The Theories and Practice of Centrifugal Ventilating MachinesE. & F. N. Spon, 1883 - 81 sider |
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Side 10
... speed of rotation . The result , w R , expresses the absolute speed of the extremities of the vanes . This speed plays a preponderating rôle in all this discussion . I will call it the tangential speed , and I will mark it by the letter ...
... speed of rotation . The result , w R , expresses the absolute speed of the extremities of the vanes . This speed plays a preponderating rôle in all this discussion . I will call it the tangential speed , and I will mark it by the letter ...
Side 11
... speed - 0 V2 2g Second , the air once drawn between these vanes has a double movement , the movement relative to the dragging after the surface of the vanes , and the movement of drawing produced by the rotation of the machine , but ...
... speed - 0 V2 2g Second , the air once drawn between these vanes has a double movement , the movement relative to the dragging after the surface of the vanes , and the movement of drawing produced by the rotation of the machine , but ...
Side 14
... speed of rotation , we increase at the same time the passive resistance of the machine and its motor , and that which we gain on one side we lose on the other . Such is certainly the principal if not the only cause of results so little ...
... speed of rotation , we increase at the same time the passive resistance of the machine and its motor , and that which we gain on one side we lose on the other . Such is certainly the principal if not the only cause of results so little ...
Side 21
... speed u is equal to the product w R of the angular speed by the radius , the two preceding formulæ immediately show the two well - known laws : -First , The volume yielded varies as the speed of rotation . Second , The depression varies ...
... speed u is equal to the product w R of the angular speed by the radius , the two preceding formulæ immediately show the two well - known laws : -First , The volume yielded varies as the speed of rotation . Second , The depression varies ...
Side 24
... speed of rotation . No one to- day will dispute that the volume is proportionate to the speed of rotation and the depression to its square . All the published experiments up to this time put these facts clearly ; and for my part I have ...
... speed of rotation . No one to- day will dispute that the volume is proportionate to the speed of rotation and the depression to its square . All the published experiments up to this time put these facts clearly ; and for my part I have ...
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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
action applied arrangement Authors average becomes calculation cause centrifugal force chimney circumference cloth Colliery Commission constant Construction CONTENTS cover crown 8vo curve depression determine Devillez diameter direct Ditto Ditto Ditto drawing drawn edition effect effective depression Engineers equal equation equivalent orifice establish experiments expression exterior feet figs forms formula frictions give given Guibal illustrations important inches inclination increase indicator initial depression Inst less machine Machinery Manufacture measure mechanical method Mines motive power natural numerous observations obtain orifice of passage ouïe perfect plates Practical Practical Treatise preceding present pressure produced proportion Public quantity radius reduced remains Remarks resistance result rotation Royal seams Second edition Shaft simple square Steam straight sufficient Tables taking tangential speed term theoretical depression theory thin tion turning vanes ventilator volume yield
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