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Thrust vectoring

Multi objective optimal design of a fluidic thrust vectoring nozzle

Multi objective optimal design of a fluidic thrust vectoring nozzle

... Fluidic Thrust Vectoring (FTV) systems based on Coand˘ a jets are amongst the most promising technologies being considered for future flapless aircraft. One of the core components of a Coand˘ a FTV device ...

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Design, Construction and Structure Analysis of Twinrotor UAV

Design, Construction and Structure Analysis of Twinrotor UAV

... Abstract--There have been much advancement in the field of aerospace and avionics. Scientists have increasingly started to focus on VTOL (vertical take - off and landing) aircrafts. We have built a miniature VTOL ...

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Mathematical model of a constructal Coanda effect nozzle

Mathematical model of a constructal Coanda effect nozzle

... a thrust vectoring propulsive nozzle named HOMER (High-speed Orienting Momentum with Enhanced Reversibility), exploit- ing Coanda effect of a dual stream on a curved, convex surface, and a plasma actuator ...

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EXPERIMENTAL INVESTIGATION OF A VARIABLE GEOMETRY DUCTED PROPELLER

EXPERIMENTAL INVESTIGATION OF A VARIABLE GEOMETRY DUCTED PROPELLER

... Alike in propellers a change of blade setting angle angle seems a natural solution, a change of shroud profile with increasing velocity seems to be natural for shrouds. Nevertheless the task is much more complicated than ...

6

STUDY OF HOVERBIKE

STUDY OF HOVERBIKE

... 3.1 The thrust vectoring is done by a special process, in which 4 rudders are placed at the end of the duct in 4 different directions. Each rudder can be moved individually by means of a controllable ...

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Linear Parameter-Varying Control of an F-16 Aircraft at High Angle of Attack

Linear Parameter-Varying Control of an F-16 Aircraft at High Angle of Attack

... In flight control, different performance goals are often specified for different angle of attack regions. A modern flight aircraft usually works in a wide angle of attack region, even near stall or in the post-stall ...

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On the experimental analysis of single input single output control of yaw rate and sideslip angle

On the experimental analysis of single input single output control of yaw rate and sideslip angle

... The concurrent yaw rate and sideslip control structures from the literature usually have multiple input single output (MISO) formulations, in which the two main inputs are the yaw rate and sideslip angle errors, and the ...

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Insect Transmission of Plant Pathogens: a Systems Biology Perspective

Insect Transmission of Plant Pathogens: a Systems Biology Perspective

... Aphids have become the most tractable vector for molecular studies on virus transmission because of their ability to switch between sexual and parthenogenetic reproduction and their fascinating variation in the ability ...

5

Fabrication and Design of Efficient Concrete Mixer Machine

Fabrication and Design of Efficient Concrete Mixer Machine

... A thrust bearing is a particular type of rotary ...this. Thrust bearings absorb axial loads from rotating shafts into the stationary housings or mounts in which they are ...Pure thrust bearings are ...

6

A systematic review of thrust manipulation combined with one conservative intervention for rotator cuff and related non-surgical shoulder conditions

A systematic review of thrust manipulation combined with one conservative intervention for rotator cuff and related non-surgical shoulder conditions

... of thrust manipulation plus one conservative intervention for a rotator cuff condition (shoulder ...of thrust manipulation plus exercise nor the relative contribution of individual therapies could be ...

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Development of an actuation system based on water jet propulsion for a slim long-reach robot

Development of an actuation system based on water jet propulsion for a slim long-reach robot

... In general, the use of the IMU to acquire the orientation at the tip as well as the delimitation in the thrust force field allows us to control the system in different environ- ments in a straightforward way. ...

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Optimal Thermodynamic Design of Turbofan Engines using Multi-objective Genetic Algorithm

Optimal Thermodynamic Design of Turbofan Engines using Multi-objective Genetic Algorithm

... The aim of this study is to optimize the performance functions of turbofan engines. In this way, the multi-objective genetic algorithm is employed to optimal design of turbofan with considering the off- design model of ...

10

Mechanics, power output and efficiency of the swimming muskrat (Ondatra zibethicus)

Mechanics, power output and efficiency of the swimming muskrat (Ondatra zibethicus)

... These are the metabolic thrust efficiency rfci-ob, overall energetic efficiency J/C and mechanical efficiency rimeThe metabolic thrust efficiency for the swimming muskrat was computed by[r] ...

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From studies on the thrust in swimming

From studies on the thrust in swimming

... of thrust. The aim of the study was to establish the level of thrust and swimming speed of the 2 nd year students (n=20) of the University School of Physical Education (USPE) in Poznań and to compare them ...

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Analysis of control flow valve 
					compensated thrust bearing considering thrust pad 
					flexibility

Analysis of control flow valve compensated thrust bearing considering thrust pad flexibility

... the externally pressurized thrust bearing. The parameter 𝑙̅ describe the ratio of chain length of polymer additive to that of nominal fluid film thickness. Long chain polymer additives have been blended into the ...

14

Analytical sun synchronous low-thrust manoeuvres

Analytical sun synchronous low-thrust manoeuvres

... In the absence of a spacecraft thrust vector it has long been established that consideration of non-Keplerian motion can generate useful orbit trajectories. For example, through careful consideration of the orbit ...

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Design of the Permanent Magnet Linear Synchronous Motor for High Thrust and Low Cogging Force Performance

Design of the Permanent Magnet Linear Synchronous Motor for High Thrust and Low Cogging Force Performance

... 12. Mohd Nasir, N. A., F. A. Abdul Shukor, R. N. F. K. Raja Othman, H. Wakiwaka, and K. Tashiro, “Design of permanent magnet linear synchronous motor stator to improve magnetic flux density profile toward high ...

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Head bobbing in pigeons: how stable is the hold phase?

Head bobbing in pigeons: how stable is the hold phase?

... and thrust forwards during the thrust phase, as has been confirmed by several other authors (Davies and Green, 1988; Friedman, 1975; Frost, 1978; Whiteside, ...and thrust phases also seem to occur ...

6

Stratigraphy and Structure of Dhamtaur Area, District Abbottabad, Eastern Hazara, Pakistan

Stratigraphy and Structure of Dhamtaur Area, District Abbottabad, Eastern Hazara, Pakistan

... and thrust belt which is marked by the Trans-Indus Range Thrust and Salt Range Thrust in the south where the Eocambrian to Pleistocene continental shelf sequence of Salt Ranges has thrusted southward ...

10

Low thrust propulsion in a coplanar circular restricted four body problem

Low thrust propulsion in a coplanar circular restricted four body problem

... the thrust needed to create artificial equilibrium points in A and G stated in Section 5, a numerical integration with Mathematica using a Runge- Kutta method is performed, starting sufficiently close to our ...

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