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 97
... maximum , the expression S 2g , par { 1+ log . ( 1 + log . ) W must be a maximum ; a S - hence { 1 or , 1+ log . s - log.a - S + log . - ) } 1+ log . 2 / 2 / ( 1+ log . a If u = 1+ log.s ― S ds du = du ds 1 S is a maximum ; · ( 1 + log ...
... maximum , the expression S 2g , par { 1+ log . ( 1 + log . ) W must be a maximum ; a S - hence { 1 or , 1+ log . s - log.a - S + log . - ) } 1+ log . 2 / 2 / ( 1+ log . a If u = 1+ log.s ― S ds du = du ds 1 S is a maximum ; · ( 1 + log ...
Page 114
... maximum of useful effect . v = E ( a + BP ) Aa + then by substitution we have " Ag'v = E ( 1 + d ) B α + log . ( 1 + c ) + c a a + B ( h + f ) ; £ ) } ... ( p ) ; a + c α + βρ but this can only be approximate , for the pressure of the ...
... maximum of useful effect . v = E ( a + BP ) Aa + then by substitution we have " Ag'v = E ( 1 + d ) B α + log . ( 1 + c ) + c a a + B ( h + f ) ; £ ) } ... ( p ) ; a + c α + βρ but this can only be approximate , for the pressure of the ...
Page 115
... maximum * , which gives 1 α + h + f α α + β Ρ 1 ( q ) . + P B a + ß ( h + f ) a = volume at pressure P volume at ... maximum . Hence , throwing out constant quantities , a a + c + log . ( 1 + 0 ) = a + c a + must also be a maximum ...
... maximum * , which gives 1 α + h + f α α + β Ρ 1 ( q ) . + P B a + ß ( h + f ) a = volume at pressure P volume at ... maximum . Hence , throwing out constant quantities , a a + c + log . ( 1 + 0 ) = a + c a + must also be a maximum ...
Page 115
... maximum of useful effect . v = E ( a + BP ) A a + c then by substitution we have E Ag'v ' = ( 1 + d ) B a " { _2 + log . ( 1 + c ) a + c 1 + a + a + B ( h + f ) } ... ( p ) ; £ ) } 1 - a + c a + BP but this can only be approximate , for ...
... maximum of useful effect . v = E ( a + BP ) A a + c then by substitution we have E Ag'v ' = ( 1 + d ) B a " { _2 + log . ( 1 + c ) a + c 1 + a + a + B ( h + f ) } ... ( p ) ; £ ) } 1 - a + c a + BP but this can only be approximate , for ...
Page 115
... maximum * , which gives 1 α + h + f a B 8122 α α + βΡ 1 + P β a + ß ( h + ƒ ) or , in other words , a volume at ... maximum . + log . ( 2+ c ) a + - Hence , throwing out constant quantities , α a + c c 7 + log . ( 1 + 0 ) - a +0 a + must ...
... maximum * , which gives 1 α + h + f a B 8122 α α + βΡ 1 + P β a + ß ( h + ƒ ) or , in other words , a volume at ... maximum . + log . ( 2+ c ) a + - Hence , throwing out constant quantities , α a + c c 7 + log . ( 1 + 0 ) - a +0 a + must ...
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.