Missile Propulsion Systems

Satyaprasad, P; Sharma, Maitreyee P.; Richarya, Abhishek; Ranjit, A Rolex; Chandran, B. S. Subhash

doi:10.1007/978-981-10-2143-5_15

Cited by 3 publications

(3 citation statements)

References 1 publication

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“…The most important material properties required for ablative resistance are low density, low thermal conductivity, high temperature resistance, formation of a stable char, and high char shear strength [9,20,21] and also good erosion performance [22]. Thermal insulation must also bond to propellant and casing and inhibit propellant grain surfaces.…”

Section: Polymeric Insulators For Solid Propellant Rocket Motorsmentioning

confidence: 99%

Evaluation of elastomeric heat shielding materials as insulators for solid propellant rocket motors: A short review

et al. 2020

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This review addresses a comparison, based on the literature, among nitrile rubber (NBR), ethylene-propylene-diene-monomer rubber (EPDM), and polyurethane (PU) elastomeric heat shielding materials (EHSM). Currently, these are utilized for the insulation of rocket engines to prevent catastrophic breakdown if combustion gases from propellant reaches the motor case. The objective of this review is to evaluate the performance of PU–EHSM, NBR–EHSM, and EPDM–EHSM as insulators, the latter being the current state of the art in solid rocket motor (SRM) internal insulation. From our review, PU–EHSM emerged as an alternative to EPDM–EHSM because of their easier processability and compatibility with composite propellant. With the appropriate reinforcement and concentration in the rubber, they could replace EPDM in certain applications such as rocket motors filled with composite propellant. A critical assessment and future trends are included. Rubber composites novelties as EHSM employs specialty fillers, such as carbon nanotubes, graphene, polyhedral oligosilsesquioxane (POSS), nanofibers, nanoparticles, and high-performance engineering polymers such as polyetherimide and polyphosphazenes.

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Section: Polymeric Insulators For Solid Propellant Rocket Motorsmentioning

confidence: 99%

Evaluation of elastomeric heat shielding materials as insulators for solid propellant rocket motors: A short review

et al. 2020

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“…• Teknologi penggerak: Peluru kendali modern menggunakan berbagai jenis penggerak seperti motor roket, motor turbojet, atau motor turbofan. Penggerak ini memberikan daya dorong yang diperlukan untuk membawa peluru kendali menuju target [15].…”

Section: Teknologi Pengembangan Peluru Kendaliunclassified

Rudal Canggih dari Tiga Negara Superpower: JASSM, Kinzhal, dan DF-41

Nurahman

Pribadi²

2023

BST

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Pengembangan dan produksi peluru kendali memiliki biaya yang sangat tinggi, tergantung pada jenis, kompleksitas, dan teknologi yang digunakan. Biaya operasional dan pemeliharaan juga besar dan memerlukan investasi terus-menerus. Meskipun demikian, banyak negara tetap melakukan pengembangan peluru kendali sebagai bagian dari strategi pertahanan dan simbol kekuatan. Pengembangan peluru kendali dapat memberikan kemajuan dalam teknologi dan ilmu pengetahuan, namun penggunaannya dapat menimbulkan dampak negatif seperti meningkatnya ketegangan antarnegara dan risiko konflik. Oleh karena itu, penggunaan peluru kendali harus dipertimbangkan dengan matang dan memperhatikan aspek-aspek etis dan hukum yang berkaitan. Pengembangan teknologi peluru kendali terus berlanjut, dan banyak negara berlomba-lomba untuk mengembangkan teknologi yang lebih canggih dan presisi. Namun, dalam penggunaannya, aspek-aspek etis dan hukum yang berkaitan dengan penggunaan peluru kendali harus diperhatikan.

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“…Nitrate ester based energetic materials such as nitrocellulose, nitroglycerine, triethylene glycol dinitrate (EGDN), 1,2-propylene glycol dinitrate (PGDN), pentaerythritol tetranitrate (PETN), are widely employed as main ingredients of propulsion systems [3]. However, the low bonding energy of the nitric ester group [2] can initiate, even at ambient temperatures, thermal decomposition of these nitrate esters, generating nitrogen oxides and other products.…”

Section: Introductionmentioning

confidence: 99%

Experimental and modeling studies of binary organic eutectic systems to be used as stabilizers for nitrate esters-based energetic materials

Chelouche

Pinho

Khimeche

2019

Fluid Phase Equilibria

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Four binary mixtures with potential for stabilizing energetic materials have been investigated. The phase diagrams of N-(2-methoxyethyl)-p-nitroaniline þ diphenylamine, N-(2-methoxyethyl)-p-nitroaniline þ N-(2-acetoxyethyl)-p-nitroaniline, N-(2-methoxyethyl)-p-nitroaniline þ 2-nitrodiphenylamine, and N-(2methoxyethyl)-p-nitroaniline þ 1,3-diethyl-1,3-diphenylurea have been determined by differential scanning calorimetry. All systems display a simple eutectic behavior. Consistency tests have been applied to inspect the quality of the SLE data, showing very satisfactory quality factors. The SLE data have also been correlated by Wilson and NRTL models. The employed equations calculated the equilibrium temperatures with a root mean square deviations varying from 1.37 to 2.29 K. These models have been applied to compute the excess thermodynamic functions as well, giving highly comparable values for a further qualitative and quantitative analysis. The results show a positive deviation from ideality for all the investigated systems due to the dominant effect of the self-association molecules. The XRD studies revealed the existence of weak interactions between the components in the formed eutectics and suggested that they are mechanical systems.

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Missile Propulsion Systems

Cited by 3 publications

References 1 publication

Evaluation of elastomeric heat shielding materials as insulators for solid propellant rocket motors: A short review

Evaluation of elastomeric heat shielding materials as insulators for solid propellant rocket motors: A short review

Rudal Canggih dari Tiga Negara Superpower: JASSM, Kinzhal, dan DF-41

Experimental and modeling studies of binary organic eutectic systems to be used as stabilizers for nitrate esters-based energetic materials

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