The Dynamics of Mechanical Flight: Lectures Delivered at the Imperial College of Science and Technology, March, 1910 and 1911Constable, 1912 - 121 Seiten Lærebogsagtig redegørelse for teori og beregninger vedr. aerodynamik og flyvning. |
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Seite 41
... couple only tending to turn the cylinder broad- side to the current , arising from excess of pressure near the two opposite branch points . The magnitude of the couple on an elliptic cylinder in THRUST AND CENTRE OF PRESSURE 41.
... couple only tending to turn the cylinder broad- side to the current , arising from excess of pressure near the two opposite branch points . The magnitude of the couple on an elliptic cylinder in THRUST AND CENTRE OF PRESSURE 41.
Seite 42
... couple on an elliptic cylinder in found to Q2 be sin 2a times the weight of the column of liquid with a 2g circular base on a diameter joining the foci . B S A A ' is B 7 FIG . 15 . The couple is shown experimentally by letting a card ...
... couple on an elliptic cylinder in found to Q2 be sin 2a times the weight of the column of liquid with a 2g circular base on a diameter joining the foci . B S A A ' is B 7 FIG . 15 . The couple is shown experimentally by letting a card ...
Seite 43
... couple N1 = OF . OD , acting on the medium , against the clock , OD being the perpendicular on O'F " . The medium reacts on the body with an equal and opposite impulse couple N1 , tending to set it broadside ; and if t seconds is the ...
... couple N1 = OF . OD , acting on the medium , against the clock , OD being the perpendicular on O'F " . The medium reacts on the body with an equal and opposite impulse couple N1 , tending to set it broadside ; and if t seconds is the ...
Seite 44
... couple ( 57 ) UV N = ( Cac1 ) W " ft - lb , g and this is the expression found in Hydrodynamics . For an elliptic cylinder , as in the diagram ( Fig . 17 ) , it is found by theory that ( 58 ) b a C1 -9 = C2 = a b and for a length ft in ...
... couple ( 57 ) UV N = ( Cac1 ) W " ft - lb , g and this is the expression found in Hydrodynamics . For an elliptic cylinder , as in the diagram ( Fig . 17 ) , it is found by theory that ( 58 ) b a C1 -9 = C2 = a b and for a length ft in ...
Seite 74
... couple , as in Statics , by its axis is thus required also , the couple due here to the preponderance , first moment , or leverage of gravity ; the notion , too , and determination of moment of inertia ( M.I. ) or second moment . In the ...
... couple , as in Statics , by its axis is thus required also , the couple due here to the preponderance , first moment , or leverage of gravity ; the notion , too , and determination of moment of inertia ( M.I. ) or second moment . In the ...
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