Results 31 to 40 of about 1,379,431 (362)

Supersonic and transonic Mach probe for calibration control in the Trisonic Wind Tunnel [PDF]

open access: yesINCAS Bulletin, 2017
A supersonic and high speed transonic Pitot Prandtl is described as it can be implemented in the Trisonic Wind Tunnel for calibration and verification of Mach number precision. A new calculation method for arbitrary precision Mach numbers is proposed and
Alexandru Marius PANAIT
doaj   +1 more source

SHAPE OPTIMIZATION OF SUPERSONIC WIND TUNNEL DIFFUSER USING GENETIC ALGORITHM [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
Wind tunnel, as an experimental laboratory, has many applications nowadays. Installation of wind tunnel is very expensive, so designers try to reduce wind tunnel’s installation and test costs by optimizing the design of various components of the wind ...
مرتضی Javadpour   +2 more
doaj   +1 more source

Wind tunnel experiments on wind turbine wakes in yaw: effects of inflow turbulence and shear

open access: yesWind Energy Science, 2018
. The wake characteristics behind a yawed model wind turbine exposed to different customized inflow conditions are investigated. Laser Doppler anemometry is used to measure the wake flow in two planes at x∕D = 3 and x∕D = 6, while the turbine yaw angle ...
J. Bartl   +6 more
semanticscholar   +1 more source

Influence of heat transfer on MHD flow in a pipe with expanding or contracting permeable wall

open access: yesAin Shams Engineering Journal, 2014
The present study investigates the effects of heat transfer on MHD laminar viscous flow in a pipe with expanding or contracting permeable wall. The pipe wall expands or contracts uniformly at a time dependent rate.
S. Srinivas   +3 more
doaj   +1 more source

Design, construction and commissioning of the Braunschweig Icing Wind Tunnel

open access: yesAtmospheric Measurement Techniques, 2017
. Beyond its physical importance in both fundamental and climate research, atmospheric icing is considered as a severe operational condition in many engineering applications like aviation, electrical power transmission and wind-energy production.
S. Bansmer   +9 more
semanticscholar   +1 more source

Advances and applications of wind engineering in exceptional terrain

open access: yesJournal of Traffic and Transportation Engineering (English ed. Online)
Wind engineering has made significant strides in addressing the challenges posed by exceptional terrains, where traditional methodologies often fall short.
Jiawu Li   +8 more
doaj   +1 more source

A New Algorithm on Automatic Trimming for Helicopter Rotor Aerodynamic Loads

open access: yesAerospace, 2023
In order to simulate the flight state of the helicopter effectively, it is necessary to trim the helicopter during the forward flight in a wind tunnel test.
Xinfan Yin   +5 more
doaj   +1 more source

A general model for analysis of linear and hyperbolic enzyme inhibition mechanisms

open access: yesFEBS Open Bio, EarlyView.
We developed a general enzyme kinetic model that integrates these six basic inhibition mechanism onto a single one. From this model, we deduced a general enzyme kinetic equation that through modulation of simple parameters, γ (the relative inhibitor affinity for two binding sites) and β (the reactivity of the enzyme–substrate–inhibitor complex), is ...
Rafael S. Chagas, Sandro R. Marana
wiley   +1 more source

Extreme wind-induced roof cladding failure: A fragility analysis for nuclear power plant structures

open access: yesNuclear Engineering and Technology
This study addresses the wind fragility of roof cladding systems in nuclear power plant turbine buildings, which are highly vulnerable to extreme wind events due to their lightweight construction.
Canh-Hoang Phan   +3 more
doaj   +1 more source

Framing Failures in Wood-Frame Hip Roofs under Extreme Wind Loads

open access: yesFrontiers in Built Environment, 2018
Wood-frame residential roof failures are among the most common and expensive types of wind damage. Hip roofs are commonly understood to be more resilient during extreme wind in relation to gable roofs.
Sarah A. Stevenson   +2 more
doaj   +1 more source

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