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Topic: Form drag

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	Parasitic drag - Wikipedia, the free encyclopedia
		Form drag, profile drag, or pressure drag, arises because of the form of the object.
		Form drag follows the drag equation, meaning that it rises with the square of speed, and thus becomes more important for high speed aircraft.
		Interference drag is also create by closely spaced parallel surfaces such as the wings of a biplane or triplane, or the facing surfaces of an external load (such as an external fuel tank or weapon) and the fuselage or wing.
	en.wikipedia.org /wiki/Form_drag (560 words)

	Drag
		The drag force is computed using the coefficient of drag, the fluid density, the projected area of the body or the surface area of the body oriented perpendicular to the fluid flow, and is the relative velocity of the body with respect to the fluid.
		Form drag is always one component of the drag on a body moving relative to a fluid.
		Several factors affect the magnitude of form drag, including the relative velocity of the body with respect to the fluid, the magnitude of the pressure gradient between the front and rear ends of the body, and the size of the surface area that is aligned perpendicular to the flow.
	www.columbia.edu /ccnmtl/draft/soup/inst_web/drag.html (2141 words)

	Drag (physics) - Wikipedia, the free encyclopedia
		For a solid object moving through a fluid or gas, the drag is the sum of all the aerodynamic or hydrodynamic forces in the direction of the external fluid flow.
		Beyond these two kinds of drag there is a third kind of drag, called wave drag, that occurs when the solid object is moving through the fluid at or near the speed of sound in that fluid.
		The overall drag of an object is characterized by a dimensionless number called the drag coefficient, and is calculated using the drag equation.
	en.wikipedia.org /wiki/Drag_(physics) (1164 words)

	What is Drag?
		Drag is generated by the difference in velocity between the solid object and the fluid.
		Drag is a force and is therefore a vector quantity having both a magnitude and a direction.
		The component of the aerodynamic force that is opposed to the motion is the drag; the component perpendicular to the motion is the lift.
	www.grc.nasa.gov /WWW/K-12/airplane/drag1.html (775 words)

	Drag
		Form or pressure drag is caused by the air that is flowing over the aircraft or airfoil.
		Since this drag is due to the shape, or form of the aircraft, it is also called form drag.
		Because skin friction drag is an interaction between a solid (the airplane surface) and a gas (the air), the magnitude of skin friction drag depends on the properties of both the solid and the gas.
	www.centennialofflight.gov /essay/Theories_of_Flight/drag/TH4.htm (1272 words)

	Textbook (Site not responding. Last check: 2007-10-31)
		Drag is the fourth of the major forces of flight.
		To minimize friction drag on an aircraft all the sheets of metal on the wing join smoothly, and even the rivets are rounded over and as flush with the surface as possible.
		Induced drag or drag due to lift is a small amount of excess (lift) force generated in the opposite direction of the lift force along a wing.
	wings.avkids.com /Tennis/Book/drag-01.html (692 words)

	Drag - level 3
		Since drag is a force directly opposed to the motion of the airfoil and, as the work of overcoming it is performed by the engine, it is desirable to have it as small as possible, to afford the engine to be more efficient.
		Form drag refers to the drag created by the form or shape of a body as it resists motion through the air.
		The drag on the downgoing aileron is known as aileron drag and if not corrected for in the design of the aileron, tends to cause a yaw in the opposite direction to which the bank is applied.
	www.allstar.fiu.edu /aero/drag3.htm (1627 words)

	The Drag Equation
		Drag depends on the density of the air, the square of the velocity, the air's viscosity and compressibility, the size and shape of the body, and the body's inclination to the flow.
		The drag equation states that drag D is equal to the drag coefficient Cd times the density r times half of the velocity V squared times the reference area A.
		Determining the value of the drag coefficient is more difficult than determining the lift coefficient because of the multiple sources of drag.
	www.grc.nasa.gov /WWW/K-12/airplane/drageq.html (536 words)

	Pilot's Web The Aviators' Journal - More About Lift and Drag (Site not responding. Last check: 2007-10-31)
		To minimize the parasite drag it is desired to design in airfoil shape all aircraft parts such as struts, wheel fairing, etc. The two major contributors to parasite drag are the form drag and the skin-friction drag.
		The shape, or form of objects being exposed to airflow determines the magnitude of drag.
		The form drag results from the applied pressure on moving objects and depends largely on the generation of wake.
	www.pilotsweb.com /principle/liftdrag.htm (1511 words)

	Boeing Community and Education Relations \| Forces of Flight \| Drag
		Drag is the force of resistance caused by air or liquid pressure.
		Drag can even pull an object apart if it is not designed to withstand the force of drag.
		One source of drag is friction created by the movement of air or liquid as it crosses the surface of an object.
	www.boeing.com /companyoffices/aboutus/community/fof_drag.html (280 words)

