The Steam Engine for Practical Men: Containing a Theoretical Investigation of the Various Rules Given in the Work, and Several Useful Tablesauthors, 1854 - 240 pages |
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Page 1
... force of the steam or gas will vary in the inverse ratio of the volume it is made to occupy . B G E F Thus , let A B C D be a cylinder , EF and A HG any two positions of the piston , then the pressure in the position EF is H to the ...
... force of the steam or gas will vary in the inverse ratio of the volume it is made to occupy . B G E F Thus , let A B C D be a cylinder , EF and A HG any two positions of the piston , then the pressure in the position EF is H to the ...
Page 42
... force of the balls should be capable of regulating the supply of steam through the throttle - valve , when the velocity becomes greater than that with which the engine moves when doing its usual ( I work , so as to bring the engine back ...
... force of the balls should be capable of regulating the supply of steam through the throttle - valve , when the velocity becomes greater than that with which the engine moves when doing its usual ( I work , so as to bring the engine back ...
Page 43
... force to act perpendicularly on the crank all the way round , as twice the diameter of the circle is to the circum- ference ; in consequence of which , many practical men have considered that there is a corresponding loss of power STEAM ...
... force to act perpendicularly on the crank all the way round , as twice the diameter of the circle is to the circum- ference ; in consequence of which , many practical men have considered that there is a corresponding loss of power STEAM ...
Page 46
... force of the steam is diminished before it reaches the cylinder , by the smallness of the apertures of the steam pipes through which it has to pass . This diminution is likewise more frequently produced by the evaporating power of the ...
... force of the steam is diminished before it reaches the cylinder , by the smallness of the apertures of the steam pipes through which it has to pass . This diminution is likewise more frequently produced by the evaporating power of the ...
Page 47
... force the steam through the steam passages with the re- quisite velocity ; and , consequently , the pressure on the piston will be nearly equal to that in the boiler . But if the velocity of the engine is such that the number of ...
... force the steam through the steam passages with the re- quisite velocity ; and , consequently , the pressure on the piston will be nearly equal to that in the boiler . But if the velocity of the engine is such that the number of ...
Autres éditions - Tout afficher
The Steam Engine for Practical Men: Containing a Theoretical Investigation ... James Hann Affichage du livre entier - 1854 |
The Steam Engine for Practical Men: Containing a Theoretical Investigation ... James Hann,Placido Gener,Justo Gener Aucun aperçu disponible - 2016 |
The Steam Engine for Practical Men: Containing a Theoretical Investigation ... James Hann Aucun aperçu disponible - 2017 |
Expressions et termes fréquents
angle angular velocity arc BB atmosphere beam boiler breadth burst centre of pressure condensation Cornish engines crank cube cubic foot cylinder cylinders-full depth diameter distance ditto ditto divide eccentric effect equal equation evaporation exhaustion expansion experiments explosion Fahrenheit fly-wheel friction Front Stroke given gives greater hence horse power horse-power increase kilogramme lead length lever load log h Logarithm maximum mean radius motion move multiplied nearly number of revolutions number of strokes Pambour parabola parallel piston quantity of heat quotient radius rod resistance revolutions per minute rule Rule.-Multiply screw single strokes slide specific heat spheroidal square inch stame steam dome steam engines steam is cut steam port steam-jacket strokes per minute suppose surface temperature tion valve vapour versed sine vertical paddle vessel vis viva volume of steam weight whole
Fréquemment cités
Page 239 - A PRIMER OF THE ART OF ILLUMINATION. For the Use of Beginners ; with a Rudimentary Treatise on the Art, Practical Directions for its Exercise, and Examples taken from Illuminated MSS., printed in Gold and Colours.
Page 238 - THE EMBROIDERER'S BOOK OF DESIGN. Containing Initials, Emblems, Cyphers, Monograms, Ornamental Borders, Ecclesiastical Devices, Mediaeval and Modern Alphabets, and National Emblems. Collected by F. DELAMOTTE, and printed in Colours. Oblong royal 8vo, is.
Page 239 - Inst. CE, and M. Inst. ME Third Edition, Revised and much improved, with 115 Double Plates (20 of which now first appear in this edition), and numerous Additions to the Text. In Two Vols., Imp.
Page 240 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.