Results 21 to 30 of about 373,297 (349)

Two-Stroke Wankel Type Rotary Engine: A New Approach for Higher Power Density

Energies, 2019
The Wankel engine is a rotary type of four-stroke cycle internal combustion engine. The higher specific power output is one of its strong advantages. In Wankel rotary engine, every eccentric shaft revolution corresponds to one four-stroke cycle, whereas ...
Osman Akin Kutlar, Fatih Malkaz
doaj   +1 more source

Determining the characteristics for the rational adjusting of an fuel-air mixture composition in a two-stroke engine with internal carburation

, 2020
An operating process for engines with spark ignition and direct fuel injection engines which ensures the formation of a stratified lean fuel-air charge under the modes of partial loads and the power composition of the fuel-air mixture at high loads has ...
V. Korohodskyi, S. Kryshtopa, V. Migal, A. Rogovyi, Andrii Polivyanchuk, G. Slyn’ko, Volodymyr Manoylo, Oleh Vasylenko, O. Osetrov   +8 more
semanticscholar   +1 more source

The zero-dimensional model of the scavenging process in the opposed-piston two-stroke aircraft diesel engine

Propulsion and Power Research, 2019
The analysis of the scavenging process in two-stroke engines is important in terms of achieved performance and emission of toxic substances. The amount of mass of air used for the scavenging process and the amount mass of gas retained in the cylinder ...
Ł. Grabowski, K. Pietrykowski, P. Karpiński   +2 more
doaj   +1 more source

Comparative Assessment and Parametric Optimisation of Large Marine Two-Stroke Engines with Exhaust Gas Recirculation and Alternative Turbocharging Systems

Journal of Marine Science and Engineering, 2022
Although the exhaust gas recirculation (EGR) technology has been proven effective to decrease the marine engine’s nitrogen oxides (NOx) emissions, it is associated with a considerable fuel consumption increase and challenges to the engine–turbocharger ...
Daoyi Lu, Gerasimos Theotokatos, Jundong Zhang, Hong Zeng, Keying Cui   +4 more
doaj   +1 more source

Emission Characterization of Petrol, Ethanol and Spent Engine Oil Blends for Two-Stroke Spark Ignition Engine

ABUAD Journal of Engineering Research and Development, 2023
Exhaust emission has remained a big global concern in atmospheric change, and has thus, lead to stiffer polices on emission. To achieve the set emission targets different fuel mix and combustion process are continuously been investigated.
Lawal Muhammed Nasir, Victor Ogbeide-Igiebor, Idris Ibrahim Ozigis   +2 more
doaj   +1 more source

Development of a methodology for calculating the working process of a small-size two-stroke internal combustion engine

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2021
On the basis of the available theoretical calculations, methods for calculating the working process and power characteristics of internal combustion engines and the experimental studies carried out, a method for calculating the working process for small ...
V. V. Biryuk, A. A. Gorshkalev, M. O. Zakharov, V. L. Larin   +3 more
doaj   +1 more source

Numerical investigation of the high pressure selective catalytic reduction system impact on marine two-stroke diesel engines

International Journal of Naval Architecture and Ocean Engineering, 2021
This study aims to investigate the impact of the High Pressure Selective Catalytic Reduction system (SCR-HP) on a large marine two-stroke engine performance parameters by employing thermodynamic modelling.
Daoyi Lu, Gerasimos Theotokatos, Jundong Zhang, Yuanyuan Tang, Huibing Gan, Qingjiang Liu, Tiebing Ren   +6 more
doaj   +1 more source

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

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

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