|
|
|
|
|
Marios Patinios, James A. Scobie, Carl M. Sangan and Gary D. Lock
This paper presents measurements of CO2 concentration and pressure in a new, highly instrumented and versatile, 1.5-stage gas turbine facility. The rig, which has been specifically designed for investigations related to hot gas ingestion, features interc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuepeng Yan, Xiaoqiang Fan and Bing Xiong
Experiments were conducted in this study to reveal the flow characteristics of a variable cross-section S-shaped isolator, when applying the steady-state back pressure at the isolator outlet. The self-excited oscillation characteristics of the shock trai...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yalei Bai and Donglei Wu
In daily operation, the flow state in the runner chamber of an axial flow pump is extremely complex, and the pressure pulsation caused by the vibration of the unit and the hydraulic excitation is also extremely complex. The pressure pulsation will also g...
ver más
|
|
|
|
|
|
|
|
|
|
|
Veyan A. Musa, Raid A. Mahmood, Sherwan M. Simo, Abbas Kh. Ibrahim, Lokman A. Abdulkareem
Pág. 262 - 278
The current study is performed to identify the flow regimes of oil-gas two-phase flow experimentally in a vertical pipe has an internal diameter of 6.7 cm. It also aims to provide more details about the possibility of using Differential Pressure Transduc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Donglei Wu and Yalei Bai
This paper investigates the influence of pressure pulsation and flow-induced noise using a two-way dual-purpose pump. The pressure pulsation signal is obtained from the Detached Eddy Simulation (DES) turbulent model calculation as the fan sound source, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fan Yang, Pengcheng Chang, Yao Yuan, Na Li, Rongsheng Xie, Xiaowen Zhang and Zhikang Lin
Vertical axial flow pump device has the characteristics of large flow and low head, which is widely used in pumping station projects with head of 3?9 m. In order to study the influence of the timing effect of the impeller relative flow channel and guide ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gaoan Zheng, Pu Xu, Lin Li and Xinghua Fan
The pipeline system is widely used in marine engineering, and the formation mechanism and flow patterns of two-phase slug flows are of great significance for the optimal design of and vibration prevention in a complex pipeline system. Aiming at the above...
ver más
|
|
|
|
|
|
|
|
|
|
|
Baoling Cui and Mingyu Shi
Centrifugal pumps are essential fluid transfer devices in marine engineering. As the two most critical components of a centrifugal pump, the dynamic?static interference between the volute and the impeller makes the flow near the cutwater highly unstable,...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bicheng Zhou, Anatoly V. Brouchkov and Jiabo Hu
Frost heaving in soils is a primary cause of engineering failures in cold regions. Although extensive experimental and numerical research has focused on the deformation caused by frost heaving, there is a notable lack of numerical investigations into the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yadong Zhu, Haifeng Jiao, Shihui Wang, Wenbo Zhu, Mengcheng Wang and Songshan Chen
In order to study the pressure pulsation characteristics and structural dynamic response characteristics of a vertical shaft cross-flow pump, this study used a computational fluid dynamics (CFD) numerical simulation method to analyze the pressure pulsati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yijiao Guo, Luchen Zhang, Lei Yu, Shaoze Luo, Chuang Liu and Yuan Liu
To account for changes in the performance of spillway aerator structures of high-altitude dams, depressurization generalized model experiments and theoretical analyses were conducted in this study. Measurements were taken for ventilation hole air velocit...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei Qu, Qianghui Zhang, Yumei Qin, Jinggang Miao, Zeqing He and Yanchu Yang
A fan is part of the core equipment of a super-pressure balloon altitude control system, and high-performance fans have a significant impact on the altitude control capability and flight safety of super-pressure balloons. This paper proposes a mixed-flow...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junyao Zhang, Hao Zhan and Baigang Mi
The submerged inlet exhibits good stealth characteristics and lower drag, but it has a low total pressure recovery coefficient and high distortion rate, which limits its widespread application. This paper proposes a vortex diverter aimed at enhancing the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yi-Xuan Huang and Kung-Ming Chung
The flow field in a cavity depends on the properties of the upstream boundary layer and the cavity geometry. Comprehensive studies for rectangular cavities have been conducted. This experimental study determines the global surface pressure pattern for el...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xuan Zhao, Guoqiang Gao, Minshun Wan and Juchuan Dai
An accurate formula for calculating the pressure loss in concrete pumping plays a significant guiding role in the design and service process of pump trucks. Based on the flow characteristics of concrete pumping, a straight pipe one-dimensional model for ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunxia Yang, Qianxu Zhang, Jia Guo, Jiawei Wu, Yuan Zheng and Ziwei Ren
In this paper, the parameters of a prototype runner of an axial flow pump are optimized by using the immersion boundary?lattice Boltzmann numerical method based on a large-eddy simulation (LES-IB-LBM). A fish-friendly axial flow pump with a leading-edge ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bin Ma, Xinchao Ding and Xingzhou Chen
The excavation-unloading damage effects of western high-geostress slopes on rock were explored by testing the pre-peak confining pressure unloading sandstone reloading mechanical properties. The deformation and failure mechanisms were studied from a meso...
ver más
|
|
|
|
|
|
|
|
|
|
|
Umair Khan, William Pao and Nabihah Sallih
Gas?liquid two-phase flow is very common in industrial pipelines. Flow regime identification is the first step to design, analyze, and operate the gas?liquid system successfully. The purpose of this study is to develop a methodology for identification of...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chengyu Liang, Wei Xiong, Meiling Wang, David S. K. Ting, Rupp Carriveau and Zhiwen Wang
As an emerging flexible-scale energy storage technology, underwater compressed gas energy storage (UW-CGES) is regarded as a promising energy storage option for offshore platforms, offshore renewable energy farms, islands, coastal cities, etc. Liquid acc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuang Sun, Jinhui Kang, Zhijun Lei, Zhen Huang, Haixv Si and Xiaolong Wan
The horseshoe vortex system at the leading edge of a low-pressure turbine (LPT) has unsteady flow characteristics, and the flow field in the downstream cascade channel also has unsteady characteristics. In this study, CFD simulations are performed with t...
ver más
|
|
|
|
|
|