	NOVA Online \| Fast Cars \| Hot Science: Lift and Drag \| Glossary
		Drag is a force which acts on any moving object, resisting the forward motion of that object.
		Friction drag acts on the surface of an object, in the layer of air that immediately surrounds it.
		Induced drag only affects object with lift--that is, objects that have the ability to lift off the ground.
	www.pbs.org /wgbh/nova/hotscience/fastcars/draggloss.html (155 words)

	75-80 Dragway Go Racing! (Site not responding. Last check: 2007-10-31)
		Drag Racing League is a multifaceted program designed to afford youth of 8 years of age to 16, the opportunity to race against their peers in near replicas of the models that the pros drive.
		Drag Racing is restricted to competition structure is designed to be conducted on an E.T. dial your own format, and that is how it is done at 75- 80 Dragway and everyone has an equal chance to win.
		This League was formed to give children between the ages of 8 and 17 a chance to experience drag racing in a safe and supervised environment.
	www.7580dragway.com /goracing.htm (1460 words)

	Drag and Drop Sample Walkthrough (Site not responding. Last check: 2007-10-31)
		Once the controls are placed on the form, we need to make sure that pressing the search button will trigger the proper response in the file dialog so that the end user can look for an AVI file on their system.
		When it is pushed down, we will need to trigger a drag and drop event to the system so that the all the text in the edit control can be passed onto another drop target.
		These lines of code trigger a drag and drop event, passing it the selected text in the edit control as well as the directive to support all drag and drop effects.
	msdn.microsoft.com /visualj/technical/tutorial/dragdrop/default.asp (1642 words)

	Torry's Delphi Pages
		The TDragDrop component can drag items from a Listbox to a StringGrid or Listbox, simply by a register of the source and destination components on the form in the draganddrop properties (could move or copy items).
		As well as just adding files, if you drag a folder it will add the files within the folder as well, and if thats not enough, it will add the files in all the subfolders of that folder.
		When dragging is started from a source, all controls, which can accept this drag source becomes blinking.
	homepages.borland.com /torry/draganddrop.htm (635 words)

	AMS Glossary
		At very low speeds, most of the drag exerted by the air on a body moving through it is due to viscous drag (or skin friction) acting through a fairly thin boundary layer.
		For higher speeds, so-called form drag or pressure drag arises as a result of separation of the laminar boundary layer creating a wake region of chaotic flow in which the pressure is reduced.
		In general, for large Reynolds numbers, form drag is far more significant than viscous drag.
	amsglossary.allenpress.com /glossary/search?id=drag1 (240 words)

	Data Form Class : Using the Data Form Class
		To create a new widget representation, drag the column onto the Data Form and release the mouse button when the Data Form's region is the NOTE color.
		After you create a widget inside of the Data Form, drag a column and release the mouse button when the region border of a widget inside the Data Form is the NOTE color.
		Once a widget is cut or copied to the Form Buffer, it remains in the buffer until you either replace the contents of the buffer, by cutting or copying another widget, or end your SAS session.
	www.okstate.edu /sas/v7/sashtml/books/afcomref/z0390670.htm (4571 words)

	Form Drag Paper Abstract (Site not responding. Last check: 2007-10-31)
		Airflow over two-dimensional sinusoidal mesoscale topography is studied using simulations from a numerical model, with an eye toward quantification of the net effect on the large scale flow.
		The vertical distribution of drag, due to gravity wave breaking at various altitudes, is briefly discussed.
		Separate analytic arguments are used in each regime, and together they provide a prediction of form drag over a wide range of parameter space.
	www.cora.nwra.com /~orlando/formdrag-abstract.html (217 words)

	Command Form event
		events, if the form event property is not selected for a given event, this does not prevent calls to object methods for the objects whose same event property is selected.
		event, the object method for an object is executed in the context of the process of the drag and drop source object, not in the context of the process of the drag and drop destination object.
		The benefit of disabling events in the Design environment (using the Property List of the Form editor) is that you can greatly reduce the number of calls to methods and therefore significantly optimize the execution speed of your forms.
	www.4d.com /ACIDOC/CMU/CMU00388.HTM (3735 words)

	ACC2000: How to Set the Opening Position of a Form on the Screen
		If you open a form, drag it to a new position on the screen, and then close it, when you reopen the form, it will appear in the same position where it was before you dragged it.
		When you close the form and reopen it, it will open in that position on the screen.
		When you want the form to open in a new position on the screen, repeat steps 5 through 7.
	support.microsoft.com /?kbid=208299 (229 words)

