Mechanical World and Engineering Record, Volume 90Emmott and Company, 1931 - Mechanical engineering |
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Page 10
... maximum volume the increase is about 25 % . It also increases the power coefficient by 1 or 2 % over most of the range , and the efficiency at maximum volume from 42 % to about 53 % . On comparing Fig . 11 with Fig . 9 it is seen that ...
... maximum volume the increase is about 25 % . It also increases the power coefficient by 1 or 2 % over most of the range , and the efficiency at maximum volume from 42 % to about 53 % . On comparing Fig . 11 with Fig . 9 it is seen that ...
Page 123
... maximum efficiency . The radial tip fan has a lower efficiency , and the point for practical parallel operation is moved from the point of maximum efficiency . However , the flat efficiency curve makes it practicable to work with ...
... maximum efficiency . The radial tip fan has a lower efficiency , and the point for practical parallel operation is moved from the point of maximum efficiency . However , the flat efficiency curve makes it practicable to work with ...
Page 146
... maximum of 600 to over 2000 lb. per sq . in . Fig . 4 . E F in different types . Reversal of the direction of flow is produced in the gear - pump outfits by means of a reversing valve . The piston or vane pumps have their direction of ...
... maximum of 600 to over 2000 lb. per sq . in . Fig . 4 . E F in different types . Reversal of the direction of flow is produced in the gear - pump outfits by means of a reversing valve . The piston or vane pumps have their direction of ...
Contents
Editorial | 27 |
Modern Cast Iron | 34 |
Engineering and Shipbuilding Progress 253 | 35 |
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