Abstract
Tostudytheeffectofoilinjectionparametersontheperformanceofthetwin-screwair compressorsandtoprovideareferenceforoptimizingandimprovingtheoverallperformanceof suchaircompressor a mathematicalmodeloftheoil-injectedtwin-screw aircompressor was developedtostudytheeffectofoilinjectionvolumeandoilinjectiontemperatureontheperformanceof theaircompressorandtheaccuracyofthemodelwasverifiedbycomparingthesimulationresults withtheexperimentalresults.Theresultsshowthat thereisanoptimaloilinjectionvolumefor atwin-screwaircompressortoachievethebestadiabaticefficiencyandspecificpower andsuch volumedecreasesasthespeedincreases(from3000r·min-1to4400r·min-1)andincreases withthebackpressure (from0.7MPato1.0MPa).Inaddition theincreaseofoilinjection temperaturemakestheadiabaticefficiencyofthecompressordecreaseandthespecificpower increase whichleadstothedeteriorationofthecompressorperformance.Thus theoilinjection temperatureshouldbeaslowaspossiblewhileensuringtheexhausttemperature.Atthesame time thereisasignificanteffectofinjectionparametersonleakageandpowerconsumption.In particular withtheincreaseoftheinjectiontemperature(from303.15Kto323.15K),theleakageof eachleakagechannelshowsaincreasingtrend andthefrictionlossshowsadecreasingtrend whilewiththeincreaseofinjectionvolume (from0.5m3·h-1to1.5m3·h-1)theleakage showsadecreasingtrend andthefrictionlossshowsarisingtrend.Thisresearchprovidesauseful referenceforoptimizingtheperformanceoftheoil-injectedtwin-screwcompressors.
| Translated title of the contribution | The Effect of Oil Injection Parameters on the Performance of Twin-Screw Air Compressors |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 102-109 |
| Number of pages | 8 |
| Journal | Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University |
| Volume | 57 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2023 |
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