Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/85238
Type of publication: research article
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Raslavičius, Laurencas;Liubarskis, Vladimiras
Title: Trikomponenčių dizelinių degalų užsiliepsnojimo proceso tyrimas
Other Title: Research on the three-component diesel fuel ignition process
Is part of: Žemės ūkio inžinerija. , [T.] 38, Nr. 2 (2006)
Extent: p. 72-81
Date: 2006
Keywords: Daugiakomponenčiai dyzeliniai degalai;Degimo procesas;Lašo degimo modelis;Emisija;Dehidratuoto etanolio priedas;Multicomponent diesel fuel;Combustion process;Single droplet model;Emission;Dehydrated ethanol additive
Abstract: Degalų degimo proceso optimizavimo uždaviniams spręsti taikomi įvairūs metodai, kurie, paprastai, susiję su variklio degimo kameros konstrukcijos modifikavimu, specialiu jos sienelių profiliavimu ir pan. Reikia pažymėti, kad eksperimentiškai tirti degalų garavimo ir degimo procesus sudėtinga, todėl didelę reikšmę įgauna teoriniai tyrimai. Šiame straipsnyje aptariama galimybė matematinio modeliavimo metodu nustatyti optimalias degalų mišinio komponentų procentines reikšmes ir pateikiama gautų skaičiavimo rezultatų analizė
The process dynamics of fuel ignition in a combustion chamber of Diesel engine is determined in most cases by ignition delay time tind of fuel and by total time, estimated from the beginning of fuel injection into a cylinder to complete its burning out at the end of cycle ttotal. The lesser proportion of fuel ignition delay with ttotal causes the smoother combustion process and better burning of air-gas mixture. When the ignition delay is short enough, even increase of pressure in a cylinder and silent Diesel engine operation is ensured. Scientists use different methods for solving problems of the combustion process optimising, which as a rule are based on modification of the engine’s combustion chamber, on particular profiling of its walls, etc. The cheapest research method of hydrocarbon sorts of fuel and fuel blends, possessing proper physical and chemical characteristics, is mathematical modelling of the combustion process
Internet: https://hdl.handle.net/20.500.12259/85238
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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