Results 241 to 250 of about 276,192 (314)

Mathematical Modeling and Simulation of Adaptive Nozzle Design in Material Extrusion. [PDF]

Materials (Basel)
Kim D, Park SJ, Moon SK.
europepmc   +1 more source

Engineered biodegradable polymeric nanoparticles injectable system of atorvastatin for improved therapeutic activity. [PDF]

Sci Rep
Venkatraman R, B Narayanan VH, Nowakowski S, Nellinger S, Kluger P, Kopka B, Brzezinski M, Sankar A, Durai R.   +8 more
europepmc   +1 more source

An Overview of 3D Bioprinting Impact on Cell Viability: From Damage Assessment to Protection Solutions. [PDF]

J Funct Biomater
Manzoli S, Merotto E, Piccoli M, Gobbo P, Todros S, Pavan PG.   +5 more
europepmc   +1 more source

Programmable digital printing of organic single crystals for integrated electronics. [PDF]

Sci Adv
Li C, Yang H, Huang C, Hao L, Fan A, Geng B, He L, Zhang F, Duan S, Ren X, Hu W.   +10 more
europepmc   +1 more source

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Advanced Rocket Nozzles

Journal of Propulsion and Power, 1998
Several nozzle concepts that promise a gain in performance over existing conventional nozzles are discussed in this paper. It is shown that signie cant performance gains result from the adaptation of the exhaust e ow to the ambient pressure. Special attention is then given to altitude-adaptive nozzle concepts, which have recently received new interest ...
Hagemann, G., Immich, H., Nguyen, T. van, Dumnov, G.   +3 more
openaire   +3 more sources

Nozzles: Nozzle-less Devices Defined

Journal of the American Rocket Society, 1945
This is a complicated, but exact way of saying that any channel (converge n t divergent, straight or convergentdivergent) through which fluids expand to convert their heat or pressure energy into velocity in a given direction is a nozzle. Since the mass of gas is given a velocity at the expense of its heat or pressure energy, it is seen that the heat ...
openaire   +1 more source