Showing papers in "Progress in Aerospace Sciences in 2005"

TL;DR: The multi-objective optimal design of a liquid rocket injector is presented to highlight the state of the art and to help guide future efforts.

TL;DR: A review of recent advances using composites in modern aircraft construction is presented and it is argued that fibre reinforced polymers, especially carbon fibre reinforced plastics (CFRP), can and will in the future contribute more than 50% of the structural mass of an aircraft as discussed by the authors.

TL;DR: In this article, the current knowledge of iced airfoil aerodynamics is presented from a flowfield-physics perspective, identifying four classes of ice accretions: roughness, horn ice, streamwise ice, and spanwise-ridge ice.

TL;DR: In this article, a review of the aerodynamic properties of nonslender delta wings is presented, covering topics of shear layer instabilities, structure of non-slender vortices, breakdown, maneuvering wings, and fluid/structure interactions.

TL;DR: High-order accurate finite-difference, finite-volume, and finite-element methods as mentioned in this paper have been widely used to effectively resolve complex flow features of aerodynamics flows with meshes that are reasonable for today's computers.

TL;DR: The main developments that have taken place and the evolution of mesh generation over the last 35 years are surveyed, followed by an assessment of the accuracy of Navier Stokes codes that are currently in use for predicting the drag of an aircraft at transonic cruise.

TL;DR: In this paper, the authors re-examine previously developed cavitation models, including thermal effect and turbulence closures, and compare them with experimental data under both non-cryogenic and cryogenic conditions.

TL;DR: In this article, the authors used a shock tunnel to study the operation of scramjet powered configurations at sub-orbital velocities above 2.5 km/s with one configuration, while net thrust was produced with another configuration using an ignition promoter in hydrogen fuel.

TL;DR: In this paper, the most effective plasma actuator is derived from an electromagnetic perturbation and amplifies by a subsequent viscous-inviscid interaction, and the control mechanism relies on the Lorentz force to energize the viscous interacting region, but the effectiveness of momentum transfer via inelastic collision requires further validation.

TL;DR: In this paper, the authors summarized recent theoretical modelling developed by the authors on stiffness property degradation and mechanical behaviour of general symmetric laminates with off-axis ply cracks and crack-induced delaminations and derived closed-form analytical expressions for Mode I, Mode II and total strain energy release rates associated with these damage modes.

TL;DR: In this paper, the role of wake turbulence in laminar-turbulent transition in low-pressure turbine turbomachines has been investigated, and the effects of wakes may be exploited to control loss generation.

TL;DR: In this article, a historical perspective of computational fluid dynamics (CFD) in aerospace in the last 30 years is given, and it is shown that there still remain a number of problems that are geometrically simple but difficult to simulate even after many simulations were conducted over complex body configurations.

TL;DR: A variety of atomic/molecular filter diagnostic techniques have been under development for qualitative and quantitative flow diagnostic tools since their introduction in the early 1990s This class of techniques utilizes an atomic or molecular filter, which is basically a glass cell containing selected vapor-phase species (eg, I2, Hg, K, Rb) as discussed by the authors.

TL;DR: A review on the implementation of modern computational fluid dynamics (CFD) methods for simulating low and high-speed flows featuring turbulent mixing, instabilities and symmetry breaking is presented in this article.

TL;DR: In this paper, the authors discuss the synergism of flow and noise control technologies relevant to both air and undersea vehicles and outline direct and indirect linkages, counterproductive linkages and examples with no linkages between noise and flow control technologies.

TL;DR: In this paper, the progress made in numerical simulation of electric propulsion thrusters is considered and the physical regimes created in these thrusters indicate that a variety of numerical methods are required for accurate numerical simulation ranging from continuum formulations to kinetic approaches.

TL;DR: In this article, the scale effect is of significance in all experimental aerodynamics testing, and at high angles of attack such issues as Reynolds and Mach number scaling are further complicated by the presence of complex complex structures.

TL;DR: In this article, a review of the out-of-ground effect propulsion-induced interference on the aerodynamics of jet-lift short take-off and vertical landing (STOVL) aircraft is provided.

TL;DR: In this paper, the authors reviewed questions of the magnetic propulsion theory and showed a number of its important advantages, one of them is the possible performance of aerospace and interplanetary flights by the same unit.