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
... atmospheres , is the simplest that can be applied to the Steam Engine . be enunciated thus : - It may If a given weight of steam or gas be made to vary its volume without changing its temperature , the elastic force of the steam or gas ...
... atmospheres , is the simplest that can be applied to the Steam Engine . be enunciated thus : - It may If a given weight of steam or gas be made to vary its volume without changing its temperature , the elastic force of the steam or gas ...
Page 9
... atmosphere about 15 lbs . per square inch ; also the resistance arising from the various parts of the engine , at a mean , the estimate is about 1 lb. to the square inch for the unloaded engine , and an additional friction of 14 , or of ...
... atmosphere about 15 lbs . per square inch ; also the resistance arising from the various parts of the engine , at a mean , the estimate is about 1 lb. to the square inch for the unloaded engine , and an additional friction of 14 , or of ...
Page 10
... atmosphere , we must use the resistance of the vapour in the condenser , which is generally esti- mated at about 4 lbs . to the square inch : in this case we have the Load + load + 1 + 4 = whole pressure of steam . Hence we have the ...
... atmosphere , we must use the resistance of the vapour in the condenser , which is generally esti- mated at about 4 lbs . to the square inch : in this case we have the Load + load + 1 + 4 = whole pressure of steam . Hence we have the ...
Page 13
... atmosphere ) during of the stroke , and during the remainder the steam is allowed to expand . We will ascertain , laying aside the minutiae of the ques- tion , what duty this engine ought to perform for a bushel of coals consumed . The ...
... atmosphere ) during of the stroke , and during the remainder the steam is allowed to expand . We will ascertain , laying aside the minutiae of the ques- tion , what duty this engine ought to perform for a bushel of coals consumed . The ...
Page 36
... atmosphere expressed in pounds per square inch , and the quotient will be the square of the diameter of the narrowest part of the valve in inches . Example . - Required the aperture of a safety valve for a boiler with 60 square feet ...
... atmosphere expressed in pounds per square inch , and the quotient will be the square of the diameter of the narrowest part of the valve in inches . Example . - Required the aperture of a safety valve for a boiler with 60 square feet ...
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.