Results 11 to 20 of about 61,471 (312)
Rubber Chemistry and Technology, 2019 ABSTRACT Solid propellants are energetic materials used to launch and propel rockets and missiles. Although their history dates to the use of black powder more than two millennia ago, greater performance demands and the need for “insensitive munitions” that are resistant to accidental ignition have driven much research and development over the ...
Mason, B.P., Roland, C.M.
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THE PROPELLER AND THE FROG [PDF]
The Astrophysical Journal, 2010 "Propellers" in planetary rings are disturbances in ring material excited by moonlets that open only partial gaps. We describe a new type of co-orbital resonance that can explain the observed non-Keplerian motions of propellers. The resonance is between the moonlet underlying the propeller, and co-orbiting ring particles downstream of the moonlet where
Pan, Margaret, Chiang, Eugene
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Indian Journal of Plastic Surgery, 2022 AbstractA propeller flap is an islanded flap that reaches the recipient site through an axial rotation around its vascular axis. The degree of rotation varies from 90 degrees to 180 degrees. It is a highly reliable local reconstructive option. These flaps are simple, single-stage, easy to harvest, and not constrained by routine length-to-width ratios ...
Nikhil Panse, Ankur Karanjkar
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THE COMPATIBILITY OF MODEL FOR LOW SHEAR FLOW ANALYSIS IN DEVELOPING PLASTICIZED HTPB-BASED BINDER
Spektra: Jurnal Fisika dan Aplikasinya, 2020 In developing flow behavior of plasticized prepolymer as liquid content of composite solid propellant, zero shear viscosity (ZSV) is a critical parameter that Goh-Wan equation is developed to model it recently [1].
Afni Restasari +4 more
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Long term investigation of bonding characteristics between PVC based inhibitor and HTPB/IPDI based propellant [PDF]
Scientific Technical ReviewBonding characteristics between extruded polyvinyl chloride (PVC) inhibitor and casted hydroxyl terminated polybutadiene/isophorone isocyanate (HTPB/IPDI) propellant, investigated in a long period of time, are topics of this paper. Basic statements about
Radulović Jovan, Milojković Aleksandar
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Fenomen erozije cevi naoružanja / Gun barrel erosion
Vojnotehnički Glasnik, 2009 U radu su prikazana dosadašnja istraživanja erozije cevi. Trošenje cevi je neizbežan proces do kojeg dolazi pri svakom opaljenju. Erozija cevi može se definisati kao progresivna povreda ili oštećenje površine cevi i proširenje kalibra usled opaljenja ...
Slobodan Ilić, Goran Marjanović
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Performances Study of a Hybrid Rocket Engine [PDF]
INCAS Bulletin, 2018 This paper presents a study which analyses the functioning and performances optimization of a hybrid rocket engine based on gaseous oxygen and polybutadiene polymer (HTPB).
Adrian-Nicolae BUTURACHE
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A MEMS-based solid propellant microthruster array for space and military applications [PDF]
, 2015 Since combustion is an easy way to achieve large quantities of energy from a small volume, we developed a MEMS based solid propellant microthruster array for small spacecraft and micro-air-vehicle applications.
Chaalane, A +9 more
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Investigation of Effect of Rheological Behavior of Gelled Propellant on Atomization Characteristics of Swirl Injector [PDF]
فناوری در مهندسی هوافضا, 2021 The Gelled propellants have a promising future for aerospace applications because of possessing the advantages of both solid and liquid propellants. A gel propellant is a liquid propellant whose rheological properties have changed by the addition of ...
Ali Saberi moghaddam +2 more
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