A Treatise On Practical And Theoretical Mine Ventilation
A Treatise On Practical And Theoretical Mine Ventilation
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In our eReader you can find the full English version of the book. Read A Treatise On Practical And Theoretical Mine Ventilation Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Treatise On Practical And Theoretical Mine Ventilation
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To quickly assess the difficulty of the text, read a short excerpt:
What amount of air will circulate when the current is split into two, three, four, and five equal divisions, the pressure remaining constant?
The effect of splitting into two, three, four, and five equal air-courses will be to double, treble, etc. , the areas without altering the rubbing-surface, because the area after splitting is two, three, etc. , times that of the ori- ginal airway, although the rubbing-surface remains the same ; and as the quantity may be found by the formula (x) 9 we may ...substitute the values of the symbols, and find the quantities of the various splits under consideration.
31. MINE VENTILATION. 81 Since, however, in the above formula, p, &, and s remain constant, and a varies, we may simplify the work by eliminating them, and use ^a X a = q, which corre- sponds to one of our former laws ; viz. , " that the rela- tive quantities will be according to the square root of the area multiplied by the area, and then multiplied by the original quantity flowing through the mine.
What to read after A Treatise On Practical And Theoretical Mine Ventilation?
You can find similar books in the "Read Also" column, or choose other free books by E B Eugene Benjamin Wilson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
What amount of air will circulate when the current is split into two, three, four, and five equal divisions, the pressure remaining constant?
The effect of splitting into two, three, four, and five equal air-courses will be to double, treble, etc. , the areas without altering the rubbing-surface, because the area after splitting is two, three, etc. , times that of the ori- ginal airway, although the rubbing-surface remains the same ; and as the quantity may be found by the formula (x) 9 we may ...substitute the values of the symbols, and find the quantities of the various splits under consideration.
31. MINE VENTILATION. 81 Since, however, in the above formula, p, &, and s remain constant, and a varies, we may simplify the work by eliminating them, and use ^a X a = q, which corre- sponds to one of our former laws ; viz. , " that the rela- tive quantities will be according to the square root of the area multiplied by the area, and then multiplied by the original quantity flowing through the mine.
What to read after A Treatise On Practical And Theoretical Mine Ventilation?
You can find similar books in the "Read Also" column, or choose other free books by E B Eugene Benjamin Wilson to read onlineMoreLess
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