal
Experimental and numerical study on the indued drag error of wheel spin unit and its correction in automotive wind tunnel
In modern automotive wind tunnels, wheel spin units (WSU) are used to simulate rotating wheels, but their finite-sized moving belts inevitably disturb the local flow, creating induced drag and resulting in measurement error. This study experimentally investigates the pressure field disturbance…
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Artikel Jurnal
Influence of surface roughness distribution on aerodynamic characteristics of vehicles
To address the challenge of predicting the effects of surface roughness on the aerodynamic characteristics and trajectory of vehicles during hypersonic reentry, this work establishes a feasible loosely coupled model integrating aerodynamics in engineering applications, aerothermal effects, dynamic…
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Artikel Jurnal
Heat flux identification and prediction for transpiration cooling systems based on the channel attention temporal U-Net
During high-speed flight, severe aerodynamic heating is encountered by the vehicle, and the accurate identification and prediction of surface heat flux are regarded as essential requirements for the design and optimization of thermal protection systems. Real time feedback on the spatiotemporal…
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Artikel Jurnal
Impact of key area optimization on the aerodynamic characteristics of a high-speed train in crosswind
To achieve lightweight and high speed, implementing drag reduction measures on trains is of great importance. However, the aerodynamic effects due to such measures can be amplified under crosswind conditions, leading to increased sensitivity in aerodynamic loads. This study investigates the…
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Artikel Jurnal
Gust loads alleviation of flying wing aircraft based on jet flow control
Due to the limitations of mechanical actuation systems, methods involving control surface deflections to address gust loads suffer from low maneuvering efficiency and limited control effectiveness. Considering the poor static stability characteristics of flying-wing aircraft, a study was conducted…
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Artikel Jurnal
Generation mechanism and suppression of lateral force on engine nacelle
Significant lateral forces induced by strong propeller slipstreams during low-speed takeoff pose a safety threat to multi-engine propeller aircraft. Effective suppression of these forces is crucial. This study investigates the generation mechanism of lateral forces on the engine nacelle under…
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Artikel Jurnal
Fundamental scientific issues of ultra-high-speed flow and heat transfer during planetary atmospheric entry
In future deep space exploration missions such as Mars sampling, manned landing on the moon, Jupiter system exploration, as the entry speed of the probe far exceeds the first cosmic velocity of the target planet, the system energy increases significantly. This leads to extreme flow and heat…
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Artikel Jurnal
Study on the high-performance evaporator for enhanced gasification via microbubble clusters
Enhancing the vaporization efficiency of evaporators is crucial for improved energy management and heat transfer enhancement. To explore efficient evaporation methods, this study proposes a novel technique that actively introduces microbubble clusters to intensify the vaporization of the working…
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Artikel Jurnal
Active control of supersonic jet based on multiple microjets
This study experimentally investigates the active control of a Mach 1.5 round jet using multiple steady radial microjets to enhance jet mixing. The control parameters include the pressure ratio of the main jet exit, the mass flow ratio of microjet to main jet, and the number of microjets. The…
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Artikel Jurnal
Effect of key parameters on receptivity of high-speed cone boundary layer to freestream slow acoustic waves
Predicting the boundary-layer transition process is a hot research issue in aerodynamics as well as an engineering demand for aircraft design. The eN method based on linear stability theory is widely regarded as the most scientific method for transition prediction, which has been applied in…
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Artikel Jurnal
Static aerodynamic characteristics of symmetrical wind turbine airfoils considering the influence of near-ocean underlying surface
This paper presents a numerical investigation into the effects of the ocean underlying surface (OUS) on the static aerodynamic characteristics of a symmetric NACA0012 airfoil near the sea surface, utilizing the volume of fluid (VOF) model. The interference of OUS on the static aerodynamic…
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Artikel Jurnal
Influence of flight/jet parameters on drag and heat reduction characteristics of opposing jet under real gas effects
Hypersonic vehicles experience significant aerodynamic drag and thermal loads during high-speed flight, where vibrational and electronic energy excitation of surrounding gas molecules, along with chemical reactions such as dissociation and ionization, make real gas effect non-negligible. As a novel…