|
|
|
|
|
Haifeng Jiao, Jilian Shan, Guorui Yang, Mengcheng Wang and Songshan Chen
In this study, a comparative analysis of the shutdown transitions of a full-flow pump and an axial-flow pump was carried out through numerical simulation and model tests. The UDF method was used to achieve control of the impeller rotational speed during ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuliang Xie, Gang Wang, Enmao Wang, Qiming Huang and Mingze Xia
Coal fire remains one of the main hazards of underground work. Spontaneous coal fires cause serious casualties and property losses. At present, most of the studies on coal spontaneous combustion have been conducted on working faces shorter than 200 m. Ho...
ver más
|
|
|
|
|
|
|
|
|
|
|
Haoyuan Xu, Jie Wang, Zhiqing Li, Kaihua Liu, Jiawei Yu and Bo Zhou
Inspired by the cactus in nature, a cactus-like cross-sectional structure was proposed to achieve the VIV suppression. The VIV of the elastically mounted cylinder was realized based on the ANSYS Fluent and User Defined Function (UDF). The dynamic motion ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongqiang Sang, Jin Zhang, Xiujun Sun, Can Li, Lei Wang and Liwei Wang
A wave glider can convert vertical wave motion into its forward propulsion. There are many factors affecting the propulsion performance of a wave glider. The swing amplitude of hydrofoil can affect the efficiency of hydrofoil to capture wave energy, and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiwei Tang, Weicheng Xie, Xiaoliang Wang and Cheng Chen
Based on the biaxial experiment data of the membrane material under hot and cold conditions, the mechanical properties calculation model of envelope material was established with consideration of the effects of varying stress ratios, stress magnitudes an...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jun Liu, Huacheng Yuan, Jinsheng Zhang and Zheng Kuang
As hypersonic vehicles are highly integrated, a multifidelity simulation method based on a commercial solver is developed to reduce simulation time for such vehicles and their propulsion systems. This method is characterized by high-level fidelity numeri...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nadhie Juliawan, Hyoung-Seog Chung, Jae-Woo Lee and Sangho Kim
This paper focuses on estimating dynamic stability derivatives using a computational fluid dynamics (CFD)-based force oscillation method, and on separating the coupled dynamic derivatives terms obtained from the method. A transient RANS solver is used to...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shitang Ke, Wenlin Yu, Jiufa Cao and Tongguang Wang
Compared with normal wind, typhoons may change the flow field surrounding wind turbines, thus influencing their wind-induced responses and stability. The existing typhoon theoretical model in the civil engineering field is too simplified. To address this...
ver más
|
|
|
|
|
|