Results 31 to 40 of about 1,182,902 (301)

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

A Review of Energy Loss Reduction Technologies for Internal Combustion Engines to Improve Brake Thermal Efficiency

Energies, 2021
Today, the problem of energy shortage and climate change has urgently motivated the development of research engaged in improving the fuel efficiency of internal combustion engines (ICEs). Although many constructive alternatives—including battery electric
Zhijian Wang, S. Shuai, Zhijie Li, W. Yu
semanticscholar   +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

Methanol as a fuel for internal combustion engines

Progress in Energy and Combustion Science, 2019
Transportation of people and goods largely relies on the use of fossil hydrocarbons, contributing to global warming and problems with local air quality. There are a number of alternatives to fossil fuels that can avoid a net carbon emission and can also ...
S. Verhelst, J. Turner, L. Sileghem, J. Vancoillie   +3 more
semanticscholar   +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

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

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

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

Ammonia Combustion: Internal Combustion Engines and Gas Turbines

Energies
The quest for renewable energy sources has resulted in alternative fuels like ammonia, which offer promising carbon-free fuel for combustion engines.
Edith Flora Eyisse, Ebrahim Nadimi, Dawei Wu   +2 more
semanticscholar   +1 more source