 | John Smeaton - 1760 - عدد الصفحات: 96
...2dly, When the velocity of the wind is double, the eff'ecJs 'will be nearly as 10:2 j± : But, $dly, When the velocities compared, are more than double of that where the given lead produces a maximum, the effeSts increafe nearly in a Jimple rati<o cf the velocity of the wind.... | |
 | James Ferguson, David Brewster - 1806 - عدد الصفحات: 532
...2d'y, When the velocity of the wind is double, the effects will be nearly as 10 to 27-f ; but, 3d1/, When the velocities compared are more than double...produces a maximum, the effects increase nearly in the simple ratio of velocity of the wind. Maxim 6. In sails where the figure and position are similar,... | |
 | Olinthus Gregory - 1806 - عدد الصفحات: 590
...velocities : but when the velocity of the wind is double, the effects will be nearly as 10 to 27^ ; and when the velocities compared are more than double...where: the given load produces a maximum, the effects increafe nearly In a fimple ratio of the velocity of the wind. Hence our author concludes, that windmills,... | |
 | Royal Society (Great Britain) - 1809 - عدد الصفحات: 778
...2dly, When the velocity of the wind is double, the effects will be nearly as IO : 271 '• but, 3dly, When th*e velocities compared, are more than double...nearly in a simple ratio of the velocity of the wind. V. On the Effects of Sails of Different Magnitudes: (he structure and position being similar, and the... | |
 | John Smeaton - 1814 - عدد الصفحات: 276
...sdly, When the velocity of the wind is double, the effects will be nearly as 10 : 27 \ : But, 3dly, When the velocities compared, are more than double...where the given load produces a maximum, the effects increafe nearly in a fimple ratio of the velocity of the wind. It has already been proved, maxim ift... | |
 | Olinthus Gregory - 1815 - عدد الصفحات: 632
...velocities : but when the velocity of the swind is double, the effects will be nearly as 10 to 27 J ; and when the velocities compared are more than. double...&c. lose much of their effect by acting against one invariable opposition. (15.) In sails of a similar figure and position, the number of turns in a given... | |
 | Olinthus Gregory - 1815 - عدد الصفحات: 582
...compared are more than double of that where the given load produces a maximum, the effects mcrease nearly in a simple ratio of the velocity of the wind....such as the different species for draining water, 8tc. lose much of their effect by acting against one invariable opposition. ..tj (15.) In sails of... | |
 | 1816 - عدد الصفحات: 762
...velocities; but when the velocity of the wind is double, the effects will be nearly as so to 17! ; and when the velocities compared are more than double...that where the given load produces a maximum, the effedls increafe nearly in a limple ratio of the velocity of the wind. Hence our author concludes,... | |
 | Encyclopaedia Perthensis - 1816 - عدد الصفحات: 748
...--:.•;••::'; and '.viicn the velocities compared are be equal to AB ; and the perpendicular NK— B more than double of that where the given load produces a maximum, the effects increafc nearly ui a !iinp!c ratio of the velocity of the wind, 1 Icnce uur author concludes, that... | |
 | 1823 - عدد الصفحات: 876
...2dly, When the velocity of the wind is double, the effects will be nearly as ю : 275-: But, 3dly, When the velocities compared are more than double...produces a maximum, the effects increase nearly in the simple ratio of the velocity of the wind. Maxim 6. In sails where the figure and positions are... | |
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... when the velocities compared are more than double of that where the given load produces a maximum, the effects increase nearly in a simple ratio of the velocity of the wind. 
