Results 31 to 40 of about 646,448 (234)

Effect of Leading/Trailing Edge Swept Impeller on Flow Characteristics of Low Specific Speed Centrifugal Compressor

open access: yesEnergies, 2023
A low specific speed centrifugal compressor with leading/trailing edge combined sweep blades is proposed. The performance and internal flow field characteristics are analyzed in detail by numerical simulations, and a bench test is carried out.
Hongyan Tian   +4 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

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

Application of Large Eddy Simulation in the process of the Multi-Physics Field Coupling in a Combustion Chamber

open access: yesMATEC Web of Conferences, 2015
Numerical simulation is the main method to solve turbulence problems. As one of the three methods which are commonly used in large-eddy simulation model (LES) is the most effective and promising research method. The basic idea of large-eddy simulation is
Xu Rang-Shu, Wang Kai, Xu Long, Yu Xin
doaj   +1 more source

Combustion and Performance Characteristics of CI Engine Running with Biodiesel [PDF]

open access: yes, 2013
Biodiesel is one of the alternative fuels which is renewable and environmentally friendly and can be used in diesel engines with little or no modifications.
Gu, Fengshou   +8 more
core   +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

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

An Experimental Study on Producing a Sustainable Diesel-like Fuel from Waste Engine Oil [PDF]

open access: yesRenewable Energy Research and Applications, 2020
Used engine oil is one of the most environment pollutants that is produced in large quantities. Methods of recycling and reuse of the oil are important for sustainable environment.
E. Bani-Hani   +5 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

Phase-transition materials derived photonic metamaterials for passively dynamic solar thermal and coldness harvesting

open access: yesHeliyon
The rising need for energy to actively heat and cool human-made structures is contributing to the growing energy crisis and intensifying global warming.
Hengliang Wu   +6 more
doaj   +1 more source

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