Különböző gázolaj-biodízel-metanol keverékek dízelmotor üzemére gyakorolt hatásának vizsgálata
Investigations of the effect of diesel-biodiesel-methanol blends with different volume mixing ratios on operation of a Diesel-engine
Keywords:
Fuel blend of diesel, biodiesel and methanol, Diesel-engine, Emission, Stoichiometry, /, gázolaj, biodízel és metanol tüzelőanyag keverék, dízelmotor, károsanyag-kibocsátás, sztöchiometria, gázolaj, biodízel és metanol tüzelőanyag keverék, dízelmotorAbstract
The surrounding air is increasingly polluted through emission that comes from different sectors, i.e. energy, service, agriculture etc., the transportation sector as well. This is a consequence of increasing energy consumption in the sectors. Bio-based energy may be consumed in an increasingway in the sector until 2050. Methanol is the simplest alcohol and if it is produced on bio-basis, called bio-methanol. Methyl-alcohol contains 30% more inherent oxygen on a molecular base than fossil diesel. The aim of our research was to get a comprehensive overview about the methanol’s effect on emission properties of a diesel engine. For our experimental test series, diesel fuel was the base fuel and it has been mixed with biodiesel first, and this mixture has been further blended with methanol. Engine’s external parameters have not changed significantly if it is running on blend with methanol. Methanol has rather affected the emission properties of the engine more significantly.
Kivonat
A környezetünket folyamatosan és egyre nagyobb mértékben szennyezik a különböző szektorokból származó kibocsátások, azaz az energia, a szolgáltatás, a mezőgazdaság stb., valamint a közlekedési szektor. Ez az ágazatok növekvő energia-fogyasztásának következménye. Előrejelzések szerint a megújuló energia 2050-ig egyre nagyobb mértékben kerül felhasználásra az ágazatokban. A metanol a legegyszerűbb alkohol, és ha megújuló bázison állítják elő, akkor bio-metanolnak nevezik. A metil-alkohol 30% oxigént tartalmaz, ellentétben a fosszilis dízellel. Kutatásunk célja az volt, hogy átfogó képet kapjunk arról, hogy milyen hatással van a metanol egy dízelmotor károsanyag-kibocsátási tulajdonságaira. Vizsgálat sorozatunkban a gázolaj volt az alaptüzelőanyag, amelyet először biodízellel kevertünk össze, majd ebbe a keverékbe kevertük a metil alkoholt. A motor külső paraméterei nem változtak jelentősen, ha metanolt is tartalmazó keverékkel üzemelt. A metanol sokkal inkább befolyásolta a motor károsanyag-kibocsátási tulajdonságait.
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