Results 31 to 40 of about 373,297 (349)

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

open access: yesEngineering 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   +2 more
doaj   +1 more source

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

open access: yes, 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   +5 more
core   +1 more source

Evolution of Heat Engines

open access: yesМеханика 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   +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

open access: yesInventions, 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

open access: yesEnergy 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   +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

open access: yesPolish 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   +4 more
semanticscholar   +1 more source

Research on thermoeconomic fault diagnosis for marine low speed two stroke diesel engine.

open access: yesMathematical biosciences and engineering : MBE, 2022
To satisfy the requirements of low fuel consumption, low emission, and high efficiency of the shipping industry, marine diesel engines are developing in the direction of automation and energy-saving, which increases the possibility and complexity of ...
Nan Xu   +5 more
semanticscholar   +1 more source

One-dimensional simulation of a 4-stroke SI engine employing novel cylinder head concept : intake and exhaust flow investigation [PDF]

open access: yes, 2010
This project investigates the flow characteristic in novel cylinder head at various port size and runner length. Novel cylinder head engine is a design engine that operates in a 4-stroke operational cycle.
Corretgé Bergua, Roser   +1 more
core   +3 more sources

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

open access: yesJournal 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   +3 more
semanticscholar   +1 more source

High load performance and combustion analysis of a four-valve direct injection gasoline engine running in the two-stroke cycle [PDF]

open access: yes, 2015
With the introduction of CO2 emissions legislation or fuel economy standards in Europe and many countries, significant effort is being made to improve spark ignition gasoline engines because of their dominant market share in passenger cars and potential ...
Andwari   +21 more
core   +1 more source

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