Results 81 to 90 of about 10,232 (233)

Unsteady flow characteristic analysis of turbine based combined cycle (TBCC) inlet mode transition

open access: yesPropulsion and Power Research, 2015
A turbine based combined cycle (TBCC) propulsion system uses a turbine-based engine to accelerate the vehicle from takeoff to the mode transition flight condition, at which point, the propulsion system performs a “mode transition” from the turbine to ...
Jun Liu, Huacheng Yuan, Guo Rongwei
doaj   +1 more source

A remote augmentor lift system with a turbine bypass engine [PDF]

open access: yes
Two supersonic vertical takeoff or landing (VTOL) aircraft engine types, a conventional medium bypass ratio turbofan, and a turbine bypass turbojet were studied. The aircraft assumed was a clipped delta wing with canard configuration.
Fishbach, L. H., Franciscus, L. C.
core   +1 more source

A turbojet-boosted two-stage-to-orbit space transportation system design study [PDF]

open access: yes
The concept to use twin turbo-powered boosters for acceleration to supersonic staging speed followed by an all rocket powered orbiter stage was proposed. A follow-on design study was then made of the concept with the performance objective of placing a 29,
Hepler, A. K.   +3 more
core   +1 more source

TRANSIENT PERFORMANCE OF A SINGLE-SPOOL TURBOJET ENGINE

open access: yesJournal of Engineering, 2003
The transient performance (acceleration and deceleration) analysis of turbojet gas turbine engire has been carried out in the present work. Transient simulation of the engines is based on the compatibility of flow and rotational speed but not of work ...
Arkan K. Al-Tael   +2 more
doaj   +1 more source

Comparison of numerical simulation results of the mixing chamber with physical experiment data

open access: yesАвіаційно-космічна техніка та технологія
The mixing chamber of a turbojet engine is the object of the study. The thermogasdynamic processes in the mixing chamber of the turbojet engine before the turbine of the turbofan attachment are the subjects of the study.
Illia Yudin
doaj   +1 more source

Engine environmental effects on composite behavior [PDF]

open access: yes
A series of programs were conducted to investigate and develop the application of composite materials to turbojet engines. A significant part of that effort was directed to establishing the impact resistance and defect growth chracteristics of composite ...
Chamis, C. C., Smith, G. T.
core   +1 more source

A Hybrid Algorithm Modeling on Test-Bench Data for Light-Duty Afterburning Turbojet Engine

open access: yesAerospace
For highly maneuverable aircraft, the afterburning engine serves as a core and critical component. Due to the complex structure of the afterburner and the strong coupling among parameters, mechanism-based modeling of afterburning engines remains ...
Tong Xin   +4 more
doaj   +1 more source

Experience with integrally-cast compressor and turbine components for a small, low-cost, expendable-type turbojet engine [PDF]

open access: yes
Experiences with integrally-cast compressor and turbine components during fabrication and testing of four engine assemblies of a small (29 cm (11 1/2 in.) maximum diameter) experimental turbojet engine design for an expendable application are discussed ...
Dengler, R. P.
core   +1 more source

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