. The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics . 20 80 40° 60Anple of inclirhifioh fo air current Pressure on Inclined Rectangular Plates(Finzi and Soldati). Soreau has given tlie following formula for the pi-essurc onrectangular plates inr-lined to a r-urrent of air : — Pa I ~-h 1 + 1 -1)1 tan a 2m ( I -1- VI)- 1 + ill tan a f2 tan- a Where ^H~-, 2/ ))(>ing tlu horizontal side of the rectangle, and Hi tlic inclined side. It vvill be seen that for a sc^uare plate this formula red
. The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics . 20 80 40° 60Anple of inclirhifioh fo air current Pressure on Inclined Rectangular Plates(Finzi and Soldati). Soreau has given tlie following formula for the pi-essurc onrectangular plates inr-lined to a r-urrent of air : — Pa I ~-h 1 + 1 -1)1 tan a 2m ( I -1- VI)- 1 + ill tan a f2 tan- a Where ^H~-, 2/ ))(>ing tlu horizontal side of the rectangle, and Hi tlic inclined side. It vvill be seen that for a sc^uare plate this formula reduces t> ,—-=—iJLfL. wliich is identical with Duchemins 1 + sin- (c DIV. l] PRESSURE ON INCLINED SURFACES 21 Distribution of Pressure on Inclined Plates.—Stanton gives thefollowing cui\ e^~. showing tlie pressure on the front and the suctionon the back of a plate 3 by 1 in. inclined end on to a current of pressures are measured at the median line of the plate. Plate inclinedat 60^ Plate inclinedat 30. Plate inclinedat 45^
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectaeronautics, bookyear
