Results 141 to 150 of about 439 (179)

Aramid Fiber-Reinforced Plastics (AFRPs) in Aerospace: A Review of Recent Advancements and Future Perspectives. [PDF]

Polymers (Basel)
Xu X, Guo Y, Shen Z, Liu B, Yan F, Zhong N.   +5 more
europepmc   +1 more source

Progress in Nanofluid Technology: From Conventional to Green Nanofluids for Biomedical, Heat Transfer, and Machining Applications. [PDF]

Nanomaterials (Basel)
Cardoso BD, Souza A, Nobrega G, Afonso IS, Neves LB, Faria C, Ribeiro J, Lima RA.   +7 more
europepmc   +1 more source

Pollution Effects and Management of Orbital Space Debris. [PDF]

ACS Omega
Shareefdeen Z, Al-Najjar H.
europepmc   +1 more source

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Hybrid rocket engine, theoretical model and experiment

Acta Astronautica, 2011
Abstract The purpose of this paper is to build a theoretical model for the hybrid rocket engine/motor and to validate it using experimental results. The work approaches the main problems of the hybrid motor: the scalability, the stability/controllability of the operating parameters and the increasing of the solid fuel regression rate.
Teodor-Viorel Chelaru
exaly   +2 more sources

Numerical modeling of hybrid rocket engine

Aerospace Systems, 2023
Sachin Srivastava, Amit Kumar Thakur, Lovi Raj Gupta   +2 more
exaly   +2 more sources

Optimal propellant control in hybrid rocket engines

31st Joint Propulsion Conference and Exhibit, 1995
Paper AIAA 95 ...
COLASURDO, GUIDO, PASTRONE, Dario Giuseppe, CASALINO, LORENZO   +2 more
openaire   +3 more sources

Hybrid rocket engines: The benefits and prospects

Aerospace Science and Technology, 2007
The review of research avenues for working processes (ignition, combustion, etc.) in hybrid rocket engines (HRE), for thermal protection and power characteristics is stated. Based on conducted design and exploratory studies and design developments, the reasonable fields of application of HRE to launch systems for orbit insertion of payload are ...
N.A. Davydenko, R.G. Gollender, A.M. Gubertov, V.V. Mironov, N.N. Volkov   +4 more
openaire   +1 more source

Restart transients of hybrid rocket engines.

Journal of Spacecraft and Rockets, 1973
Experimental investigation of the problems associated with restarting hybrid rocket motors (i.e., motors wherein a liquid or gaseous oxidizer is injected into the port of a solid fuel grain with subsequent mixing and combustion of the oxidizer and fuel) following a brief period of extinguishment. The results include the finding that the ignition delay
M. A. SARANIERO, L. H. CAVENY, M. SUMMERFIELD   +2 more
openaire   +1 more source

Hybrid Rocket Engines Design for Materials Characterization

2023
Hybrid Rocket Engines (HREs) have generated positive interest in the scientific community due to their ability to combine the special characteristics pertaining to solid and liquid propulsion I [ 1]. Eligible as promising technology enablers for the future of space industry, HREs are valuable for their safe and controlled design nature, simplified ...
Mangioni G., Marocco R., Crispino G. M., Bianchi D., Mungiguerra S., Savino R.   +5 more
openaire   +2 more sources

Numerical investigations of hybrid rocket engines

Acta Astronautica, 2018
Abstract Paper presents the results of numerical studies of hybrid rocket engines operating cycle including unsteady-state transition stage. A mathematical model is developed accounting for the peculiarities of diffusion combustion of fuel in the flow of oxidant, which is composed of oxygen-nitrogen mixture.
V.B. Betelin, A.G. Kushnirenko, N.N. Smirnov, V.F. Nikitin, V.V. Tyurenkova, L.I. Stamov   +5 more
openaire   +1 more source