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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. "
An Introduction to the Theory and Practice of Mechanics: In Five Books ... - 264. oldal
szerző: William Marrat - 1810 - 455 oldal
Teljes nézet - Információ erről a könyvről

An Experimental Enquiry Concerning the Natural Powers of Water and Wind to ...

John Smeaton - 1760 - 77 oldal
...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....

Ferguson's Lectures on Select Subjects in Mechanics, Hydrostatics ...

James Ferguson, Sir David Brewster - 1806 - 2 oldal
...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,...

A Treatise of Mechanics: Theoretical, Practical, and Descriptive, 1. kötet

Olinthus Gregory - 1806
...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,...

The Philosophical Transactions of the Royal Society of London from Their ...

Charles Hutton, Royal Society (Great Britain), Richard Pearson - 1809
...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...

The Miscellaneous Papers of John Smeaton, Civil Engineer, &c. F.R.S ...

John Smeaton - 1814 - 208 oldal
...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...

A Treatise of Mechanics, Theoretical, Practical, and Descriptive, 2. kötet

Olinthus Gregory - 1815 - 58 oldal
...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...

A Treatise of Mechanics, Theoretical, Practical, and Descriptive, 2. kötet

Olinthus Gregory - 1815 - 58 oldal
...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...

Encyclopaedia Perthensis; Or Universal Dictionary of the Arts ..., 14. kötet

1816
...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; or, Universal dictionary of Knowledge ..., 14. kötet

Encyclopaedia Perthensis - 1816
...--:.•;••::'; 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...

Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., 13. kötet

1823
...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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