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O. V. Kravchenko, O. A. Azarova and D. D. Knight
The problem of noise reduction in supersonic aircraft design is one of the key problems, the solution of which largely determines the speed of development of supersonic aviation as a whole. The present study examines the noise generation during flights o...
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Yongyuan Li, Guang Sun and Hongwei Han
Aerocapture, the action of delivering a vehicle from a hyperbolic orbit to a planetary orbit by using the aerodynamic force, could potentially lower fuel consumption. By controlling the direction and size of the aerodynamic force, the vehicle can accurat...
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Jianan Xu, Yiming Wang, Junling Ma and Yong Zhan
During the rough marine environment, heave compensation is used to offset the heave motion of the vessel when a marine crane lifts and lands the load. Thus, load motion and vessel motion are realized decoupled. In previous studies, the interference items...
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Wenting Li, Xiuhui Zhang, Yunfeng Dong, Yan Lin and Hongjue Li
Multi-stage launch vehicles are currently the primary tool for humans to reach extraterrestrial space. The technology of recovering and reusing rockets can effectively shorten rocket launch cycles and reduce space launch costs. With the development of de...
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Baowang Li, Xiaobing Wang, Junqiang Wu, Yang Tao and Neng Xiong
To study the aerodynamic characteristics of the convex structure of a surface-monitoring device on a high-speed train and to evaluate its impact on the aerodynamic performance of the high-speed train, numerical simulation research was conducted on three ...
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Dawid Tatarynow, Rafal Longwic, Przemyslaw Sander, Lukasz Zielinski, Michal Trojgo, Wincenty Lotko and Pawel Lonkwic
This article discusses current testing methods for motor vehicle engines. Traction engines have so far been tested, for example, according to WLTP (Worldwide Harmonized Light Vehicle Test Procedure) driving tests, but due to the ?VW?gate? incident, these...
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Hongqing Lv, Shan Liu, Jiahao Chen and Baoli Li
The energy consumption of a vehicle is closely related to the resistance it receives, and it is of great significance to study the drag reduction of a vehicle to promote energy conservation and emissions reductions. Boundary layer control drag reduction ...
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Lixin Wang, Shang Tai, Ting Yue, Hailiang Liu, Yanling Wang and Chen Bu
The wind tunnel virtual flight test realizes the dynamic semi-free flight of the model in the wind tunnel through the deflections of the control surface and uses the test data to identify the aerodynamic derivatives. The difference in dynamics between th...
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Bo Wu, Jianting Zhou, Jingzhou Xin, Hong Zhang, Liangliang Zhang and Xianyi Yang
In the present study, multiple-fan active control wind tunnel tests are conducted to investigate the aerodynamic forces on a 5:1 rectangular cylinder in sinusoidal streamwise winds with different angles of attack (AoA). The effects of the frequency, ampl...
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Ambareen Khan, Parvathy Rajendran and Junior Sarjit Singh Sidhu
In the present world, passive control finds application in various areas like flow over blunt projectiles, missiles, supersonic parallel diffusers (for cruise correction), the engine of jets, static testbeds of rockets, the ports of internal combustion e...
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