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Topic: Coriolis force



  
 "Getting Around The Coriolis Force" - Revised Nov 15, 2000
The Coriolis effect is a force in the first sense, but not in the second sense: nothing is actually pushing or pulling on anything, the acceleration is due to the fact that the observer is moving in a circle.
From this point on, the Coriolis effect will not be directly called a force, even though that's how it's normally characterized.
Thanks to the readers of the Usenet newsgroups alt.fan.cecil-adams and misc.education.science for asking the questions which inspired the author to devise an explanation for the Coriolis effect.
http://www.physics.ohio-state.edu/~dvandom/Edu/newcor.html   (2564 words)

  
 Bad Coriolis FAQ
1) the Coriolis force only operates on objects traveling in a north-south direction (indeed, I have seen web pages which offer this false claim); and
The proof of this is found in the inability of the Coriolis force to do any work.
It is correct that the Coriolis force causes a moving object to experience a force to the right (left) of its path in the northern (southern) hemisphere.
http://www.ems.psu.edu/~fraser/Bad/BadFAQ/BadCoriolisFAQ.html   (2581 words)

  
 Inwit Publishing, Inc. and Inwit, LLC -- Writings, Links and Software Demonstrations - The Coriolis Force
This brings us at last to the Coriolis force.
The Coriolis force is the only fictitious force which is dependent on the motion of the body with respect to the non-inertial frame.
The same book also shows how Coriolis deflections can be viewed as an attempt by a particle to pursue a (very truncated) elliptical orbit around the earth (pp.
http://www.algorithm.com/inwit/writings/coriolisforce.html   (4137 words)

  
 Force de Coriolis - Wikipédia
Cette force est appelée force de Coriolis en l'honneur de l'ingénieur français Gaspard-Gustave Coriolis.
C'est dans son article Sur les équations du mouvement relatif des systèmes de corps (1835) que Coriolis dériva mathématiquement la force qui devait porter son nom.
Persson, Anders, 1998: How Do We Understand the Coriolis Force?
http://fr.wikipedia.org/wiki/Force_de_Coriolis   (991 words)

  
 Does water go down the drain counterclockwise in the northern hemisphere and clockwise in the southern hemisphere? (Everyday Mysteries: Fun Science Facts from the Library of Congress)
Coriolis Force - Included in this Web site, from the University of Illinois at Urbana-Champaign, is an explanation of the Coriolis Force and a video demonstrating the Force.
This Web site provides animated models of how the Coriolis Force works.
The Coriolis force is too weak to operate on the moving air at the equator.
http://www.loc.gov/rr/scitech/mysteries/coriolis.html   (496 words)

  
 Coriolis Force: an artifact of the earth's rotation
This apparent deflection is called the "Coriolis force" and is a result of the earth's rotation.
Coriolis Force: an artifact of the earth's rotation
As air moves from high to low pressure in the northern hemisphere, it is deflected to the right by the Coriolis force.
http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/crls.rxml   (195 words)

  
 Bad Coriolis
The Coriolis force is so tiny that it cannot cause the rotation in the faker’s draining pan; indeed at only ten meters to either side of the equator, it is so tiny that it could influence neither the carefully performed experiment (described above) nor the large scale motions of weather systems.
The Coriolis force is so small, that it plays no role in determining the direction of rotation of a draining sink anymore than it does the direction of a spinning CD.
The rotation of the Earth does influence the direction of rotation of large weather systems and large vortices in the oceans, for these are very long-lived phenomena and so allow the very weak Coriolis force to produce a significant effect, with time.
http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html   (2704 words)

  
 lectures 5&6 - Coriolis force & geostrophy
It is this force that is called the Coriolis Force.
To find the geostrophic wind set these two forces equal and remember that the Coriolis force acts to the right (left in S.H.) of the parcel’s motion:
These two components of the Coriolis force are combined through a vector addition of the forces to give the resultant total Coriolis force.
http://www.uea.ac.uk/~e930/e174/l5_geos.html   (766 words)

  
 Coriolis Force Lesson Plan
Check out our links for more information on the Coriolis force and its relationship to us on Earth, and then go on to Questions and Activities to see how to use digital video and the Motion tools to have students learn about the Coriolis Force.
To allow students to visualize the coriolis force, to examine footage of a running Coriolis model, and to have them make explicit what they are observing.
The Coriolis force is a concept explaining why winds on the Earth go east to west.
http://archive.ncsa.uiuc.edu/Cyberia/DVE/FusionDVE/html/coriolis_force_lesson_plan.html   (400 words)

