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 98
... equation for the velocity , and we have v2 = 29 ′′ par2 { 1 + log . W pa pa L - 44 L ( 1 + log . 2 ) } a ра = 29x par { 1+ log . E - pa ( 1+ log . ) } W = 29x , par2 ( log ( 1 + log . - ) } W for L its value a pa ( 1+ log . ) . Z by ...
... equation for the velocity , and we have v2 = 29 ′′ par2 { 1 + log . W pa pa L - 44 L ( 1 + log . 2 ) } a ра = 29x par { 1+ log . E - pa ( 1+ log . ) } W = 29x , par2 ( log ( 1 + log . - ) } W for L its value a pa ( 1+ log . ) . Z by ...
Page 99
... equation ( 1 ) , p = R , Р .. A. v = mS . R ( 2 ) . ( 3 ) . If the unit of time be one minute , and N the number of strokes in that time , 7 being the length of the stroke and a the number of feet described before the steam is cut off ...
... equation ( 1 ) , p = R , Р .. A. v = mS . R ( 2 ) . ( 3 ) . If the unit of time be one minute , and N the number of strokes in that time , 7 being the length of the stroke and a the number of feet described before the steam is cut off ...
Page 100
... equation ( 2 ) becomes Aar 41 € = m8 P F mS.PI - = Aar The whole work done per square inch both before and after expansion being ap + aplog . ! , the pressure of the steam in the cylinder is evidently A 1 ( ap + ap . log . — ) ; and if ...
... equation ( 2 ) becomes Aar 41 € = m8 P F mS.PI - = Aar The whole work done per square inch both before and after expansion being ap + aplog . ! , the pressure of the steam in the cylinder is evidently A 1 ( ap + ap . log . — ) ; and if ...
Page 103
... the relative volumes when both the temperature and pressure change together ; if we substi- tute in the above equation the values of p and t , p ' and t ' , the pressures and temperatures which correspond to STEAM ENGINE . 103.
... the relative volumes when both the temperature and pressure change together ; if we substi- tute in the above equation the values of p and t , p ' and t ' , the pressures and temperatures which correspond to STEAM ENGINE . 103.
Page 110
... equation , N = and , p ' = E A ( a + c ) ( a + ßp ' ) E NAB ( a + c ) from the latter equation , N ( a + Bp ) = -- α E A ( x + c ) ..... ( e ) E 1 :: p = - NA B ( x 110 STEAM ENGINE .
... equation , N = and , p ' = E A ( a + c ) ( a + ßp ' ) E NAB ( a + c ) from the latter equation , N ( a + Bp ) = -- α E A ( x + c ) ..... ( e ) E 1 :: p = - NA B ( x 110 STEAM ENGINE .
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.