Results 71 to 80 of about 102,556 (307)
Flow visualization studies of blowing from the tip of a swept wing [PDF]
Flow visualization studies of blowing from the tip of a swept wing were conducted in the Langley 16- by 24-inch water tunnel. Four wing tips, each with two independent blowing slots, were tested.
Mineck, Raymond E. +2 more
core +1 more source
Effects of a synthetic jet acting on a separated flow over a hump [PDF]
, 2006 The effects of an oscillatory zero-net-mass-flux jet (i.e. synthetic jet) acting on a separated flow over a hump are investigated in terms of two actuation parameters – actuator position and forcing frequency.
Suzuki, Takao
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Topological Point Defects in SmC* Liquid Crystals Under Mechanical Disturbance
Advanced Materials Interfaces, EarlyView.Tangetial air jet shear inducess island formation and nucleates topological point defects in uniform SmC films. Island bounded by edge dislocation loops shrink and transform into isolated point defects under continued shear. Mechanical perturbatio provides a controllable route for defect engineering in smectric liquid crystal thin films.
Gunganist Kongklad +3 more
wiley +1 more source
Flap noise measurements for STOL configurations using external upper surface blowing [PDF]
Screening tests of upper surface blowing on externally blown flaps configurations were conducted. Noise and turning effectiveness data were obtained with small-scale, engine-over-the-wing models.
Dorsch, R. G. +2 more
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Effect of the CO2 top-blowing ratio on the end of the converter
工程科学学报, 2022 When combined with the high-temperature reaction characteristics of carbon dioxide—that is, the weak oxidation, endothermic, or weak exothermic effect compared with oxygen and the bubble increment effect of reacting with carbon to produce twice the gas—the carbon dioxide smelting process was targeted according to the different tasks in different ...
Jian-feng DONG +5 more
openaire +1 more source
Advanced Materials Technologies, EarlyView.Liquid metal direct writing is advanced from a technological and fundamental point. Utilizing a kinematic bed, printing on large surfaces with irregularities is enabled. Furthermore, a pressure‐driven flow during printing is discovered that affects the thickness of traces.
Maximilian Krack +15 more
wiley +1 more source
Polymeric foams from cross-linkable poly-N-ary lenebenzimidazoles [PDF]
, 1978 Foamed cross-linked poly-N-arylenebinzimidazoles are prepared by mixing an organic tetraamine and an ortho substituted aromatic dicarboxylic acid anhydride in the presence of a blowing agent, and then heating the prepolymer to a temperature sufficient to
Delano, C. B. +2 more
core +1 more source
A Numerical Study of Anti-Vortex Film Cooling Designs at High Blowing Ratio [PDF]
Volume 4: Heat Transfer, Parts A and B, 2008 A concept for mitigating the adverse effects of jet vorticity and lift-off at high blowing ratios for turbine film cooling flows has been developed and studied at NASA Glenn Research Center. This “anti-vortex” film cooling concept proposes the addition of two branched holes from each primary hole in order to produce a vorticity counter to the ...
openaire +1 more source
3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response
Advanced Materials Technologies, EarlyView.poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya +9 more
wiley +1 more source
Reduction of tilt rotor download using circulation control [PDF]
The effect of boundary layer control blowing on the download of a wing in the wake of a hovering rotor was measured in a small scale experiment. The objective was to evaluate the potential of boundary layer control blowing for reducing tilt rotor ...
Faye, Robert E. +2 more
core +1 more source