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 51
... exhaust port b . When the crank is at A , the slide is at the middle of its stroke ; when it arrives at в the steam begins to exhaust from the under - side of the piston ; and when the crank arrives at c , the piston being at this time ...
... exhaust port b . When the crank is at A , the slide is at the middle of its stroke ; when it arrives at в the steam begins to exhaust from the under - side of the piston ; and when the crank arrives at c , the piston being at this time ...
Page 52
... exhaust ports b ( figures 3 , 4 , 5 , 6 ) , and s will be the posi- tion of the piston in its down - stroke . It will be seen that during the time the piston is travelling from c to c ' , the bottom port p'p has been fully open , to ...
... exhaust ports b ( figures 3 , 4 , 5 , 6 ) , and s will be the posi- tion of the piston in its down - stroke . It will be seen that during the time the piston is travelling from c to c ' , the bottom port p'p has been fully open , to ...
Page 53
... exhaust side , inch ; and lead inch : required the point of the stroke at which steam will be cut off . Here first ) , 3 3 +2.5 = · 5454 = versed sine of 62 ° 58 ′ ( arc the and 3 .5 - 3 + 2.5 second ) . STEAM ENGINE . 53.
... exhaust side , inch ; and lead inch : required the point of the stroke at which steam will be cut off . Here first ) , 3 3 +2.5 = · 5454 = versed sine of 62 ° 58 ′ ( arc the and 3 .5 - 3 + 2.5 second ) . STEAM ENGINE . 53.
Page 57
... Exhaust Ports , 2 11 in . No. of Notch . Travel of Slide . Lead of Slide . Front Stroke . Back Stroke . Front Stroke . Back Stroke . Front Stroke . Back Stroke . Front Steam cut off . Exhaust opens . Compres . sion begins . Slide opens ...
... Exhaust Ports , 2 11 in . No. of Notch . Travel of Slide . Lead of Slide . Front Stroke . Back Stroke . Front Stroke . Back Stroke . Front Stroke . Back Stroke . Front Steam cut off . Exhaust opens . Compres . sion begins . Slide opens ...
Page 58
... Exhaust Ports , 11 Exhaust opens . Compres- sion begins . Slide opens . Remarks . Stroke . Stroke . Front Stroke . Back Stroke . Front Stroke . Back Front Stroke . Back ... ter of Blast ... Pipe , 31 147 138 163 16 16 163 13 1 Inside ...
... Exhaust Ports , 11 Exhaust opens . Compres- sion begins . Slide opens . Remarks . Stroke . Stroke . Front Stroke . Back Stroke . Front Stroke . Back Front Stroke . Back ... ter of Blast ... Pipe , 31 147 138 163 16 16 163 13 1 Inside ...
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.