Closed Vessel Combustion of Stick Propellant.

Chiu, Donald; Grabowsky, Aaron; Downs, D. S.

doi:10.21236/ada147802

Cited by 2 publications

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“…Thus, the timer would sense that the strand burned for 5 cm in length. Donald Chiu [14] reported that there was no significant effect on the burning rate by varying the propellant strand length used for testing. Fig.…”

Section: Fig1 Strand Burner Sb-1 Clamped To the Tablementioning

confidence: 99%

Development of Strand Burner Test by Using Aluminized AP/HTPB

Hafizi

Mamat

Aziz

et al. 2016

MSF

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One of the key factors that play an important role in the performance of a solid propellant rocket is dependent on its burning rate. A strand burner is a type of apparatus used to measure the propellant burning rate at elevated pressure. This study investigates the relation between burning rates of aluminized ammonium perchlorate at low pressure. Chamber pressure was varied from 1 atm, 3 atm, 5 atm and 7 atm. This study shows that propellant burning rate is about 50%-62% higher when the burn rate test is conducted at atmospheric condition compared to when it is done in inert gas. The investigation’s results also revealed an increasing propellant burning rate when the chamber pressure is increased. In conclusion, the burning condition and chamber pressure influences the propellant burning rate.

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Section: Fig1 Strand Burner Sb-1 Clamped To the Tablementioning

confidence: 99%

Development of Strand Burner Test by Using Aluminized AP/HTPB

Hafizi

Mamat

Aziz

et al. 2016

MSF

View full text Add to dashboard Cite

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Studies on the Ballistic Parameters of a Deterred Triple Base Propellant Used in Large Caliber Ammunition

Dahiwale¹,

Bhongale²,

Roy³

et al. 2019

Cent. Eur. J. Energ. Mater.

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In this work, the energetic plasticizer N-n-butyl-N-(2-nitroxyethyl) nitramine (Bu-NENA) was used as a deterrent coating for a triple base propellant (TBP) that finds application in large caliber guns. Closed vessel (CV) evaluation was performed to study the ballistic performance of the deterred propellant. A TBP containing nitrocellulose (NC), nitroglycerine (NG) and nitroguanidine (NQ) was coated with an energetic plasticizer using a solution of Bu-NENA. The Bu-NENA coated propellant exhibited inhibition to burning resulting in a reduction in the values of the ballistic parameters viz. (dP/dt)max, burning rate coefficient (β) and relative vivacity (RV), while the pressure index (α) and rise time were increased. The trends obtained during this work display the potential of Bu-NENA as deterrent.[27] Jeunieau, L.; Lefebvre, M.H.; Fonder, N.; Guilaume, P. Ballistic Stability and Influence of the Firing Temperature of Two Deterred Propellants.

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Closed Vessel Combustion of Stick Propellant.

Abstract: The views, opinions, and/or findings contained in this report are those of the author(s) and should not be construed as an official Department of the Army position, policy, or decision, unless so designated by other documentation.

Cited by 2 publications

References 0 publications

Development of Strand Burner Test by Using Aluminized AP/HTPB

Development of Strand Burner Test by Using Aluminized AP/HTPB

Studies on the Ballistic Parameters of a Deterred Triple Base Propellant Used in Large Caliber Ammunition

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