Results 11 to 20 of about 12,495 (245)

A study of hydrogen fuel impact on compression ignition engine performance

MATEC Web of Conferences, 2018
In this paper, a dual-fuel compression ignition engine test bench is presented. In hydrogen-diesel fuel co-combustion conditions, the engine parameters are determined – performance: effective torque, effective power and mean effective pressure; fuel ...
Dimitrov Evgeni, Gigov Boyko, Pantchev Spas, Michaylov Philip, Peychev Mihail   +4 more
doaj   +1 more source

Validation of a RANS 3D-CFD Gaseous Emission Model with Space-, Species-, and Cycle-Resolved Measurements from an SI DI Engine

Energies, 2020
Reynolds-averaged Navier–Stokes (RANS) three-dimensional (3D) computational fluid dynamics (CFD) simulations of gaseous emissions from combustion engines are very demanding due to the complex geometry, the emissions formation mechanisms, and the ...
Stefania Esposito, Max Mally, Liming Cai, Heinz Pitsch, Stefan Pischinger   +4 more
doaj   +1 more source

Use of Gas Desorption Effect in Injection Systems of Diesel Engines

Energies, 2021
The article presents a concept of improving operation of the engine with the effect of gas desorption from a solution with nucleation of gas bubbles. This concept consists in dissolving gas in diesel fuel until the solution is in equilibrium.
Maciej Bajerlein, Wojciech Karpiuk, Rafał Smolec   +2 more
doaj   +1 more source

Analysis of Passenger Car Emission Factors in RDE Tests

E3S Web of Conferences, 2016
The article presents a study on emission measurements in passenger cars in tests conducted under real traffic conditions – Real Driving Emissions using a Portable Emission Measurement System type of equipment.
Pielecha Jacek, Merkisz Jerzy, Markowski Jarosław, Jasiński Remigiusz   +3 more
doaj   +1 more source

Test Conditions of Diesel Engine Particulate Emission and the Results Obtained

Communications, 2001
In this work, based on experimental results, the effect of four factors of particulate emission measurements were taken into account: the method of determining the exhaust dilution in a diluting tunnel, the ratio of exhaust gases dilution, conditioning ...
Jerzy Cisek, Zygmunt Szlachta, Marian Marian Zabłocki   +2 more
doaj   +1 more source

Experimental study of indicators in small engine for a compact tractor [PDF]

Avtomobilʹnyj Transport (Harʹkov), 2018
Engine selection for a specific type of transport vehicle, configuration and refinement of mathematical models of processes, improvement of engine construction are made based on the results of experimental research.
O.O. Osetrov, O.M. Bekariuk, D.S. Alyokhin   +2 more
doaj   +1 more source

Emission of particulate matter during aircraft landing operation

E3S Web of Conferences, 2016
The article presents the results of studies conducted in the area adjacent to the airport located in Poznan, to determine the impact of aircraft landing operation on the concentration of particulate matter.
Jasiński Remigiusz, Pielecha Jacek, Markowski Jarosław   +2 more
doaj   +1 more source

Experimental and simulation study on aluminium alloy piston based on thermal barrier coating

Scientific Reports, 2022
Thermal barrier coatings (TBCs) have low thermal conductivity, effectively reducing the temperature of the metal matrix and improving thermal performance, knock resistance, and combustion performance of the piston.
Yang Liu, Jilin Lei, Xiaoqiang Niu, Xiwen Deng, Jun Wen, Zhigao Wen   +5 more
doaj   +1 more source

Impact characteristics of post injection on exhaust temperature and hydrocarbon emissions of a diesel engine

Energy Reports, 2022
Increasing exhaust gas temperature (EGT) and providing hydrocarbon (HC) reactants by in-cylinder post injection are effective measures to assist diesel engine exhaust aftertreatment operation for efficient pollution control.
Zhengjiang Wang, Lizhong Shen, Jilin Lei, Guozhong Yao, Guiyong Wang   +4 more
doaj   +1 more source

Experimental and simulation study on heat transfer characteristics of aluminium alloy piston under transition conditions

Scientific Reports, 2022
In order to explore the thermal load change of the diesel engine piston under transitional conditions, and the influence of the position of cooling gallery on the heat transfer characteristics of the piston.
Yang Liu, Jilin Lei, Dongfang Wang, Xiwen Deng, Jun Wen, Zhigao Wen   +5 more
doaj   +1 more source