a b s t r a c t
An attemptwasmadeinthispapertodeterminetheregressionrateofahybridfuelby
usingcombustionchamberpressure.Inthismethod,thechokedflowconditionatthe
nozzlethroatofthehybridrocketwasusedtoobtainthemassoffuelburntandinturn
the regressionrate.Thealgorithmusedhereisbetterthanthosereportedintheliterature
as theresultsobtainedwerecomparedwiththeresultsobtainedusingtheweightloss
methodandwasdemonstratedtobeingoodagreementwiththeresultsobtainedusing
the weightlossmethodusingthesamemotorandthesamefuelandoxidizercombina-
tion.Inaddition,theO/Fratioobtainedwasingoodagreementwiththoseobtainedusing
the weightlossmethod.Thecombustionefficienciesobtainedwereingoodagreement
withtheaveragevalues.
& 2014IAA.PublishedbyElsevierLtd.Allrightsreserved