Abstract
Toimprovethecoldstartperformanceofgasolinecompressionignition(GCI)engines thespraydevelopmentandevaporationcharacteristicsofgasoline diethyletherandtheirblended fuel(withavolumefractionof10%-50%)underdifferentoperatingconditionswerestudiedby visualexperimentsandnumericalsimulation.Theresultsshowthatthenumericalsimulationisin goodagreementwiththeexperimentalresultsinspray macroscopicmorphologyandliquidphase cross-sectionarea.Thenumericalsimulationresultsshowthatasthediethylethermixingratio increases thespraytippenetrationdistanceandsprayconeangleslightlyincreasebyupto20% and10% respectively theparticlesizeofsprayslightlydecreases butthesprayevaporation significantlyincreases.Thefueldropletevaporationcharacteristicsexperimentsusingthesuspensionmethodhaveconfirmedthatdiethylethermixinghasacceleratedtheevaporationofblended fuel.Theevaporationrateofdiethyletherandallblendedfuelsincreasesfirstandthendecreases reachingthemaximumevaporationrateearlierthangasoline.Withtheincreaseofdiethylether mixingratio theevaporationrateoffuelsprayissignificantlyincreased.Basedontheexperimental andnumericalsimulationresults itisbelievedthatbymixingdiethylether theatomizationqualityof gasolinefuelcan beimproved whiletheevaporationrateoffuelspraycan besignificantly increased thusimprovingthequalityofmixtureformedinthecylinder andhelpingtoimprove thecoldstartperformanceoftheGCIengine.
| Translated title of the contribution | Study on the Effect of Diethyl Ether Mixing on the Developmentand Evaporation Characteristics of Gasoline Spray |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 90-101 |
| Number of pages | 12 |
| Journal | Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University |
| Volume | 57 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2023 |
| Externally published | Yes |