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Shuaibin An, Jianwen Zang, Ming Yan, Baiyang Zhu and Jun Liu
Wide-speed-range vehicles are characterized by high flight altitude and high speed, with significant changes in the flight environment. Due to the strong uncertainty of its aerodynamic characteristics, higher requirements are imposed on attitude control....
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Mingyuan Jiang and Shuangxia Niu
Stand-alone wind power generator.
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Zonghan Yu, Guoping Huang, Ruilin Wang and Omer Musa
In this work, a new spillage-adaptive bump inlet concept is proposed to widen the speed range for hypersonic air-breathing flight vehicles. Various approaches to improve the inlet start-ability are summarized and compared, among which the bump-inlet patt...
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Chiu-Keng Lai, Jhang-Shan Ciou and Chia-Che Tsai
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Miklós Zrínyi, Masami Nakano
Pág. 15 - 18
We have presented the first direct observation of electric field induced rotation of epoxy based polymer rotors. Polymer disks and gears were prepared in few micrometer dimensions as rotors. Electrorotation of these sub-millimeter sized tools was studied...
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Vitaly Fedotov, Albyna Gorbacheva, Anna Dorodnikova, Maria Yerokhina
Pág. 200 - 204
The article provides scientific basis for a new innovative concept of cleaning the polluted ambient air in a city road network during road transportation and a calculative model for changes in concentrations of polluting agents for mobile cleaning units ...
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Mohamed A. A. Mohamed, Seang Shen Yeoh, Jason Atkin, Ahmed M. Diab, Mohsen Khalaf and Serhiy Bozhko
A control approach for aircraft Starter/Generator (S/G) with Permanent Magnet Machine (PMM) operating in Flux Weakening (FW) mode is presented. The proposed strategy helps the previous approaches which are adopted for the Variable Voltage Bus (VVB) or Vo...
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Ondrej Novak, Marek Bobcik, Martin Luxa, Jaroslav Fort, Bartolomej Rudas, Jaroslav Synac, David Simurda, Jiri Furst, Jan Halama, Vladimir Hric, Jaromir Prihoda and Zdenek Simka
Recent trends in the electric energy market such as biomass, waste incineration or combined cycle power plants require innovative solutions in steam turbine design. Variable operating conditions cause significant changes in flow field surrounding the ste...
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Dhwanil Shukla and Narayanan Komerath
Aerodynamic interactions between rotors are important factors affecting the performance of in-plane multirotor Unmanned Air Vehicles (UAVs) or drones, which are the majority of small size UAVs (or mini-drones). Optimal design requires knowledge of the fl...
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Gareth Erfort, Theodor Willem von Backström, Gerhard Venter
Wind conditions in South Africa are suitable for small-scale wind turbines, with wind speeds below 7 m.s-1. This investigation is about a methodology to optimise a full wind turbine using a surrogate model. A previously optimised turbine was further opti...
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Jin Gao, Ziyi Kang, Weiheng Sun, Youyin Wang, Junlong Zhang and Wen Bao
With the in-depth research on hypersonic aerodynamics and hypersonic propulsion technology, humans are growing closer to space travel. Recent studies have shown that the pre-cooled air-turborocket (ATR) or turboexpander engines are some of the potential ...
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Tianyu Yang, Xin Wang and Zhengjiang Liu
With the aim to solve the problem of missing or tampering of ship type information in AIS information, in this paper, a novel ship type recognition scheme based on ship navigating trajectory and convolutional neural network (CNN) is proposed. Firstly, ac...
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Soung Woo Park, Jeong Hwan Kim and Jung Kwan Seo
Hydrogen is widely regarded as a key element of prospective energy solutions for alleviating environmental emission problems. However, hydrogen is classified as a high-risk gas because of its wide explosive range, high overpressure, low ignition energy, ...
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Hafizul Islam, Serge Sutulo and C. Guedes Soares
Aerodynamic loads and moments on a naval patrol vessel are investigated using computational fluid dynamic simulations based on the OpenFOAM solver. After the initial turbulence, time, and grid dependency study, model scale simulations were performed for ...
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Yi-Ren Wang, Yun-Shuo Chang
Pág. 270 - 291
This work investigates the primary resonance and internal resonance of a double-section beam with cubic nonlinearities. This model can be applied in a wide range of engineering problems, such as rocket and missile structures. Even space technology has be...
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Mai Ibraheam, Kin Fun Li, Fayez Gebali and Leonard E. Sielecki
Object detection is one of the vital and challenging tasks of computer vision. It supports a wide range of applications in real life, such as surveillance, shipping, and medical diagnostics. Object detection techniques aim to detect objects of certain ta...
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Shambhavi Nandan, Christophe Fochesato, Mathieu Peybernes, Renaud Motte and Florian De Vuyst
Compressible multi-materialflows are encountered in a wide range of natural phenomena and industrial applications, such as supernova explosions in space, high speed flows in jet and rocket propulsion, underwater explosions, and vapor explosions in post a...
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Simone Berneschi, Giancarlo C. Righini and Stefano Pelli
Glasses, in their different forms and compositions, have special properties that are not found in other materials. The combination of transparency and hardness at room temperature, combined with a suitable mechanical strength and excellent chemical durab...
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Min-Su Kim, Youngoo Yang, Hyungmo Koo and Hansik Oh
To improve the performance of analog, RF, and digital integrated circuits, the cutting-edge advanced CMOS technology has been widely utilized. We successfully designed and implemented a high-speed and low-power serial-to-parallel (S2P) converter for 5G a...
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Yu Hou, Qi Zhao, Yu Guo, Xionghao Ren, Tianwei Lai and Shuangtao Chen
Gas foil bearing has been widely used in high-speed turbo machinery due to its oil-free, wide temperature range, low cost, high adaptability, high stability and environmental friendliness. In this paper, state-of-the-art investigations of gas foil bearin...
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