Blowdown wind tunnel control using an adaptive fuzzy PI controller [PDF]
The paper presents an approach towards the control of a supersonic blowdown wind tunnel plant (as evidenced by experimental data collected from “INCAS Supersonic Blowdown Wind Tunnel”) using a PI type controller.
Corneliu Andrei NAE
doaj +2 more sources
Selection criteria of optimal conditions for supersonic tests in a blowdown wind tunnel [PDF]
A natural desire of a wind tunnel test engineer is to plan and perform a test that will resemble the actual flight conditions as closely as possible. Geometric similarity and identical flight and wind tunnel Mach numbers are the primary requirements and ...
Damljanović Dijana, Vuković Đorđe
doaj +3 more sources
OPTIMIZED CONTROLLER DESIGN FOR A BLOWDOWN SUPERSONIC WIND TUNNEL BY USING GENETIC ALGORITHM [PDF]
Blowdown Supersonic Wind Tunnels (SWTs) are generally operated with a constant stagnation pressure in the settling chamber, with control usually provided by one or more pressure regulators or control valves. In this paper, first, a Simulink block diagram
Mehradad Bazazzadeh +3 more
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Thermal effects influencing measurements in a supersonic blowdown wind tunnel
During a supersonic run of a blowdown wind tunnel, temperature of air in the test section drops which can affect planned measurements. Adverse thermal effects include variations of the Mach and Reynolds numbers, variation of airspeed, condensation of moisture on the model, change of characteristics of the instrumentation in the model, et ...
Dijana Damljanović
exaly +2 more sources
Supersonic blowdown wind tunnel control using ABC optimized PID controller
Supersonic blowdown wind tunnels enable the testing of aircraft prototypes in the Mach 1.2 to 5 range, but these tunnels allow very limited test times due to their structure.
Kıymet Nihal Nur Taş +5 more
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Wind tunnel verification of base-bleed effects on aerodynamic characteristics of an axi-symmetric projectile [PDF]
Experimental verification of base-bleed effects on aerodynamic characteristics for the supersonic flight stages was requested during the development of an axi-symmetric projectile.
Damljanović Dijana +3 more
doaj +1 more source
Mode Switching in a Compressible Rectangular Cavity Flow
This study determines the mean and fluctuating pressures for flow through a rectangular shallow cavity (ratio between the length and the depth = 2.43, 4.43, and 6.14; ratio between the length and the width = 0.5, 1.0, and 2.0) at a Mach number of 0.64 in
Yi-Xuan Huang, Kung-Ming Chung
doaj +1 more source
INCAS TRISONIC WIND TUNNEL [PDF]
The 1.2 m x 1.2 m Trisonic Blowdown Wind Tunnel is the largest of the experimental facilities at the National Institute for Aerospace Research - I.N.C.A.S. "Elie Carafoli", Bucharest, Romania.
Florin MUNTEANU
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Numerical and Experimental Validation of a Supersonic Mixing Layer Facility
The design of a supersonic-supersonic mixing layer facility was motivated by the need for a benchmark experimental platform to study the physical phenomena underlying supersonic mixing layers.
Yudong Li +4 more
doaj +1 more source
Flow Characterization at Heated Air Supersonic Facility SBR-50
The supersonic wind tunnel facility SBR-50 at the University of Notre Dame was built in 2015 for experimental research related to shock wave (SW) interactions with obstacles and boundary layers (BL) as well as supersonic combustion and a plasma-based ...
Philip Andrews +4 more
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