Introduction to The investigation of the mixture formation upon fuel injection into high-temperature gas flows

Introduction to The investigation of the mixture formation upon fuel injection into high-temperature gas flows

Combustion ofΒ aΒ fuelΒ inΒ theΒ combustionΒ chambersΒ ofΒ aΒ gas-turbineΒ engineΒ Β andΒ Β aΒ gas-turbine plantΒ Β isΒ closelyΒ Β connectedΒ withΒ Β theΒ  processesΒ ofΒ mixingΒ Β (Lefebvre,Β Β 1985).Β InvestigationsΒ of theseΒ Β processes carriedΒ outΒ byΒ bothΒ Β experimentalΒ andΒ Β computationalΒ methodsΒ haveΒ Β recently becomeΒ Β especiallyΒ crucialΒ because ofΒ theΒ necessityΒ ofΒ solvingΒ ecologicalΒ Β problems. OneΒ ofΒ theΒ mostΒ Β pressingΒ problemsΒ atΒ presentΒ isΒ accountΒ forΒ theΒ influenceΒ ofΒ dropletsΒ onΒ an airΒ flow.Β InΒ someΒ  ofΒ theΒ regimesΒ ofΒ chamberΒ operationΒ thisΒ mayΒ leadΒ Β toΒ aΒ substantial,Β almost twofold,Β changeΒ inΒ Β theΒ Β longΒ Β rangeΒ Β  ofΒ Β aΒ Β fuelΒ Β sprayΒ Β Β and,Β Β consequently,Β toΒ Β corresponding changesΒ inΒ theΒ distributionsΒ ofΒ theΒ concentrationsΒ ofΒ fuelΒ phases. InΒ thisΒ Β chapterΒ physicalΒ modelsΒ ofΒ theΒ …