...J C INGLIS; S J REED; M ROBINSON; SIR W WHITE; H A B COLE; C H WINGFIELD; H M MARTIN; R M PARSONS; C H WINGFIELD; W J HARDING © Thomas Telford and ICE 1909 DESIGN MARINE STEAM TURBINES SUPERHEATING BLADES VESSELS SHIPS ENGINES LUBRICATION BOILERS 23 Discussion...

...S J REED © Thomas Telford and ICE 1909 DESIGN MARINE STEAM ENGINES TURBINES EFFICIENCY LOSS EXPANSION BLADES SUPERHEATING ROTORS BLOCKS SHIPS PROPELLERS THE INSTITUTION OF C I V I L E N G I N EERS. SESSION 1908-1909.-PART 111. SECT1MINUTES O F PROCEEDINGS. 16 February, 1909...

... of 275 * 5 l3.Th.U. for the whole machine, an amount which was equivalent to 9a lbs. of water per indicated horse-power- hour. Yet the blade-heights had all been calculated on the basis of 15 lbs. of steam per shafthorse-power-hour-say 144 lbs. per I.HP.- hourT. oassumeonefigurefordeterminingblade...

...., Assoc. M. Inst. C.E. THEexperiments recorded in the Paper have recently been made by the Authorsupon several of the best known varietieosf fans in me, and had for theirobject :- (1) To determine the best shape of the fan-blade and fan-case, i n order to secure a minimum expenditureof power when...

...BOULVIN; A R BROWN; D MURGUE; M PAUL; A RATEAU; A L STEAVENSON; H HEENAN; W GILBERT © Thomas Telford and ICE 1896 DESIGN TESTS FANS CENTRIFUGAL EFFICIENCY AIR BLADES PRESSURE COMPRESSION EXPERIMENTS VENTILATORS COLLIERIES MINES VENTILATION PLANT CURVES ANEMOMETERS...

...SIR B BAKER; R C PARSONS; J IMRAY; B DONKIN; C H WINGFIELD; W SCHONHEYDER; J BERNAYS; J G LAWN; S H TERRY; W B CRICHTON; W G WALKER; J JEFFREYS; J PLATT; H HEENAN; W GILBERT © Thomas Telford and ICE 1896 DESIGN TESTS FANS CENTRIFUGAL EFFICIENCY BLADES AIR VELOCITY SHOCKS...

... reason to suppose that one fixed relation of pitch t o diameter is better than any other ; and still less, that a great improvement can be effected by adopting a particular form of blade. On the other hand, it is certainthatthe flat blades referred t o by Griffiths, not perhaps quite seriously, form...

... REVOLUTIONS ACTION WATER FRICTION COEFFICIENTS BLADES NEGATIVE SLIP Proceedings.J DISCUSSION ON TEE SCREW-PROPELLER. 93 Discussion, Mr. R. EDMUNFDROUDsaEid thatthe subjecttreated inthe M P . Froude. Paper was a w r y intricate one, and the Author had given a comprehensiveandcompletereview...

..., by making numerous experiments, at length determined that the efficiency mainly depended upon the form of the blades in the fan, and, further, that the best form was a curved blade pointing in the opposite direction to that in which the fan revolved (Plate 6, Pig. l). Two other forms of fan which he tried...

... WHEELS CHAMBERS POWER BLADES SHAFTS IRRIGATION CENTRIFUGAL PUMPS. 41 Mr. WILFRID AIRYobserved, withregardtotheterm spiral angle used throughout his Paper, that in Fig. 2, A B C was a spiral line drawn on the cylindrical core ; B D was a tangent to Pig. 2. ...

... BLADES SLIP SURFACES MOTION 232 THE SCREW-PROPELLER. Mr. W. FROUDreEmarked, throughthe Secretary, thathefelt great hesitation in offering what would be regarded as an adverse criticism of an elaborate theoretical discussion embodied in technical mathemahics, presented by a writer whose command...

...SIR F C KNOWLES © Thomas Telford and ICE 1871 SCREWS PROPELLERS ARCHIMEDEAN HELIX POWER PROPULSION BLADES SHIPS MARINE ENGINES EFFICIENCY RESISTANCE VELOCITY EQUATIONS FLUIDS WATER DYNAMICS SLIP SURFACES MOTION THE SCREW-PROPELLER. 219 April 18, 1871. CHARLES B...

...R BRIGGS © Thomas Telford and ICE 1870 FANS ROTARY PROPORTIONS CONDITIONS LIMITS VANES AIR VENTILATION BLADES FORCES VELOCITY SHAPE PRESSURE DISCHARGES SHAFTS LAWS FLOW CIRCULATION 276 ROTARY FANS. May 17, 1870. CHARLES B. VIGNOLEP, F.R.S., President, in the Chair...

...R BRIGGS; E A COWPER; HAWKSLEY; BRAMWELL; G C GREENWELL; SIR C FOX; C B VIGNOLES; W C UNWIN © Thomas Telford and ICE 1870 FANS ROTARY PROPORTIONS CONDITIONS LIMITS AIR VENTILATION VELOCITY PRESSURE LAWS FLOW CIRCULATION VANES BLADES ROTARY FANS. 297 Mr. R. BRIGGSsaid...

... IRON VESSELS STEAM STEAMSHIPS STEAMERS BLADES PITCH METALS CORROSION 72 Mr. G. Rennie. That the action of the screw across the way of the vessel, did not appear to affect the steering, or have the slightest tendency to turn the head of the vessel. The author is of opinion, that engineers...