Results 31 to 40 of about 150,010 (213)

Cutting Edge: TRAIL Deficiency Accelerates Hematological Malignancies [PDF]

open access: yesThe Journal of Immunology, 2005
Abstract TNF apoptosis-inducing ligand is attracting considerable interest as a potential extrinsic tumor suppressor mechanism, although previous reports have conveyed somewhat contrasting views regarding the likely importance of this pathway.
Zerafa N   +6 more
openaire   +5 more sources

Poro-Serrated trailing edge devices for airfoil self-noise reduction [PDF]

open access: yes, 2015
This paper represents the continuation of the works previously published in Chong et al. (“Self-Noise Produced by an Airfoil with Nonflat Plate Trailing-Edge Serrations,” AIAA Journal, Vol. 51, No. 11, 2013, pp. 2665–2677), who used several nonflat plate
Chong, TP, Joseph, PF, Vathylakis, A
core   +1 more source

Numerical simulation of turbulent flow around an airfoil with blunt trailing edge aerodynamic characteristics modification of this airfoil with base and aerodynamic cavity [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2013
This paper is a computational study of the behavior of aerodynamics  characteristics of an airfoil with blunt trailing edge and  studies the effects aerodynamic performance caused by modifications made to the trailing edge.
H Sayadi, a.r. shateri
doaj  

Influence Analysis of Simulation Parameters on Numerical Prediction of Compressible External Flow Field Based on NACA0012 Airfoil under Hypersonic Speed

open access: yesApplied Sciences, 2022
Currently, the influence of numerical parameters on the prediction accuracy of the compressible external flow field characterized by a NACA0012 airfoil under hypersonic speed, especially the influence analyses of the trailing edge shape, the modeling ...
Lu Yang, Guangming Zhang
doaj   +1 more source

An experimental study of airfoil instability tonal noise with trailing edge serrations [PDF]

open access: yes, 2013
This paper presents an experimental study of the effect of trailing edge serrations on airfoil instability noise. Detailed aeroacoustic measurements are presented of the noise radiated by an NACA-0012 airfoil with trailing edge serrations in a low to ...
Arbey   +27 more
core   +1 more source

Design and Aerodynamic Authority Analysis of ContinuousTrailing-edge Flap for Helicopter Blade

open access: yesHangkong gongcheng jinzhan, 2018
Continuous trailing-edge flap has many advantages over conventional discrete flap in helicopter rotor vibration reduction applications, such as light weight, compact structure and stable airflow. Macro fiber composite is chosen as the actuating material.
Li Yun   +3 more
doaj   +1 more source

Modified univibrator compensates for output timing errors [PDF]

open access: yes, 1967
One-stage, delay compensation amplifier, added to conventional univibrator circuitry time-synchronizes the trailing edge of the output pulse with the origin of the input pulse.
Strauss, M. G.
core   +1 more source

Aircraft rotor blade with passive tuned tab [PDF]

open access: yes, 1985
A structure for reducing vibratory airloading in a rotor blade with a leading edge and a trailing edge includes a cut out portion at the trailing edge. A substantially wedge shaped cross section, inertially deflectable tab, also with a leading edge and a
Campbell, T. G.
core   +1 more source

Numerical and Experimental Investigations of Axial Flow Fan with Bionic Forked Trailing Edge

open access: yesMachines, 2023
To improve the performance of the aerodynamic properties and reduce the aerodynamic noise of an axial flow fan in the outdoor unit of an air conditioner, this study proposed a bionic forked trailing-edge structure inspired by the forked fish caudal fin ...
Zhong Liang   +5 more
doaj   +1 more source

Pressure Bifurcation Phenomenon on Supersonic Blowing Trailing Edges

open access: yes, 2018
Turbine blades operating in transonic-supersonic regime develop a complex shock wave system at the trailing edge, a phenomenon that leads to unfavorable pressure perturbations downstream and can interact with other turbine stages. Understanding the fluid
de Vicente, Javier   +3 more
core   +3 more sources

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