Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
Dentro del libro
Resultados 1-5 de 19
Página 16
... heat of 100 ° F. and raised therefrom to 70 pounds pressure . It is , of course , merely a selection of these figures out of all others ... heating surface with- out regard to its disposition or efficient position , is 16 MOTIVE POWERS .
... heat of 100 ° F. and raised therefrom to 70 pounds pressure . It is , of course , merely a selection of these figures out of all others ... heating surface with- out regard to its disposition or efficient position , is 16 MOTIVE POWERS .
Página 120
... Surfaces . - The conducting power of iron being 233 thermal units , compared with 555 units on the part of copper , the use of the latter is better for the purpose of conveying the heat to the air ( or water ) , or , if expense prevents ...
... Surfaces . - The conducting power of iron being 233 thermal units , compared with 555 units on the part of copper , the use of the latter is better for the purpose of conveying the heat to the air ( or water ) , or , if expense prevents ...
Página 126
... surface to the heating surface of the boilers , thus , Heating surface X 0.7 condensing surface . = For land purposes one - half the boiler heating surface may be considered sufficient . For further information , see Chapter XXIV . Gain ...
... surface to the heating surface of the boilers , thus , Heating surface X 0.7 condensing surface . = For land purposes one - half the boiler heating surface may be considered sufficient . For further information , see Chapter XXIV . Gain ...
Página 127
Reginald Pelham Bolton. Heating Factories by Exhaust Steam . - Much economy results from the use of exhaust steam to warm factories , heat ... SURFACE OF TUBES IN SQUARE FEET PER ONE - FOOT Length . Diam . in Ins . K 3/4 P temperature of the ...
Reginald Pelham Bolton. Heating Factories by Exhaust Steam . - Much economy results from the use of exhaust steam to warm factories , heat ... SURFACE OF TUBES IN SQUARE FEET PER ONE - FOOT Length . Diam . in Ins . K 3/4 P temperature of the ...
Página 144
... Heating Grate H. P. L. P. Stroke . ure . Surface . Area . Lbs . Sq . Ft . Sq . Ft . Inches . 71 52 67 85 171 193 ΙΟ 20 35 45 65 102 128 148 X X 3 & 6 4 & 8 X 5 & 10 6 & 12 7 & 14 8 & 16 9 & 18 10 & 20 II & 22 12 & 24 13 & 26 14 & 28 15 ...
... Heating Grate H. P. L. P. Stroke . ure . Surface . Area . Lbs . Sq . Ft . Sq . Ft . Inches . 71 52 67 85 171 193 ΙΟ 20 35 45 65 102 128 148 X X 3 & 6 4 & 8 X 5 & 10 6 & 12 7 & 14 8 & 16 9 & 18 10 & 20 II & 22 12 & 24 13 & 26 14 & 28 15 ...
Otras ediciones - Ver todas
Términos y frases comunes
50 feet adopted amount ampères apparatus arranged average belt calculation cast-iron cent CHAPTER chimney coal compound engine condensation Cornish boilers cost crank cubic feet cubic foot cylinder Diam driving dynamo economy effective horse-power electric equal evaporated exhaust steam fall feed-water feet per minute flues fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES Horse horse-power per hour imperial gallons inch diameter indicated horse-power iron lamp Lancashire Lancashire boilers length Load machine machinery mill motive power motor nominal horse-power oil-engine Pelton Wheel pipes piston plates portable portable engines pounds practical proportions pump purposes quantity of water Revolutions per Minute shaft single-cylinder sizes space speed square feet square foot square inch steam-engine Stroke suited supply temperature thickness tubes turbine valve vary velocity vertical engine volts water-wheels Watts weight wheel Width wind windmill ΙΟ
Pasajes populares
Página 257 - ON THE DEVELOPMENT AND TRANSMISSION OF POWER FROM CENTRAL STATIONS. Being the Howard Lectures delivered at the Society of Arts in 1893. By WILLIAM CAWTHORNE UNWIN,
Página 257 - The Drainage of Fens and Low Lands by Gravitation and Steam Power.
Página 180 - 30 tons per square inch, with an elongation of not less than 20 per cent, in a test