Chemical enhancement of footwear impressions in blood deposited on fabric — evaluating the use of alginate casting materials followed by chemical enhancement [PDF]
, 2010 Most footwear marks made in blood on a surface such as fabric tend to be enhanced in situ rather than physically recovered using a lifting technique prior to enhancement.
Bandey, Helen +4 more
core +3 more sources
Design of High-Efficiency Jet Lift Enhancement for Flaps Under Propeller Slipstream Influence
AerospaceBoth propeller slipstream and flap jet flow can significantly increase the aircraft lift coefficient. To establish design principles for efficient lift enhancement via jet flow under the influence of slipstream, wind tunnel experiments are conducted on a
Yan Shao +5 more
doaj +1 more source
Lift Enhancement of Tiltrotor Wing Using a Gurney Flap
International Journal of Aerospace Engineering, 2022 A numerical investigation was undertaken to explore the lift-enhancing characteristics of the Gurney flap on a tiltrotor wing. The heights of Gurney flaps range from 1 to 4% wing chord lengths.
Hao Chen, Bo Chen
doaj +1 more source
Journal of Marine Science and Engineering, 2021 In this study, a high-speed planing trimaran hull form is designed, and the effects of different displacements and gravity longitudinal layouts on the performance of the trimaran planing hull in calm water are experimentally investigated in the towing ...
Jin Zou +4 more
doaj +1 more source
Numerical Simulations of the Transient Flow Response of a 3D, Low-Aspect-Ratio Wing to Pulsed Actuation [PDF]
, 2011 Numerical simulations of the natural and actuated unsteady flow over a three-dimensional low-aspect ratio wing are performed using Lattice Boltzmann method.
Brès, Guillaume A. +3 more
core +1 more source
The lift enhancement mechanism caused by the deformation of the surface of the wide-speed waverider
The Physics of FluidsThe optimization method provides an effective approach to enhance the low-speed lift of the vortex lift waveriders by deforming the aerodynamic shape refinedly. However, the vortex lift enhancement mechanism of the optimized configuration is unclear.
Feng Qu, Tianyu Wang, Qian Zhao, Di Sun
semanticscholar +1 more source
Lift enhancement characteristics of distributed propulsion wing with propulsion-aerodynamic coupling
Kongqi donglixue xuebaoTo reconcile the high-lift demands of short takeoff and landing (STOL) with the requirement for efficient cruise in unmanned aerial vehicles (UAVs), this paper presents a novel distributed propulsion wing lift enhancement configuration (DPWLEC) that ...
Jingting YANG +3 more
doaj +1 more source
Goats excel at learning and remembering a highly novel cognitive task [PDF]
, 2014 PMCID ...
Baciadonna, L +3 more
core +2 more sources
Investigating the Impact of Plain Flap as Lift Enhancement on Symmetrical Airfoils
International Journal of Marine Engineering Innovation and Research⎯ Symmetric airfoils like NACA 0015 have limitations in generating lift force compared to asymmetric airfoils. Therefore, additional devices are needed to overcome this limitation, A plain flap is one of a device that can be used to enhance the lift ...
Yohanes Mangatur Parluhutan +2 more
semanticscholar +1 more source
Unveiling the origin of third harmonic generation in hybrid ITO-plasmonic crystals [PDF]
, 2015 A hybrid plasmonic crystal for reaching a higher nonlinear upconversion rate is proposed and the physical mechanism behind the enhancement is unveiled by demonstrating that the nonlinear signal contains a unique spectral fingerprint regarding its origin.
Aouani +29 more
core +2 more sources