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Qing Ye, Yongpeng Ou, Guo Xiang and Junjie Chen
Over the years, air lubrication technology has been widely applied to maritime vessels, demonstrating its significant energy-saving and emission-reducing effects. However, the application of this technology in inland waterway transportation faces unique ...
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Shanzhen Xu, Xiang Tian, Cheng Wang, Youning Qin, Xiaohu Lin, Jingxuan Zhu, Xiaodong Sun and Tiandong Huang
For parallel hybrid electric vehicles (HEVs), the clutch serves as a vital enabling actuator element during mode transitions. The expected drivability and smoothness of parallel HEVs are difficult to be achieve owing to the neglect of clutch-torque-induc...
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Huichan Kim and Sunho Park
With the implementation of the energy efficiency design index (EEDI) by the International Maritime Organization (IMO), the goal of which is to reduce greenhouse gas (GHG) emissions, interest in energy saving devices (ESDs) is increasing. Among such ESDs ...
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Sung-Jun Lee, Gang-Min Kim and Chang-Lae Kim
The purpose of this study is to improve the mechanical durability and surface frictional characteristics of polymer/ceramic-based composite materials. Polydimethylsiloxane (PDMS)/glass bubble (GB) composite specimens are prepared at various weight ratios...
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Zülal Akbay Arama, Aylin Ece Kayabekir, Gebrail Bekdas, Sanghun Kim and Zong Woo Geem
In this paper, the Harmony Search (HS) algorithm is utilized to perform single and multivariate parametric studies to acquire the optimization of both size and cost of reinforced concrete (RC) retaining walls embedded in pure frictional soils. The geotec...
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Bonguk Koo and Yong-Duck Kang
The results of flow visualization and hot-film measurement in a water channel are presented in this paper, in which the effectiveness of controlling synthetic hairpin vortices in the laminar boundary layer is examined to reduce skin friction. In this stu...
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Fazil Veliev
Pág. 72 - 79
The article describes a study of the dynamics of interacting between loosening roller spikes and particles of raw cotton as well as the conditions for the raw cotton particles? bundling. The process of movement of raw cotton particles was considered on t...
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Xin Cai, Zilong Zhou, Kewei Liu, Xueming Du and Haizhi Zang
The presence of water strongly affects rock properties and would be related to a series of geological disasters. To understand water saturation effects on the mechanical behavior of different rock types and interpret the underlying mechanisms of differen...
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Mohsen Hajihassani, Shahrum Shah Abdullah, Panagiotis G. Asteris and Danial Jahed Armaghani
Underground spaces have become increasingly important in recent decades in metropolises. In this regard, the demand for the use of underground spaces and, consequently, the excavation of these spaces has increased significantly. Excavation of an undergro...
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Xuan-Ha Nguyen, Tien-Hiep Mau, Ingo Meyer, Bao-Lam Dang and Hong-Phuc Pham
Modeling and waveform optimization are important research topics for piezo-actuated stick?slip micro-drives. In this paper, the dynamics of piezo-actuated stick?slip micro-drives (PASSMDs) are theoretically investigated. We introduce an extended model ta...
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