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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 …