Results 31 to 40 of about 367,886 (378)

Development of a Marine Two-Stroke Diesel Engine MVEM with In-Cylinder Pressure Trace Predictive Capability and a Novel Compressor Model

Journal of Marine Science and Engineering, 2020
In this article, to meet the requirements of marine engine room simulator on both the simulation speed and simulation accuracy, a mean value engine model (MVEM) for the 7S80ME-C9.2 marine two-stroke diesel engine was developed and validated in the MATLAB/
Haosheng Shen, Jundong Zhang, Baicheng Yang, Baozhu Jia   +3 more
doaj   +1 more source

Characteristics of the Limit Cycle of a Reciprocating Quantum Heat Engine [PDF]

, 2004
When a reciprocating heat engine is started it eventually settles to a stable mode of operation. The approach of a first principle quantum heat engine toward this stable limit cycle is studied.
J. Wei, L. Diósi, R. A. Fischer, R. Alicki, Ronnie Kosloff, Tova Feldmann   +5 more
core   +1 more source

Simulation Modeling and Optimization of Uniflow Scavenging System Parameters on Opposed-Piston Two-Stroke Engines

Energies, 2018
Based on the introduction of opposed-piston two-stroke (OP2S) gasoline direct injection (GDI) engines, the OP2S-GDI engine working principle and scavenging process were analyzed.
Fukang Ma, Lei Zhang, Tiexiong Su
doaj   +1 more source

Numerical study of piston group and crosshead guide system dynamics for a two‐stroke marine engine

Engineering Reports, 2023
Two stroke slow speed diesel engines are mainly used in deep sea going vessels such as container ships, bulk carriers, and tankers. In this article, a numerical model is developed and solved to relate impact occurrence and magnitude on engine structure ...
Elijah Musango Munyao, Yihuai Hu, Jiawei Jiang   +2 more
doaj   +1 more source

Study on Leakage Effect Factors of Two-Stroke Micro Free Piston Swing Engine

Micromachines, 2022
The two-stroke micro free piston swing engine (MFPSE) is a portable power device. Its seal performance plays an important role in the dynamic properties and efficiency of microengines.
Shujing Miao, Haiyang Liu, Haitang Cen, Jiang Liu, Huaqiang Li, Gang Xu   +5 more
doaj   +1 more source

Evolution of Heat Engines

Механика машин, механизмов и материалов
The process of development of heat engines, their types, modifications, problems encountered on this way and ways to overcome them are considered. The creative search of engineers, scientists, and practitioners who operated heat engines (from the moment ...
Mikalai U. Kochatau, Stepan N. Yankevich, Igor N. Khrol, Ilya I. Valchak, Aleksey A. Postelnyak, Gleb R. Prisyazhenko   +5 more
doaj   +1 more source

2-Stroke Scavenging in Conventional and Minimally-Modified 4-Stroke Engines for Heavy Duty Applications at Low to Medium Speeds

Inventions, 2019
The transformation of a standard 4-stroke cylinder head into a torque-improved and gradually more efficient 2-stroke design is discussed. The concept with an effective loop scavenging via an extended inlet valve holds promise for engines at low- to ...
Dirk Rueter
doaj   +1 more source

Mathematical modeling of the two-stroke crankcase scavenged spark ignition engine working process

Energy Conversion and Management: X, 2021
A simulation for the analysis of the working process of two-stroke crankcase scavenged SI (spark ignition) engine is introduced. For this work, the entire work process is divided into the intake process in the carburetor, combustion process and the ...
Tong Ho Choe, Zung Ryong Ryu, Song Gun Kang, Jong Pyo Ri   +3 more
doaj   +1 more source

Effects on of Blended Biodiesel and Heavy Oil on Engine Combustion and Black Carbon Emissions of a Low-Speed Two-Stroke Engine

Polish Maritime Research
The effects of heavy fuel oil and biodiesel blends on engine combustion and emissions were studied in a marine two-stroke diesel engine. The engine was operated under propeller conditions using five different fuels with biodiesel blends of 10% (B10), 30%
Cunfeng Wei, Guohe Jiang, Gang Wu, Yu Zhou, Yuanyuan Liu   +4 more
semanticscholar   +1 more source

Performance Optimization and Knock Investigation of Marine Two-Stroke Pre-Mixed Dual-Fuel Engine Based on RSM and MOPSO

Journal of Marine Science and Engineering, 2022
The two-stroke pre-mixed dual-fuel marine engine is prone to knocking at full load in gas mode, which affects the overall dynamic and economic performance of the engine. In this paper, the 7X82DF engine produced by Winterthur Gas & Diesel Ltd.
Weijie Jin, Huibing Gan, Yujin Cong, Guozhong Li   +3 more
semanticscholar   +1 more source