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Qaagi - Book of Why

Causes

Effects

a stationary cylinder(passive) created byvortex shedding

a right - circular cylindercausingvortex shedding

ZIPC Fluid flow through the tubecausesvortex shedding

The fluid flow past the arm from the forward edge to the rear edge ... substantially laminarto preventvortex shedding

orderto preventthe vortex shedding

the fluid forcesresultingfrom vortex shedding

the façade uniformitycan leadto vortex shedding

breaking instabilityleadingto vortex shedding

This absolute instabilitycausesvortex shedding

the underlying instabilityleadingto vortex shedding

bluff body in the channel ( Re100(passive) caused byvortex shedding

the surface current(passive) caused bythe vortex shedding

laminar flow over the air foil section 43whereby to preventvortex shedding

unsteadiness ... an asymmetric disturbanceto triggervortex - shedding

rise ... complex mechanismsresultedin vortex shedding

the critical wind speedcan triggervortex shedding

wind loads on buildings(passive) caused bythe vortex shedding

the fluctuating fluid dynamic pressureresultingfrom the vortex shedding

Solar structure ... modulesleadsto vortex shedding

Two topological structures of the bubblecausingvortex shedding

when a fluid flows past a blunt object(passive) is causedVortex shedding

a flowing medium as it passes a bluff body and splits into two paths(passive) caused byvortex shedding

A gentle wind perpendicular to a cablemay causevortex - shedding

a slotted wind fence ... orientedto substantially preventvortex shedding

modifying the trailing edge geometryto preventthe vortex shedding

an alternative embodiment of baffles and steady fluid flow(passive) created byvortex shedding

the increasing wind impact at higher elevations(passive) caused byvortex shedding

the impact of a steady near - bottom current(passive) caused byvortex shedding

The reflections of shed shockwaves from an adjacent blade ( or other walloriginatingfrom transonic vortex shedding

the structural wind response ... the critical wind directionswould causevortex shedding

A non - rotating fairing subjected to a cross - currentmay resultin vortex shedding

the initially two - dimensional recirculation bubble ... the spanwise directioncan triggervortex shedding

a steady wind of only 40 mph!Ian MacLachlanThe writer(passive) caused byvortex - shedding forces

several rows of short cylinders ( height - to - diameter ratio¼1 ... wall effectsinfluencethe vortex shedding

purely due to current , which may vary across the depth of the sea(passive) is causedThe vortex shedding

when a fluid flows past the object creating alternating low - pressure vortices on the downstream side of the object(passive) is causedVortex shedding

fluid passing over the missile or aircraft and separating on one - side of the missile or aircraft prior to separation on the other ( or to a greater extent(passive) is caused byAsymmetric vortex shedding

vortices behind a solid bodyoriginatedfrom vortex shedding

shear layer instabilities(passive) caused byvortex shedding

excessive turbulent viscositypreventsvortex shedding

structure vibration(passive) caused bystructure vibration

an object vibration(passive) influenced byan object vibration

pressure oscillations(passive) caused bypressure oscillations

vibration amplitudes(passive) caused byvibration amplitudes

Blade vibration(passive) caused byBlade vibration

resonant vibration(passive) caused byresonant vibration

the dynamic vibration(passive) caused bythe dynamic vibration

cable vibration(passive) caused bycable vibration

to noise / vibration problemsleadsto noise / vibration problems

Resonant vibrations(passive) caused byResonant vibrations

the stack vibrations(passive) caused bythe stack vibrations

experiences vibrations(passive) caused byexperiences vibrations

bending and vibrations(passive) caused bybending and vibrations

lock - in vibrations(passive) caused bylock - in vibrations

oscillatory forces which induce structural vibrations Heave Motion z(tcausesoscillatory forces which induce structural vibrations Heave Motion z(t

to excessive thrust oscillations and motor vibrationscan leadto excessive thrust oscillations and motor vibrations

the alternating pressure fluctuations(passive) created bythe alternating pressure fluctuations

vibration and even damagecan causevibration and even damage

a lot of vibration on the concretecausinga lot of vibration on the concrete

Second mode vibration(passive) caused bySecond mode vibration

unacceptable vibration in towerscausesunacceptable vibration in towers

harmful thermowell vibrationscan causeharmful thermowell vibrations

The maximum vibration amplitude of the stacks(passive) caused byThe maximum vibration amplitude of the stacks

the whistle noise(passive) caused bythe whistle noise

to separation of delay , drag reduction , and reduction of vibration and noisecan successfully leadto separation of delay , drag reduction , and reduction of vibration and noise

generating pressure pulsation(passive) caused bygenerating pressure pulsation

a vibration of said first optical fibercausinga vibration of said first optical fiber

a significant low frequency vibration movement(passive) caused bya significant low frequency vibration movement

a slight vibration at anchor in light windscausesa slight vibration at anchor in light winds

Inglenook Blog whistle sound and vibration(passive) caused byInglenook Blog whistle sound and vibration

in element oscillations at certain wind speedswill resultin element oscillations at certain wind speeds

problems in the design shown in Figure 3.1can causeproblems in the design shown in Figure 3.1

efficiency VIV Solutions Inc. Vibration insubsea risers(passive) caused byefficiency VIV Solutions Inc. Vibration insubsea risers

the alternating differential pressure signals(passive) created bythe alternating differential pressure signals

transverse aerodynamic loads and consequent transverse oscillationscausestransverse aerodynamic loads and consequent transverse oscillations

to decreasing the unsteady forces acting on the bodyleadsto decreasing the unsteady forces acting on the body

cycles of alternating pressure on a fixed object in the wakecreatescycles of alternating pressure on a fixed object in the wake

unwanted structural motion known as “ flow - induced vibrationmay causeunwanted structural motion known as “ flow - induced vibration

the collapse of three towers at Ferrybridge power station in 1965 during high windscausedthe collapse of three towers at Ferrybridge power station in 1965 during high winds

to the Vortex - Induced - Vibration ( VIV ) which is an important source of fatigue damage of pipeline in free spanning sectionsleadsto the Vortex - Induced - Vibration ( VIV ) which is an important source of fatigue damage of pipeline in free spanning sections

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