52nd Aerospace Sciences Meeting 2014
DOI: 10.2514/6.2014-0309
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Research on the Combustion of Bio-Derived Fuels in Hybrid Propellant Rocket Engine

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Cited by 9 publications
(5 citation statements)
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“…Unfortunately, it is difficult and impractical to collect all of the unburned fuel to calculate the losses. As a result of previous attempts to estimated losses, an indirect method of the estimation of losses was proposed 18,19 . The Method is based on local combustion product temperature measurements taken in the exhaust plum (Fig.…”
Section: Estimation Of the Loss Of Fuel And Experimental Resultsmentioning
confidence: 99%
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“…Unfortunately, it is difficult and impractical to collect all of the unburned fuel to calculate the losses. As a result of previous attempts to estimated losses, an indirect method of the estimation of losses was proposed 18,19 . The Method is based on local combustion product temperature measurements taken in the exhaust plum (Fig.…”
Section: Estimation Of the Loss Of Fuel And Experimental Resultsmentioning
confidence: 99%
“…The same results were obtained for 0.5 in grains. Regression rates of the combustion of paraffin with 10% of aluminum powder as a function of mass flow rate of the oxidizer for 1.0in gain (15) and 0.5in grain (16), mass flux of oxidizer for both 1.0in and 0.5in grains inner diameters (17), propellant mass flow rate for 1.0in grain (18) and 0.5in grain (19), and combustion chamber pressure for 1.0in grain (20) and 0.5in grain (21) were approximated by the following formulas: …”
Section: Study Of the Combustion Of Paraffin Wax And Paraffin Wamentioning
confidence: 99%
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“…The field of beeswax-fueled hybrid chemical propulsion is considerably underdeveloped compared to paraffin. An extensive search of literature related to beeswax hybrid rocket fuels yields a series of initial studies at the University of Tennessee, Knoxville culminating in two postgraduate theses [10,34,35], a series of annual senior design projects at Central Connecticut State University [36][37][38][39][40][41][42][43][44], and the lone peer reviewed article in the field of beeswax propulsion by the Egyptian Space Technology Centre [45]. Most of these works generally investigated a broad range of bioderived hybrid rocket fuels, but beeswax consistently proved most practical as a hybrid rocket fuel.…”
Section: B Beeswax 1) Evaluation As a Hybrid Rocket Fuelmentioning
confidence: 99%
“…A series of studies by Naoumov et al from 2013 to 2020 attempted to establish regression rate comparisons between paraffin, beeswax, and each of these with up to 10% micron-sized aluminum powder added for fuel grain port diameters of 12.7, 25.4, and 38.1 mm at combustion chamber pressures of 0.448 to 0.965 MPa [36][37][38][39][40][41][42][43][44]. Over 150 hot fires were conducted with gaseous oxygen alongside theoretical thermodynamic calculations which showed (1) little influence of aluminum addition on regression rate, (2) experimentally-determined regression rates of beeswax above those for paraffin reported by Karabeyoglu [3] but below those for beeswax reported by Putnam [35] at similar conditions; namely, oxidizer mass fluxes between 0.7 and 1.75 g/cm 2 s. Experimental efforts in these studies were plagued with low oxidizer mass flow rates (0.5-0.95 equivalence ratios), though in the most recent work attempts at increasing the mass flow rate of gaseous oxygen proved successful [44].…”
Section: B Beeswax 1) Evaluation As a Hybrid Rocket Fuelmentioning
confidence: 99%