Results 141 to 150 of about 362 (192)

Novel technologies for CO₂ conversion to renewable fuels, chemicals, and value-added products. [PDF]

Discov Nano
Awogbemi O, Desai DA.
europepmc   +1 more source

Abrasive Waterjet Machining. [PDF]

Materials (Basel)
Hashish M.
europepmc   +1 more source

A review on aero-engine inlet-compressor integration and inlet flow distortion in axial compressors. [PDF]

Fundam Res
Li Z, Sun D, Dong X, Sun X.
europepmc   +1 more source

The Legacy and Future of Aluminum Alloys: Space Exploration and Extraterrestrial Settlement. [PDF]

ACS Mater Au
Tunes MA.
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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
exaly   +2 more sources

Thrust modulation in hybrid rocket engines

Journal of Propulsion and Power, 1988
An experimental investigation of hybrid rocket engines (HRE) is performed to study the throttling performance within a thrust range of 10:1. In order to improve the throttling properties over the entire thrust range, the method of secondary gas injection (gasification) was used. The injection gases were reactive (O2) and inert (N2). High-pressure tests
exaly   +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 F Nikitin, V B Betelin, N N Smirnov
exaly   +2 more sources

Optimal Robust Design of Hybrid Rocket Engines

Springer Optimization and Its Applications, 2016
Hybrid rocket engines are flexible, safe, reliable, and low-cost and can be used in many aerospace applications. The engine design and operation are contingent on the type of designated mission and engine design is strictly related to trajectory optimization.
Dario Pastrone, Lorenzo Casalino, Casalino Lorenzo   +2 more
exaly   +2 more sources

Scalability and dynamic stability of hybrid rocket engines

Proceedings of 5th International Conference on Recent Advances in Space Technologies - RAST2011, 2011
This paper is divided in two parts. The purpose of the first part is to tackle the problem of geometrical scalability of hybrid rocket engines while the second part of the paper the stability of hybrid rocket motor is investigated using Liapunov theory.
Teodor Viorel Chelaru, Mingireanu Florin, Enache Vasile, Neagu Ion   +3 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