|
|
|
|
|
Lei Mei, Wenhui Yan, Junwei Zhou and Weichao Shi
Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow underwat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jian Li, Peng Wang, Xiaoyi An, Da Lyu, Ruixuan He and Baoshou Zhang
Flapping foils are studied to achieve an efficient propeller. The performance of the flapping foil is influenced by many factors such as oncoming vortices, heaving amplitude, and geometrical parameters. In this paper, investigations are performed on flap...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kehua Han, Peng Deng, Enyi Chu and Qingjie Jiao
In this paper, the effect of grain size and micromorphology of Cu foil on the velocity of the flyer of an exploding foil detonator was studied. A Cu foil with different grain sizes and micromorphologies was prepared by the physical vapor deposition sputt...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qizong Sun, Ertian Hua, Liying Sun, Linfeng Qiu, Yabo Song and Mingwang Xiang
The flapping hydrofoil bionic pump is an innovative hydrodynamic device that utilizes flapping hydrofoil technology. Flapping hydrofoil bionic pumps are crucial in addressing issues like inadequate river hydropower and limited water purification capabili...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhanfeng Qi, Min Jiang, Lishuang Jia, Bo Zou and Jingsheng Zhai
A numerical investigation on the propulsion performance of the semi-active flapping foil of the wave glider with different mass ratio and damping coefficient is investigated. The commercial CFD software Fluent is used to solve the URANS equations around ...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaomin Liu, Changlin Li, Jianjun Du and Guodong Nan
In this paper, a thermo-hydrodynamic model of the bump foil thrust gas bearing is developed, which solves the coupled gas film three-dimensional energy equation, non-isothermal Reynolds equation, and the foil deformation equation. The effects of bearing ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sang-Hyub Lee, Se-Woo Yang, Eun-Suk Park, Ji-Young Hwang and Dai-Soo Lee
The adhesion between aluminum (Al) foil and cast polypropylene (CPP) film laminated with mixtures of amorphous- and crystalline-maleic anhydride-grafted ethylene-propylene-diene monomer (MAH-g-EPDM) rubbers and highly reactive polybutene (HRPB) as the ad...
ver más
|
|
|
|
|
|
|
|
|
|
|
Changbao Yang, Zhisheng Wang, Yuanwei Lyu, Jingyang Zhang and Ben Xu
With increasing demand for load capacity and dynamic responses, the new generation of Gas Dynamic Foil Bearings (GDFB), assembled from preloaded elastic multi-leaf foils, has been put forward. It exhibits steady and dynamic characteristics that are more ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pawel Baginski, Grzegorz Zywica, Jakub Roemer, Pawel Zdziebko and Adam Martowicz
This article presents an experimental study carried out on a rotor operating on two foil bearings. One of the bearings was built in a way to measure the temperature and deformation of the top foil of the foil bearing. The dynamic performance of the two b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bolatbek Khussain, Alexandr Brodskiy, Alexandr Sass, Vladimir Yaskevich, Irina Shlygina, Kenzhegul Rakhmetova, Svetlana Tungatarova and Atabek Khussain
Iron and chromium based alloys have found wide application in various fields of science and technology. A primary carrier based on Fe-Cr-Al alloy is used in block catalysts for high-temperature hydrocarbon conversion, in production of block metal catalys...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhanfeng Qi, Bo Zou, Huiqiang Lu, Jian Shi, Guofu Li, Yufeng Qin and Jingsheng Zhai
A numerical investigation is conducted to study the propulsive performance of the semi-active flapping foil of the wave glider, where the heaving smotion is fully prescribed, and the pitching motion is determined by the hydrodynamic force and torsion spr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rupesh Kumar and Hyunkyoung Shin
A horizontally submerged passive flapping foil can generate thrust force against the wave propagation using wave energy. This renewable method has been used for the design of propulsion and maneuvering systems of ships and other floating structures. Rece...
ver más
|
|
|
|
|
|
|
|
|
|
|
Konstantinos V. Kostas and Maria Manousaridou
In this work, supervised Machine Learning (ML) techniques were employed to solve the forward and inverse problems of airfoil and hydrofoil design. The forward problem pertains to the prediction of a foil?s aerodynamic or hydrodynamic performance given it...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jia Yuan, Zhen Liu, Hua Geng, Songtao Zhang, Lihua Liang and Peng Zhao
In order to reduce the offshore wind power operation and maintenance vessel motion induced by severe sea states, a suitable stabilizer with the ship based on linear quadratic regulator strategy is proposed in this paper. First of all, the dynamics of the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruixuan He, Xinjing Wang, Jian Li, Xiaodong Liu and Baowei Song
Recently, inspired by the flippers of humpback whales, researchers have been widely studying leading-edge tubercles for use as passive flow control devices. In this research, we numerically investigated the effects of leading-edge tubercles on a three-di...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bartosz Moczulak, Grzegorz Zywica, Wojciech Miaskowski, Wojciech Kinski and Pawel Baginski
Developing high-speed rotating machines, such as microturbines, requires new solutions for bearing systems. Foil bearings are one of the fastest-growing high-speed bearing technologies. This article presents the results of experimental studies on foil be...
ver más
|
|
|
|
|
|
|
|
|
|
|
Changbao Yang, Zhisheng Wang, Zhe Chen, Yuanwei Lyu and Jingyang Zhang
Gas foil journal bearings (GFJBs) have been widely employed in high-speed rotating machinery in the aviation industry. However, the role of fluid?structure interaction in the unsteady aerodynamic character of the gas film and the dynamic response of the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nu Rhahida Arini, Gilang Muhammad, Joke Pratilastiarso, Setyo Nugroho
Pág. 311 - 319
The depletion of fossil fuels and the worsening environment motivate engineers and researchers to explore renewable energy resources. One of the promising renewable energy is wind energy. The wind turbine extracts wind energy to generate electricity. Thi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Enrico Virgillito, Lorenzo Sisca and Massimiliana Carello
Mass production of CFRP car door panels with NVH embedded system.
|
|
|
|
|
|