The Theories and Practice of Centrifugal Ventilating MachinesE. & F. N. Spon, 1883 - 81 sider |
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Side iv
... constant contention ; every fresh invention being introduced as at least 10 per cent . better than anything which preceded it . Numberless experiments have been made by private individuals and committees to ascertain the truth of these ...
... constant contention ; every fresh invention being introduced as at least 10 per cent . better than anything which preceded it . Numberless experiments have been made by private individuals and committees to ascertain the truth of these ...
Side ix
... constants are found . The average of the various experiments should be taken . Little more need be added , but a short reference to the remarks on the effect of the natural ventilation of the mine upon such investigations , given in the ...
... constants are found . The average of the various experiments should be taken . Little more need be added , but a short reference to the remarks on the effect of the natural ventilation of the mine upon such investigations , given in the ...
Side 2
... constant , but the volume drawn . This difference of action between the two classes of machines presents itself with sufficient clearness . We shall show shortly how to replace the word " volume " by the word " depression , " and ...
... constant , but the volume drawn . This difference of action between the two classes of machines presents itself with sufficient clearness . We shall show shortly how to replace the word " volume " by the word " depression , " and ...
Side 6
... constant volume of air , equal to that which it affords when working freely on the atmosphere . In reality the volume obtained is always less than the theoretic volume , because of the unavoidable play of the joints of the machine ...
... constant volume of air , equal to that which it affords when working freely on the atmosphere . In reality the volume obtained is always less than the theoretic volume , because of the unavoidable play of the joints of the machine ...
Side 8
... constant when we do away with the friction of the air . We know that in the volumogen ventilator the mechanical combinations which give place to the volume engendered , differ absolutely in one machine from those in 8 THE THEORIES AND ...
... constant when we do away with the friction of the air . We know that in the volumogen ventilator the mechanical combinations which give place to the volume engendered , differ absolutely in one machine from those in 8 THE THEORIES AND ...
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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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