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 19
... of the link which connects them , to find at what point of the link the piston rod is to be attached so as to move in a vertical line nearly . If the levers be of equal length , the piston c 2 STEAM ENGINE . 19 For Lever Engines.
... of the link which connects them , to find at what point of the link the piston rod is to be attached so as to move in a vertical line nearly . If the levers be of equal length , the piston c 2 STEAM ENGINE . 19 For Lever Engines.
Page 21
... move in a line approxi- mating to a vertical straight line , and the point D will move in the line as if the calculation had been made for D. It is , therefore , of great importance to know that the point P describes the same kind of ...
... move in a line approxi- mating to a vertical straight line , and the point D will move in the line as if the calculation had been made for D. It is , therefore , of great importance to know that the point P describes the same kind of ...
Page 26
... move . It is a practice among engineers to set the cylinder half the vibration of the beam in towards the centre of the beam ; and we shall here show how to find the vibration or versed sine of the arc described . Rule . From the square ...
... move . It is a practice among engineers to set the cylinder half the vibration of the beam in towards the centre of the beam ; and we shall here show how to find the vibration or versed sine of the arc described . Rule . From the square ...
Page 27
... move , and the centre of the crank pin , for the length of the connect- ing rod . This method has also been given by some writers ; but it is incorrect , and when the length is so taken , the con- necting rod will be found too long ...
... move , and the centre of the crank pin , for the length of the connect- ing rod . This method has also been given by some writers ; but it is incorrect , and when the length is so taken , the con- necting rod will be found too long ...
Page 36
... move along to suit the required pressure . When the whole weight is put on the valve , to find the pressure to each inch : - square Multiply the square of the diameter of the valve by 7854 , and this product will give the area , or ...
... move along to suit the required pressure . When the whole weight is put on the valve , to find the pressure to each inch : - square Multiply the square of the diameter of the valve by 7854 , and this product will give the area , or ...
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.