Study on the Similarity Criteria of Aircraft Structure Temperature/Stress/Dynamic Response
Journal of Thermal Science and Technology, 2012 The performance parameters of thermal protection system are essential for the design and optimization of high-speed aircraft. The flight-ground conversion is a valid method to provide the effective support to the design of the thermal protection ...
Lei LIU +4 more
doaj +1 more source
Flutter test of rudder with real servo actuator in continuous transonic wind tunnel
Xibei Gongye Daxue Xuebao, 2022 Flutter wind tunnel test is an important approach of investigation of transonic flutter characteristics of flight vehicle. Comparing with the blow-down wind tunnel, the long-running and low dynamic pressure capabilities of continuous transonic wind ...
HAN Jiangxu +5 more
doaj +1 more source
Sensitivity mapping of TBL wall-pressure spectra with CFD turbulence models for wind tunnel test result prediction [PDF]
arXiv, 2022 In the present work, an attempt is made to map the sensitivity of the existing zero pressure gradient (ZPG) turbulent boundary layer (TBL) wall-pressure spectrum models with different TBL parameters, and eventually, with different Reynolds Averaged Navier Stokes (RANS) turbulence models, simulated in OpenFOAM and ANSYS Fluent solvers.
arxiv
Testing of a standard model in the VTI's large-subsonic wind-tunnel facility to establish users' confidence [PDF]
FME Transactions, 2014 A necessity to test a standard model testing for establishing confidence in the wind-tunnel flow quality and the validity of the test-data has been recognized in the Experimental Aerodynamics Laboratory of the Military Technical Institute (VTI) in ...
Ocokoljić Goran +3 more
doaj
Designing a multi-purpose wind tunnel suitable for limited spaces
Results in Engineering, 2022 A new design for a multi-purpose wind tunnel suitable for limited space is proposed. Toronto Metropolitan University is located in the downtown area of the city of Toronto, Canada, which is a busy location with limited campus space.
Mohamed Abdelwahab +2 more
doaj
Combined free-stream disturbance measurements and receptivity studies in hypersonic wind tunnels by means of a slender wedge probe and DNS [PDF]
, 2017 Combined free-stream disturbance measurements and receptivity studies in hypersonic wind tunnels were conducted by means of a slender wedge probe and direct numerical simulation. The study comprises comparative tunnel noise measurements at Mach 3, 6 and 7.4 in two Ludwieg tube facilities and a shock tunnel.
arxiv +1 more source
Wind tunnel testing of a novel wingsuit design
Procedia Engineering, 2010 AbstractA wingsuit is a special suit that is worn to allow the user to fly after jumping off of a high cliff. The wingsuit creates an airfoil shape by adding wings of material between the arms and the sides as well as a tail consisting of material between the legs. The wingsuit allows for the creation of lift and thus human flying.
Blair, Kim B. +2 more
openaire +4 more sources
Transport across junctions of a Weyl and a multi-Weyl semimetal [PDF]
Phys. Rev. B 99, 075153 (2019), 2018 We study transport across junctions of a Weyl and a multi-Weyl semimetal (WSM and a MSM) separated by a region of thickness $d$ which has a barrier potential $U_0$. We show that in the thin barrier limit ($U_0 \to \infty$ and $d \to 0$ with $\chi=U_0 d/(\hbar v_F)$ kept finite, where $v_F$ is velocity of low-energy electrons and $\hbar$ is Planck's ...
arxiv +1 more source
Wind Tunnel Tests of a Pitot-Static Tube Array to Estimate Wind Velocity [PDF]
arXiv, 2019 This paper examines the use of a pitot-static tube array (PSA) to estimate horizontal wind velocity in all directions. This method uses the readings from the PSA as inputs. No flight tests have been done, but this method could potentially be used to estimate wind velocity from small UAVs.
arxiv
Wind Tunnel and Hover Performance Test Results for Multicopter UAS Vehicles
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016 There is currently a lack of published data for the performance of multicopter unmanned aircraft system (UAS) vehicles, such as quadcopters and octocopters, often referred to collectively as drones. With the rapidly increasing popularity of multicopter
Carl Russell +3 more
semanticscholar +1 more source