	Basics of Drag Racing: E.T. Racing Explained
		In basic terms, a drag race is an acceleration contest from a standing start between two vehicles over a measured distance at a specifically designed drag race facility.
		With this system, virtually any two vehicles can be paired in a competitive drag race.
		For Example: Car A has ben timed a 17.78, 17.74, and 17.76 seconds for the quarter-mile, and the driver feels that a "dial-in" of 17.75 is appropriate.
	www.nhra.com /basics (535 words)

	How To Drag a Form by a Child Control
		Using the SendMessage API, you can achieve this effect by dragging a control on the form and the form will move with the control.
		Note that if you drag the Command button on the screen, the whole form will move with it.
		You could remove the Title bar by adjusting the Control box, Caption, and Borderstyle properties of the form and the form can still be dragged by the control.
	support.microsoft.com /default.aspx?scid=kb;en-us;154006 (246 words)

	Web Form Processing without CGI / Form Mail Scripts - FormBreeze.com
		This lets you insure that the required fields in your web form are filled in and that things like email addresses and phone numbers are formatted correctly.
		If you do decide to stay with the service after your free trial, the cost is just a flat $7.95 per month for up to 3 forms or $19.95 per month for up to 10 forms.
		Sends personalized autoresponder messages back to the visitor who filled out your web form (for example, you can address your visitor by the name he or she enters in your form).
	www.formbreeze.com (536 words)

	Drag a form without clicking the caption bar (Site not responding. Last check: 2007-10-31)
		Drag a form without clicking the caption bar - by Borland Staff
		A: The easiest way to do this is to "fool" Windows into thinking that you're actually clicking on the caption bar of a form.
		TIP: If you want a captioness borderless window similar to a floating toolbar, set the Form's Caption to an empty string, disable all of the BorderIcons, and set the BorderStyle to bsNone.
	community.borland.com /article/0,1410,15605,00.html (177 words)

	Drag and Dock a Form to the Screen
		More information: Code to drag a form with mouse.
		This code works when you drag the form by clicking down on it's active area, not on its title bar.
		'Form declaration section Dim Xs As Integer 'Change in X Dim Ys As Integer 'Change in Y Dim IsBeingDragged As Boolean 'Flag if the form is being dragged Dim DockScale As Integer 'Scale by which the form docks itself to screen
	www.freevbcode.com /ShowCode.Asp?ID=5329 (135 words)

	Wearable article for athlete with vortex generators to reduce form drag (US5887280)
		Wearable article for athlete with vortex generators to reduce form drag
		A drag reduction arrangement for the body of an athlete moving through a fluid medium, comprises a device attachable to the athlete's body for delaying the onset of boundary layer separation at a trailing surface thereof The device preferably comprises an array of vortex generators.
		As a result, form drag is reduced by an amount which is substantially greater than any increase in skin friction due to the presence of the vortices.
	www.delphion.com /details?pn=US05887280__ (229 words)

	The fundamental understanding and determination of drag is key to Yacht Design
		The fundamental understanding and determination of drag is key to Yacht Design
		Give a big thanks to Chris for providing a great piece of info for all of us.
		Friction drag is the simplest to evaluate. It is more convenient to separate total friction drag into hull friction drag, keel friction drag, rudder friction drag, etc The friction drag of each component can then be determined using an empirical formula, called the ITTC Friction Line. Using only wetted length, speed and water viscosity (i.e.
	www.sailinganarchy.com /YD/2003/whatadrag.htm (149 words)

	Forum :: View topic - Drag a form (Site not responding. Last check: 2007-10-31)
		I have removed the contorl title bar from my form.
		I have put a usercontrol there instead of that.
		Now when i drag it the form should move accordingly.
	forums.c-sharpcorner.com /F_ShowMessages.aspx?ThreadID=25513&PostID=1 (55 words)

	Deluxe Form for Drag Palace
		Just fill the information below to be part of DRAG PALACE.
		Be sure to fill all the information or your listing will have empty spaces.
		Eligible to enter the Drag Palace Drag Show contests and win Drag Palace's Queen of the Year.
	www.dragpalace.com /deluxe-form.tpl (161 words)

	Find in a Library: A physically based model of the form drag associated with sastrugi
		Find in a Library: A physically based model of the form drag associated with sastrugi
		A physically based model of the form drag associated with sastrugi
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	worldcatlibraries.org /wcpa/ow/aff77a3babfab4d4a19afeb4da09e526.html (116 words)

	CodeArchive - Visual Basic > Form Related
		Simple way to drag a form without a ControlBox.
		This is a very simple program.Its teaches the meaning of several Traffic sign with drag and drop event.
		This program shows you how to resize the form with out any border.
	www.codearchive.com /list.php?go=0209 (273 words)

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