  
 Urban Legends Reference Pages: Science (Flush Bosh)
The belief that the Coriolis force influences the direction in which water drains from plumbing fixtures is widespread and has been repeated as fact in a number of venues, including popular television shows (such as world traveler Michael Palin's Pole to Pole) and even in textbooks.
The twisting effect of the Coriolis force is real and does influence certain large things like the movement of air masses, but the effect is so small that it plays no role in determining the direction in which water rotates as it exits from a draining sink or toilet.
The configuration of taps and drains is responsible for the direction of spin given to water draining from sinks and bathtubs to a degree that overwhelms the slight influence of the Coriolis force.
http://www.snopes.com/science/coriolis.htm   (507 words)

  
 Geography4Kids.com: Atmosphere: Coriolis Force
The air is able to accelerate and move faster, and as anything goes faster in the atmosphere, the Coriolis Force has a greater force on it.
The combination of the air moving from high to low pressure PLUS the Coriolis Force starts a spiral (like a hurricane spinning) set of winds.
The Coriolis Force causes a lot of that swirling action.
http://geography4kids.com/files/atm_coriolis.html   (461 words)

  
 Coriolis Force
The coriolis force is a term found in the acceleration of a point in its most general form.
Other Explanations :Possible alternatives to Coriolis Force and rotation
Vector Analysis : Determination of direction of Coriolis Force
http://helix.gatech.edu/Classes/ME3760/1998Q3/Projects/Fortgang   (84 words)

  
 Hurricanes and the Equator
If it crossed the Coriolis force would be working against the initial direction of the spin, but it would be dominated by what we call the relative vorticity of the storm.
The Coriolis force is what we call an apparent force - it handles the problem that the earth is spinning and thus a point on the globe is always changing direction or always accelerating.
People argue that the Coriolis force is too weak there to get air to rotate around a low pressure rather than flow from high to low pressure, which it does initially.
http://www.soest.hawaii.edu/GG/ASK/hurricanes.html   (411 words)

  
 Rotating Space Station Dynamics
This appears to the thrower that the ball has move sideways due to the 'strange' coriolis force.
The Coriolis Force is not a real force in the sense that it is a result of any action by another body or field.
The coriolis force is always perpendicular the the direction of motion (velocity) of the ball and the axis of rotation of the station.
http://www.go.ednet.ns.ca/~larry/physics/coriolis.html   (1219 words)

  
 Consequences of Rotation for Weather
This fact means that projectiles moving across the Earth's surface are subject to Coriolis forces that cause apparent deflection of the motion.
This is a consequence of the Coriolis force, as illustrated for the Northern hemisphere in the following figure.
The Coriolis force deflects to the right in the Northern hemisphere and to the left in the Southern hemisphere when viewed along the line of motion.
http://csep10.phys.utk.edu/astr161/lect/earth/coriolis.html   (680 words)

  
 Links - Coriolis
Coriolis Misconceptions - Describes misconceptions about the Coriolis force.
Coriolis Lecture Notes - Class lecture notes describing the Coriolis force.
Coriolis Explanation - Text and graphics describing the Coriolis force.
http://page.ucar.edu/pub/education_res/presearch/met/coriolis.htm   (81 words)

  
 Newton's 2nd Law & Coriolis force
To him, there is no Coriolis force acting on the ball.
* Coriolis force also referred to as an
Newton's 2nd Law & Coriolis force - Lecture 23
http://classes.atmos.uiuc.edu/100C/Atmos100/day23.html   (596 words)

  
 Re: Coriolis via In-form ?
This is because the "meteorological" coriolis force acts predominantly on the horizontal velocities.
For the definition of the "meteorological" coriolis force in inform you will first have to use a flow solver module that uses cartesian velocity components unless your grid is uniform.
It somewhat depends on whether you want the "meteorological" coriolis force or the "technical" coriolis force.
http://www.cfd-online.com/Forum/phoenics.cgi?read=2397   (156 words)

  
 The nature of coriolis forces
The Coriolis force, which is perpendicular everywhere to the outwardly radial velocity, gives rise to a circulation opposite in sense to the rotation of the frame.
6.9 shows the nature of the Coriolis force.
The Coriolis force on an outward radial flow in a rotating frame, viewed from above.
http://astron.berkeley.edu/~jrg/ay202/node67.html   (507 words)

  
 Technorati Tag: coriolis
As stated in our earlier report about the Coriolis Force in Australia we couldn't find out in which direction the water runs down the sink in...
This page shows blog posts, photos, and links that have been tagged coriolis.
In which direction does the water run down th...
http://www.technorati.com/tag/coriolis   (255 words)

  
 spacetoday.net: Titan 2 launches Coriolis spacecraft
Coriolis is a military research spacecraft that carries a Navy instrument for measuring ocean surface wind conditions and an Air Force imager that would provide advance notice of geomagnetic storms caused by solar activity.
The Titan 2 lifted off from Vandenberg Air Force Base, California at 9:19 am EST (1419 GMT); its payload, the Coriolis spacecraft, separated from the booster's upper stage 59 minutes later after entering a Sun-synchronous orbit.
A US Air Force Titan 2 successfully launched a military research satellite early Monday after five previous launch attempts were scrubbed.
http://www.spacetoday.net/Summary/1395   (190 words)

