|
|
|
|
|
Nader Vahdati, Aamna Alteneiji, Fook Fah Yap and Oleg Shiryayev
Engine mounts serve three primary purposes: (1) to support the weight of the engine, (2) to lessen the transmitted engine disturbance forces to the vehicle structure/chassis or airplane fuselage, and (3) to limit the engine motion brought on by shock exc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Szabolcs Fischer, Nándor Liegner, Péter Bocz, Ákos Vinkó and György Terdik
This paper deals with the time-frequency characteristic analysis for track geometry irregularities using field data recorded by a comprehensive track inspection train. The parameters of the track gauge and the left and right rail alignment are considered...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rongxin Wang, Xiaomei Xu, Zheguang Zou, Longfei Huang and Yi Tao
Underwater sound generated by the rapidly increasing offshore wind farms worldwide greatly affects the underwater soundscape and may cause long-term cumulative effects on sound-sensitive marine organisms. However, its analysis and impact assessment are h...
ver más
|
|
|
|
|
|
|
|
|
|
|
Julian Chenin and Heather Bedle
An effective method of identifying and discriminating undersaturated gas accumulations remains unresolved, resulting in uncertainty in hydrocarbon exploration. To address this problem, an unsupervised machine learning multi-attribute analysis is performe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fengqin Li, Lulu Zhai, Baoling Cui, Jia Guo and Guoyou Chen
Many annular seals suffer eccentricity because of rotor?stator misalignment or the deflection of a flexible rotor, which has a strong influence on the vibration characteristics and stability of rotating machines. In this article, a transient CFD method b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Virginia Zamparelli, Francesca De Santi, Andrea Cucco, Stefano Zecchetto, Giacomo De Carolis and Gianfranco Fornaro
Several studies have shown the capabilities of Synthetic Aperture Radar to map sea currents in ocean regions mainly characterized by large flows. We consider the well known method based on the analysis of the Doppler Centroid. The Doppler, as, in general...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shibao Deng, Yun Zhu and Yixin Zhang
By using the two-frequency coherence function model of a beam in a turbulent medium and the localized wave theory of the polychromatic beam, we develop the spectrum average mutual coherence function of the localized wave of Bessel?Gaussian amplitude enve...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jihong Xia, Genting Yu, Junqiang Lin, Weijie Cao, Zihan Yi, Lihuai Lin, Laounia Nehal
Pág. 1 - 13
A curved riparian zone can create highly complex flow patterns that have a great effect on erosion, pollutant transport, surface water-groundwater exchange and habitat qualities. The small-disturbance theory has been applied to derive the analytical solu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuqing Yin, Xuehan Zhang, Rixia Lan, Xiaoyu Sun, Keli Wang and Tianbing Ma
This study proposes a new approach to gait recognition using LoRa signals, taking into account the challenging conditions found in underground coal mines, such as low illumination, high temperature and humidity, high dust concentrations, and limited spac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Li, Feng Ding, Weijun Tian and Jinhua Zhou
During the milling of thin-walled blades, the removal of material exhibits strong time-varying dynamics, leading to chatter and a decrease in surface quality. To address the issue of milling vibrations in the machining of complex thin-walled blades used ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fan Yang, Zhongbin Li, Yuting Lv, Jindong Li, Guangxin Zhou and Ahmed Nasr
An axial-flow pump as a turbine (PAT), as compared to the conventional Francis turbine, has the advantages of not being restricted by the terrain and having lower cost to reverse the pump as a turbine for power generation. When an axial-flow pump is reve...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chenghua Cong, Honggang Qin and Xingyou Yi
The unsteady characteristics of the second throat of a transonic wind tunnel have an important influence on the design and test of the wind tunnel. Therefore, the forced oscillation characteristics were studied by a numerical simulation method. The gover...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weihong Kong and You Li
The large reverse flow region of the rotor with a high advance ratio is an important factor that affects the performance improvement of helicopters. This paper examines the dynamic stall of the airfoil in the reverse flow region of the rotor to develop a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wanlu Zhang, Shiduo Niu, Jiaxin Yao, Yipeng Zhang, Xiao Li, Huixin Dong, Shuang Si, Hang Li, Xuelei Li, Jianhong Ren and Zhen Gao
Maize kernel growth is sensitive to heat stress, which is predicted to result in yield loss. However, the response of maize to short-term heat stress during different kernel-growth stages is still not clear. A 3-year field experiment, included two heat-s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qiao Chen, Fenglin Xu, Pengcheng Su, Honglin Zhu, Yifang Zhang, Yang Liu, Dongming Jia, Xiaozai Guo, Jilong Chen and Dunlong Liu
Meso-crack evolution mechanism of shale is a key factor affecting the mechanical properties of shale. In order to explore evolution laws of cracks in shale during loading, a meso-crack monitoring system, loading test equipment and an automatic ultrasonic...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Papa Malick Ndiaye, Ansoumana Bodian, Lamine Diop, Abdoulaye Deme, Alain Dezetter, Koffi Djaman and Andrew Ogilvie
Understanding evapotranspiration and its long-term trends is essential for water cycle studies, modeling and for water uses. Spatial and temporal analysis of evapotranspiration is therefore important for the management of water resources, particularly in...
ver más
|
|
|
|
|
|
|
|
|
|
|
Linya Liu, Zhiyuan Zuo, Yunlai Zhou and Jialiang Qin
The high-speed railway (HSR) has been a long-term hotspot in both scientific and engineering societies to enhance the long-term high quality HSR service. This study aims to investigate the WJ-7B type small resistance fastener rubber pad applied in HSR, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Irina Boginskaya, Aliia Gainutdinova, Alexey Gusev, Karen Mailyan, Anton Mikhailitsyn, Marina Sedova, Artem Vdovichenko, Ilya Ryzhikov, Sergei Chvalun and Andrey Lagarkov
Spectroscopy based on surface enhanced Raman scattering (SERS) is widely used as a method with extremely high sensitivity for molecular and chemical analysis. We have developed thin-film sandwich structures, in which, when used as sensitive elements for ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yinsheng Chen, Tinghao Zhang, Wenjie Zhao, Zhongming Luo and Kun Sun
A rolling bearing is an important connecting part between rotating machines. It is susceptible to mechanical stress and wear, which affect the running state of bearings. In order to effectively identify the fault types and analyze the fault severity of r...
ver más
|
|
|
|
|
|