Results 11 to 20 of about 5,414 (232)

Analysis on the hydrodynamic performance and strength check of a rim-driven thruster based on fluid structure interaction

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] To comprehensively analyze the overall hydrodynamic performance and strength of the shape structure of a rim drive thruster(RDT),a method based on fluid structure interaction was proposed to solve the problem simultaneously.[Methods] Firstly,
LUO Xiaoyuan, LIU Liangqing, TAN Kun
doaj   +1 more source

Lubrication Analysis of Small-End Bearings of Reciprocating Engines Based on Orthogonal Experiment

open access: yesApplied Sciences, 2023
Small end bearings are a critical component of reciprocating engines, and the performance of their lubrication performance directly affects engines’ reliability and mechanical efficiency. There are many factors that influence their lubrication.
Sicong Sun   +6 more
doaj   +1 more source

A Semianalytic Method for Vibration Analysis of a Sandwich FGP Doubly Curved Shell with Arbitrary Boundary Conditions

open access: yesShock and Vibration, 2021
Due to the excellent mechanical properties of doubly curved structure and functionally graded porous (FGP) material, the study of their vibration characteristics has attracted wide attention.
Zhongyu Zhang   +3 more
doaj   +1 more source

Neural-Network-Based Adaptive Feedback Linearization Control for 6-DOF Wave Compensation Platform

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Ocean resource exploration expands into deep and ultra-deep waters, which has posed great challenges to the 6-DOF parallel platform that requires to finish the long-span and high-velocity wave compensation task with high precision and anti-interference ...
DING Ming, MENG Shuai, WANG Shuheng, XIA Xi
doaj   +1 more source

Research progress of palladium-based catalysts for oxidation of low concentration methane

open access: yes能源环境保护, 2023
Methane (CH_4) is an important greenhouse gas that is 25 times that its CO_2 equivalent. There is low concentration (0.05% ~0.5%) CH_4 leakage in marine natural gas engine exhaust.
ZHAO Xuteng   +7 more
doaj   +1 more source

Random forest method for estimation of brake specific fuel consumption

open access: yesScientific Reports, 2023
The internal combustion engine is a widely used power equipment in various fields, and its energy utilization is measured using brake specific fuel consumption (BSFC).
Qinsheng Yun   +3 more
doaj   +1 more source

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

open access: yesEnergy 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   +3 more
doaj   +1 more source

Fatigue life prediction of 3D braided carbon/carbon composites with braided angle variation at elevated temperature

open access: yesJournal of Engineered Fibers and Fabrics, 2023
The braiding angle of 3D braided carbon/carbon composites (C/CCs) will change during high temperature fatigue loading, which will affect the fatigue properties of 3D braided C/CCs.
Xinglin Yang   +4 more
doaj   +1 more source

The cavitation in marine diesel engines [PDF]

open access: yesVojnotehnicki glasnik, 2005
This paper -work presents the cavitation arises, causes of its appearing and consequences which it setup on materials. It represents the influence of cavitation on parts of marine Diesel engines cooled by -water, as -well as, influence of cavitation erosion on surface of the cylinder liner cooled by water.
Radosav Nikolic, Zoran Nikolic
openaire   +1 more source

Intelligent Optimization Based on a Virtual Marine Diesel Engine Using GA-ICSO Hybrid Algorithm

open access: yesMachines, 2022
Considering the trade-off relationship between brake specific fuel consumption (BSFC), combustion noise (CN) and NOx emission, it is a difficult task to optimize them simultaneously in a marine diesel engine.
Ximing Chen   +5 more
doaj   +1 more source

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