Talk:Drag (physics)

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Caption required

The image showing relative amounts of form drag and skin friction needs a caption. How do I add one? Thanks. Pieter1963 (talk) 22:10, 21 July 2021 (UTC)[reply]

I have made it this far. Perhaps you can fine-tune it further. Dolphin (t) 14:00, 23 July 2021 (UTC)[reply]

I couldn't make it work so added separate text. Cheers. Pieter1963 (talk) 22:38, 24 July 2021 (UTC)[reply]

Base drag

The article stated "base drag, (aerodynamics) a pressure drag due to flow separation at the base of a projectile[15] or termination of an aircraft fuselage with a flat area, such as is noticeable on the BAE Systems Hawk.". However, according to Doug McLean in "Understanding Aerodynamics: Arguing from the Real Physics" pp 210-211, base drag is not distinct from form drag. "The problem with the term 'base drag,' however, is that it has no defensible definition. Here are three logically possible candidates I know of, along with the reasons why they don't work... So it seems that defining base drag in a rigorous quantitative way is hopeless. And without a workable definition, 'base drag' seems questionable, even just as a concept."

I have removed the offending sentence. cagliost (talk) 10:28, 25 May 2022 (UTC)[reply]

Stokes flow drag coefficient unit.

I calculate the unit to be kg/s; please confirm and add to the article. Michael Hodgson (talk) 05:26, 7 June 2022 (UTC)[reply]

Coefficients of all kinds are, in my experience, dimensionless. The drag coefficient is sometimes described as “dimensionless drag”. Can you explain how you have calculated the drag coefficient to be in units of kg/s? Dolphin (t) 10:33, 7 June 2022 (UTC)[reply]

Wiki Education assignment: Technical and Professional Writing

This article was the subject of a Wiki Education Foundation-supported course assignment, between 17 January 2024 and 7 May 2024. Further details are available on the course page. Student editor(s): Eelaraa (article contribs).

— Assignment last updated by Eaturvegeez (talk) 19:07, 10 February 2024 (UTC)[reply]

Shape and flow	Form Drag	Skin friction
	~0%	~100%
	~10%	~90%
	~90%	~10%
	~100%	~0%
Your caption goes	here	& here