|
|
|
|
|
Kedong Zhang, Wenhua Wang, Yihua Liu, Linlin Wang, Yazhen Du, Hongxia Li and Yi Huang
A new type of anti-rolling device denoted as a fluid momentum wheel (FMW) is proposed to address the limitations of traditional gyrostabilizers in reducing the roll responses of floating platforms in waves. The proposed device is based on the same gyrosc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wanzhi Zhang, Yunzhen Qu, Xiubo Yin, Hongjuan Liu, Guizhi Mu and Dengshan Li
Sweet potato skin is prone to friction damage during mechanical harvesting. To reveal the friction damage mechanism of sweet potato skin, the impact friction process between a sweet potato and a rod was theoretically analyzed. The main factors affecting ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyuk Lee, Jae-Hoon Ryu, Eun-Sung Lee, Hyung-Seok Han and Jeong-Yeol Choi
A noncircular engine cross-section could provide great flexibility in the integration of propulsion into the airframe. In this work, a tri-arc RDE was constructed and tested as an example of noncircular cross-sectioned RDE. The operational characteristic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bo Yang, Chengyao Zhang, Na Su and Zhaoran Xiao
In contrast to straight tunnels, the mechanisms of displacement of surrounding soil induced by shield excavation of small radius curved tunnels are more complex. Based on field monitoring data of surface settlement and horizontal displacement of a small ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ryan Mendenhall and Babak Eslami
Four-dimensional printing is a process in which a 3D-printed object is intentionally transformed in response to an external stimulus such as temperature, which is useful when the final geometry of a 3D-printed part is not easily manufacturable. One metho...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shenghui Wang, Jiamin Mai and Lihong Wang
For investigating the relationship between the surface corona discharge of a DC wire and other influencing factors, a hybrid numerical model based on a fluid-chemical reaction was proposed to simulate the discharge process at the tip defect of the wire. ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junmou Shen, Zongjie Shao, Feng Ji, Xing Chen, Hongbo Lu and Handong Ma
High enthalpy stagnation gas can be converted into hypervelocity flow through the contraction?expansion nozzle. The enthalpy flow in the nozzle can be divided into three regions: an equilibrium region, a non-equilibrium region, and a frozen region. The s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yang Yang, Fan Wang and Jieshan Liu
This paper analyzes and calculates the mechanical properties of composite tape spring structures during folding and bending and establishes a non-linear control equation for the folding and bending of composite laminate tape spring structures. Accurate e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dapeng Wei, Bilong Liu and Ludi Kang
The control of decentralized velocity feedback on curved aircraft plates under turbulent boundary layer excitations is numerically investigated in this paper. Sixteen active control units are set on the plate to reduce the vibration and sound radiation o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vicente Faus-Matoses, Vicente Faus-Llácer, Celia Ruiz-Sánchez, Sofía Prats Gallego, Álvaro Zubizarreta-Macho, Beatriz Solano-Mendoza, Benjamín Martín Biedma and Ignacio Faus-Matoses
Background: The objective of the present study was to measure and compare how the length of CM Gold Wire and CM Blue Wire NiTi alloy endodontic rotary files impacts their resistance to cyclic fatigue. Methods: A total of 40 sterile endodontic rotary file...
ver más
|
|
|
|
|
|