Results 1 to 10 of about 1,073,002 (385)

Discussion: “Nitride Hardening of Alloy Steel for Diesel-Engine Use” (Alden, C. R., 1930, Trans. ASME, 52(9), pp. 57–61) [PDF]

, 1930
C. H. Taylor
  +6 more sources

A Novel Modular Multi-Unit Cell Permanent Magnet Thrust Bearing with Bionic Design and Load-Carrying Capacity Analysis

Applied Sciences
Permanent magnet thrust bearings have garnered significant attention due to their high rotational speeds, low noise levels, and excellent vibration-damping performance.
Xiangdong Yu, Qi Wang, Zhongsheng Yan, Wenfeng Yu, Xingyue Shang, Suimeng Zhou, Jimin Zhang   +6 more
doaj   +1 more source

Predictive anomaly detection for marine diesel engine based on echo state network and autoencoder

Energy Reports, 2022
Marine diesel engine with high thermal efficiency and good economy has become the main power of ships. Anomaly detection is an important method to improve the operation reliability of marine diesel engine.
Chong Qu, Zhiguo Zhou, Zhiwen Liu, Shuli Jia   +3 more
doaj  

Modeling and Analysis of Actuators in Multi-Pump Waterjet Propulsion Systems

Journal of Marine Science and Engineering
Waterjet propulsion, which generates thrust by ejecting water jets, has attracted significant attention in modern high-performance vessels due to its efficiency, superior cavitation resistance, and excellent maneuverability.
Shuli Jia, Yinuo Guo, Yuxue Liu, Dali Wei, Chong Qu, Liyong Ma   +5 more
doaj   +1 more source

Acoustic design method of ship's cabin based on geometrical acoustics

Zhongguo Jianchuan Yanjiu, 2017
In light of the question of how to select the best noise control position and measures in the large noise transmission path of the cabins of a ship, based on the acoustic ray-tracing method in the theory of geometrical acoustics, and by considering the ...
FENG Aijing, WEI Qiang, ZHANG Dahai
doaj   +1 more source

Real-Time Optimization Energy Management Strategy for Fuel Cell Hybrid Ships Considering Power Sources Degradation

IEEE Access, 2020
In order to protect the marine environment, the fuel cell has become a good candidate for the main energy source of marine vehicles due to its remarkable performance of high efficiency, quietness, and cleanness. However, the fuel cell of the hybrid power
Zehui Zhang, Cong Guan, Zhiyong Liu
doaj   +1 more source

Transient torsional vibration analysis of marine diesel engine under short-circuit impact

Zhongguo Jianchuan Yanjiu
ObjectivesIn order to formulate an optimization scheme for the torsional vibration parameters of a marine diesel generator shaft system, it is necessary to analyze the transient torsional vibration characteristics of the diesel generator under short ...
Congcong XU, Gang LIANG, Jie TAO, Yafei JIAO, Jinyuan CHEN, Pengcheng WANG, Mengcan DENG   +6 more
doaj   +1 more source

Numerical simulation of diesel combustion based on n-heptane and toluene

Propulsion and Power Research, 2019
Considering the self-ignition characteristic and C/H ratio, n-heptane and toluene (6:4 by mass) are chosen to constitute diesel surrogate fuel, and a reduced oxidation mechanism was developed.
Kesong Zhang, Qiangzhi Xin, Zhenqian Mu, Zhijian Niu, Zhiming Wang   +4 more
doaj  

A Deep-LSTM-Based Fault Detection Method for Railway Vehicle Suspensions

Machines
The timely detection of faults that occur in industrial machines and components can avoid possible catastrophic machine failure, prevent large financial losses, and ensure the safety of machine operators.
Yuejian Chen, Xuemei Liu, Wenkun Fan, Ningyuan Duan, Kai Zhou   +4 more
doaj   +1 more source

Dynamic Evaluation Method of Machining Process Planning Based on Digital Twin

IEEE Access, 2019
Process evaluation is widely accepted as an effective strategy to improve product quality and shorten its development cycle. However, there has been very little research on how to evaluate the process plan with the dynamic change of the machining ...
Jinfeng Liu, Honggen Zhou, Xiaojun Liu, Guizhong Tian, Mingfang Wu, Liping Cao, Wei Wang   +6 more
doaj   +1 more source