-
1541
A Review: Differential Transform Method for Semi-Analytical Solution of Differential Equations
Published 2020-06-01Get full text
Article -
1542
Digital-age Urbanism with Eddy3D for Grasshopper
Published 2023-12-01“…This way, multiple design options can be investigated once the parametric geometry is prepared, and the digital wind tunnel is set.…”
Get full text
Article -
1543
Local correlations for flap gap oscillatory blowing active flow control technology
Published 2010-09-01“…Active technology for oscillatory blowing in the flap gap has been tested at INCAS subsonic wind tunnel in order to evaluate this technology for usage in high lift systems with active flow control. …”
Get full text
Article -
1544
Wind Design of Tall Buildings: The State of the Art
Published 2022-05-01“…The latest in wind analysis tools and techniques is also presented. Wind tunnel testing remains the gold standard for determining wind loads on tall buildings, while the emerging use of computational fluid dynamics (CFD) is noted as being particularly useful for concept design stages. …”
Get full text
Article -
1545
Research and Test of X-wing Flapping-wing Mechanism Based on the Crank Slider Mechanism
Published 2023-01-01“…A prototype of the flapping-wing mechanism is made, and the motion test of the flapping-wing mechanism is carried out using an optical motion capture system and a wind tunnel. The reliability of the flapping-wing mechanism is analyzed from the flapping angle amplitude, the flapping frequency, the lift generated, and the operating condition of the motor. …”
Get full text
Article -
1546
-
1547
Large-eddy simulation of plume dispersion under various thermally stratified boundary layers
Published 2014-07-01“…We first proposed an efficient method to generate spatially-developing, thermally-stratified boundary layers and examined the usefulness of our approach by comparing to wind tunnel experimental data for various thermal boundary layers. …”
Get full text
Article -
1548
Online identification of aerodynamics with fast time‐varying features using Kalman filter
Published 2021-01-01“…Simulation studies according to the wind tunnel test data show that the proposed method can effectively track the fast time‐varying features and estimate the aerodynamic coefficients with high accuracy.…”
Get full text
Article -
1549
Experimental Investigation of Aerodynamic Characteristics of NACA 23015 under different angles of attack and Comparison with Available Package
Published 2009-01-01“…A Model of wing section of type (NACA 23015) had been built to be investigated andstudy the aerodynamic characteristics in a subsonic wind tunnel at different angles ofattack in order to calculate the aerodynamic coefficients such as lift, drag, moment andpressure coefficients. …”
Get full text
Article -
1550
Determination of Pressure Coefficient for a High-Rise Building with Atypical Ground Plan
Published 2018-12-01“…In this article, the results of pressure coefficient on the atypical object obtained by experimental measurements in a boundary layer wind tunnel (BLWT) of Slovak University of Technology in Bratislava (STU) and computational fluid dynamics simulation (CFD) are presented. …”
Get full text
Article -
1551
The Effect of Eaves Types to Wind Pressures on 45° Pitched Gable Roofs
Published 2016-03-01“…The experiments were carried out in an atmospheric boundary layer that is modeled in the wind tunnel. Atmospheric boundary layer was simulated with combination of barrier, elliptic vortex generators and elements of roughness and a 150 mm height boundary layer was formed at 15 m/s wind velocity. …”
Get full text
Article -
1552
Review of the Co-flow Jet Flow Control Method
Published 2022-12-01“…The co-flow jet(CFJ)is a new concept flow control method based on blowing and suction technology.Since it was proposed,it has gradually attracted extensive attention.This paper reviews the basic principles,concepts,research methods and progress of CFJ.The development of the CFJ concept is retrospected.The basic principle,wind tunnel experiment and numerical simulation are introduced.The application research on airfoils/wings,control surfaces,rotating blades and conceptual aircraft design are presented.Finally,five problems in the research of the CFJare proposed,including the air source of CFJ,3D and dynamic CFJresearch,torque problems caused by CFJ control,aerodynamic/structural integration design and installation of CFJ,and power consumption of CFJ,which provide reference for further CFJresearch.…”
Get full text
Article -
1553
Wind Loading on Tall Buildings
Published 2007-01-01“…This paper provides an outline of advanced levels of wind design, in the context of the Australian Wind Code, and illustrates the exceptional benefits it offers over simplified approaches. Wind tunnel testing, which has the potential benefits of further refinement in deriving design wind loading and its effects on tall buildings, is also emphasized. …”
Get full text
Article -
1554
Is a baseball like knuckleball possible in cricket?
Published 2023-01-01“…Force measurement experiments in a wind tunnel on a new cricket ball in various orientations of the seam to the incoming flow and at different Reynolds number are carried out. …”
Get full text
Article -
1555
Flutter analysis of tapered composite fins: Analysis and experiment
Published 2022-01-01“…Experimental work is performed in the subsonic wind tunnel at flow speeds of 20 - 30 m/s range. Good agreement between experimental, analytical, and numerical results is obtained, and it was concluded that the presented methodology could be used for estimating the flutter boundary velocities for the composite thin flat plates.…”
Get full text
Article -
1556
STUDI EKSPERIMENTAL PERBANDINGAN ALIRAN MELINTASI DUA SILINDER SIRKULAR DAN SILINDER ELIPS TERSUSUN TANDEM DAN INTERAKSINYA TERHADAP DINDING DATAR
Published 2012-04-01“…Fluid flow characteristics investigated experimentally on open loop wind tunnel. The experimental results are used to explain flow interaction phenomenoum which is resulted coefficient pressure distribution (Cp) on the cylinder, on the flat wall and velocity distribution on the upstream and downstream. …”
Get full text
Article -
1557
Ammonia Emissions from Cattle Manure under Variable Moisture Exchange between the Manure and the Environment
Published 2023-06-01“…Using the mass flow method in the wind tunnel, after research on seven types of cattle manure with different moisture contents, it was found that ammonia evaporates up to 3.9 times more intensively from liquid manure than from solid manure. …”
Get full text
Article -
1558
Review of the Study on High-angle-of-attack Flight Problems of Aircraft
Published 2022-06-01“…The close combat in air battle is still inevitable in future.The accurate and agile nose-pointing capability at high-angle-of-attack is still essential and significant for fighter to survive and gain air superiority.According to the high-angle-of-attack flight characteristics of fighter at home and abroad,the high-angle-of-attack aerodynamic,wind tunnel experiments method,aerodynamic modeling method,nonlinear flight dynamics analysis method,high-angle-of-attack control law design and flight test are reviewed.The research direction of high-angle-of-attack flight in the future is prospected.…”
Get full text
Article -
1559
Flow Control and High-Lift Performance for Flying-Wing Unmanned Combat Air Vehicle Configurations by inserting slots
Published 2016-06-01“…The computational results are validated against experiment measured in a wind tunnel. Two flying-wing planforms are considered based around a generic 40˚ edge-aligned configuration. …”
Get full text
Article -
1560
Thrust Vector Observation for Force Feedback-Controlled UAVs
Published 2022-02-01“…The paper describes the required measurement electronics as well as the implementation of a dedicated testbed that allows the evaluation of mid-flight force measurements. Wind-tunnel tests show that the presented method for active thrust vector determination is able to quantify the disturbances due to the incoming air flow.…”
Get full text
Article