The Theories and Practice of Centrifugal Ventilating MachinesE. & F. N. Spon, 1883 - 81 sider |
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Side iii
... gives particulars and a drawing of a mechanical ventilator for mines , driven by water - power , and at the Hartz mines , nearly 200 years ago , another , somewhat similar to the Struve , was in operation . In the year 1849 , Mr ...
... gives particulars and a drawing of a mechanical ventilator for mines , driven by water - power , and at the Hartz mines , nearly 200 years ago , another , somewhat similar to the Struve , was in operation . In the year 1849 , Mr ...
Side v
... give a perfect mastery over them , and then when seeking to know which is the best ventilator , they will at least ... gives when acting on a closed space , and which INTRODUCTION . A.
... give a perfect mastery over them , and then when seeking to know which is the best ventilator , they will at least ... gives when acting on a closed space , and which INTRODUCTION . A.
Side vi
Daniel Murgue A. L. Steavenson. gives when acting on a closed space , and which approaches the theoretical limit in proportion to the perfection of the ventilator . Fifth , That this depression gradually varies and lowers according to ...
Daniel Murgue A. L. Steavenson. gives when acting on a closed space , and which approaches the theoretical limit in proportion to the perfection of the ventilator . Fifth , That this depression gradually varies and lowers according to ...
Side vii
... give a depression as great as the largest Guibal , but it would be useless to ventilate a mine - its orifice of passage is insufficient . To obtain this in any case we must refer to his theory of initial and effective depressions ( p ...
... give a depression as great as the largest Guibal , but it would be useless to ventilate a mine - its orifice of passage is insufficient . To obtain this in any case we must refer to his theory of initial and effective depressions ( p ...
Side 2
... give in thin seams a feeble result , but for thick seams otherwise . All their characteristics are in complete opposition to those of the well- known volumogen ventilators . I shall apply at every step in the course of the discussion ...
... give in thin seams a feeble result , but for thick seams otherwise . All their characteristics are in complete opposition to those of the well- known volumogen ventilators . I shall apply at every step in the course of the discussion ...
Andre utgaver - Vis alle
The Theories and Practice of Centrifugal Ventilating Machines Daniel Murgue Uten tilgangsbegrensning - 1883 |
The Theories and Practice of Centrifugal Ventilating Machines Daniel Murgue Uten tilgangsbegrensning - 1883 |
The Theories And Practice Of Centrifugal Ventilating Machines, Tr. And With ... Daniel Murgue Ingen forhåndsvisning tilgjengelig - 2019 |
Vanlige uttrykk og setninger
abscissæ applied Assoc Bessèges Cabany calculation centrifugal force cloth Coal Gas Colliery Commission of Gard Construction covered ventilators Crachet and Picquery Créal crown 8vo curve depression H deprimogen ventilator Devillez direct impulsion Ditto Ditto drawing effective depression equation equivalent orifice évasée chimney experiments expression exterior circumference Fcap figs formula Frameries frictions given Glepin Grand Hornu Guibal chimney Guibal ventilator helicoidal increase initial depression Inst Isometric Projection Jean Bart Lalle Lewis Thompson Machinery manometrical result manometrical yield Manufacture motive power Murgue observations obtain orifice of passage ouïe P. L. SIMMONDS passive resistances plates Practical Treatise proportion radius royal 32mo Second edition Shaft speed of rotation Spons square straight line Tables tangential speed theoretical depression Third edition THOMAS BOX Ventilation of Mines ventilator of Bessèges ventilators by direct ventilators with centrifugal vis viva volume of air volume yielded volumogen ventilator water gauge width
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