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Study of Aerodynamics of Propulsive Helicopter Fuselage
AbstractThe propulsive airfoil is investigated by determining the optimum air flow rate taken from the surface and comparing it with the air flow...
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Air-breathing rotating detonation engine supplied with liquid kerosene: propulsive performance and combustion stability
Experimental results are presented for a rotating detonation engine supplied with liquid kerosene and preheated air without liquid or gaseous...
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Study of 3D self-propulsive fish swimming using the δ+-SPH model
The bio-inspired propulsion facilitates the design of underwater vehicles because it benefits both the hydrodynamic performance and endurance of the...
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Effect of Heave Amplitude on the Propulsive Performance of Tandem Flap** Foils
The current study investigates the flow dynamics around rigid flap** NACA0015 foils in tandem configuration at low Reynolds number. The effect of...
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Propulsive/Aerodynamic Coupled Characteristics of the Distributed-Propulsion-Wing in Hover and Forward Flight
Based on the background of distributed hybrid electric propulsion aircraft technology, this paper conducts numerical simulation and analysis on...
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Self-propulsive Performance of Tandem Flap**-Fixed Airfoils at Low Reynolds Number: A Case Study
Tandem airfoils or hydrofoils have been extensively observed in both natural flyers or swimmers and aircraft. Dragonflies can achieve excellent...
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Topology Structure Design of Fish-Based Propulsive Mechanisms
The research presented here has its centre point on imitation of fishes and the kinematics of propulsive mechanisms to be used in efficient and...
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The propulsive effect generated by fast travelling-wave vibrations
A prototype problem for the propulsion arising from a spatially-dependent source is analysed asymptotically. Such driving is a phenomenon that, while...
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Flight dynamics and control assessment for differential thrust aircraft in engine inoperative conditions including aero-propulsive effects
Differential thrust can be used for directional control on distributed electric propulsion aircraft. This paper presents an assessment of flight...
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Pre-swirl fins design for improved propulsive performances: application to fast twin-screw passenger ships
Pre-swirl fins-based energy saving devices (ESDs) have been designed to improve the propulsive performances of twin-screw ships. To this aim, a...
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Numerical investigation of the effects of fuselage upsweep in a propulsive fuselage concept
In recent years, aircraft concepts employing wake-filling devices to reduce mission fuel burn have gained increasing attention. The study presented...
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Is Optimal Velocity Constant During Running?
The minimum-time competitive run is reconsidered in the paper. The problem is formulated and solved in optimal control (calculus of variations). A...
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Amphibious Robotic Propulsive Mechanisms: Current Technologies and Open Challenges
Amphibious robots capable of transition from aquatic to terrestrial locomotion face significant challenges associated with propulsive efficacy in...
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Design of the landing guidance for the retro-propulsive vertical landing of a reusable rocket stage
Launcher reusability is the most effective way of reducing access to space costs, but remains a great technical challenge for the European aerospace...
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Effect of Velocity Ratio on Evolution of Vortices of a Coaxial jet
A coaxial jet has a higher potential to increase mixing between both its constituent fluids and the ambient fluid through increased spreading due to...
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Effects of the Pivot Point Locations on the Propulsive Performance of a Two-Dimensional Flap** Elliptic Airfoil with a Pitching Angular Offset
This article reports an investigation on the impacts of pivot locations and pitching angular offsets on the two-dimensional flap** elliptic...
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Flow structure in the wake of a space-launcher model with propulsive-jet simulation
The flow around a space launcher is dominated by flow separation at the junction between the main body and engine and strongly influenced by the...
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Velocity-Based Training for Monitoring Training Load and Assessing Training Effects
Currently, velocity-based training (VBT) is one of the hot topics in sport science and among strength and conditioning coaches. However, its wide use...
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A study of undulatory and rotational wave motion in the beam for the locomotion of underwater robots
A computational approach to study the undulatory and rotational motion in the beam for underwater locomotion is reported in this work. It is focused...