  
 Effektkoefficienten
This apparent bending force is known as the Coriolis force.
On the next page we shall see how the Coriolis force affects the wind directions on the globe.
(Named after the French mathematician Gustave Gaspard Coriolis 1792-1843).
http://www.windpower.org/en/tour/wres/coriolis.htm   (284 words)

  
 Coriolis effect - Wikipedia, the free encyclopedia
Nonetheless many people find it lacking as a "physical explanation" and seek another way to "understand" the Coriolis force.
The effect is named after Gaspard-Gustave Coriolis, a French scientist, who discussed it in 1835, though the mathematics appeared in the tidal equations of Laplace in 1778.
If the turntable is flat, then the centrifugal force, which always acts outwards from the rotation axis, would lead to objects being forced out off the edge.
http://en.wikipedia.org/wiki/Coriolis_effect   (2570 words)

  
 Discovery Online, The Skinny On ... Why Toilet Bowl Water Twirls Clockwise
Coriolis isn't even a real force, since it doesn't make anything speed up or slow down -- it only explains why things appear to speed or slow as the world spins out from under them.
This sort of impostor is known as a fictitious force.
There's no painless way to explain how Coriolis works, though, so gird your intellectual loins for a small war.
http://www.discovery.com/area/skinnyon/skinnyon970523/skinny1.html   (852 words)

  
 Phenomena Cross Reference - CORIOLIS EFFECT
This fictitious sideways force is called the Coriolis force.
If this object moves towards or away from the axis it will seem to be pushed to the side due to the difference in speed between its original position and its new position.
To see its effects on a plaground merru-go-round, press the button below.
http://www.exploratorium.org/xref/phenomena/coriolis_effect.html   (98 words)

  
 Coriolis Effect on Future Ships
So, for example, astronauts should be able to adapt to a variable Coriolis effect in spite of some constant background force, such as the steady push of a spacecraft's ion-propulsion thrusters.
Now then, my point is simply that we don’t know the true effects of coriolis cross-coupling in a large radius habitat operating in a micro gravity environment.
You could rotate the same facility to simulate Lunar gravity at a lower rpm to study the reduced coriolis effect.
http://uplink.space.com/printthread.php?Cat=&Board=businesstech&main=15018&type=thread   (7274 words)

  
 Spaceflight Now | Titan Launch Report | Coriolis launched to track ocean winds, solar storms
Coriolis was the largest craft launched by the Titan satellite launchers, which have all flown successfully since 1988.
Coriolis - General overview of the satellite and its two instruments.
Originally slated for December 15, the launch from California's Vandenberg Air Force Base was scrubbed four straight days last year by persistent bad weather, a concern with the system used to deploy the satellite from the rocket and a software issue with the spacecraft.
http://www.spaceflightnow.com/titan/g4   (1136 words)

  
 eFunda: Introduction to Coriolis Flowmeters
On the outlet side, the Coriolis force has the opposite direction.
Coriolis flowmeters are relatively new compared to other flowmeters.
Please also note that the vibration of Coriolis flowmeters has very samll amplitude, usually less than 2.5 mm (0.1 in), and the frequency is near the natural frequency of the device, usually around 80 Hz.
http://www.efunda.com/designstandards/sensors/flowmeters/flowmeter_cor.cfm   (662 words)

  
 CORIOLIS EFFECT - Definition
[n] (physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation; on Earth the Coriolis effect deflects moving bodies to the right in the Northern Hemisphere and to the left in the Southern Hemisphere
http://www.hyperdictionary.com/dictionary/Coriolis+effect   (54 words)

  
 Forces in the Atmosphere, Page 8 of 11
Some of the untruths deal with what the Coriolis force actually is, some deal with demonstrations of how the Coriolis force works, some deal with how the Coriolis force acts on an air parcel, and some deal with what the Coriolis force does to things like a draining bathtub.
Since what we call the "centrifugal force" is the acceleration associated with the rotation of the Earth itself, the other part of the centrifugal force gets folded in with the Coriolis force.
This is true partly because the Coriolis force is so difficult to detect, and it certainly can't be "felt" by the human body.
http://www.met.tamu.edu/class/ATMO151/tut/force/forces98r1.html   (544 words)

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