Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página 28
... supposed to be removed by suitable means of refrigeration . In the final compression it is the force of increasing pressure which completes the condensation ; and the developed latent heat brings up the temperature of the water to that ...
... supposed to be removed by suitable means of refrigeration . In the final compression it is the force of increasing pressure which completes the condensation ; and the developed latent heat brings up the temperature of the water to that ...
Página 29
... supposed cylinder , and A ' , B ' , C ' , D ' , posi- tions occupied by the movable piston at the end of the successive stages of expansion and compression which we have supposed the air to undergo . Then let AA ' , BB ' , CC ' , DD ...
... supposed cylinder , and A ' , B ' , C ' , D ' , posi- tions occupied by the movable piston at the end of the successive stages of expansion and compression which we have supposed the air to undergo . Then let AA ' , BB ' , CC ' , DD ...
Página 35
... supposed that a piston moves air - tight in a cylinder which is closed at both ends . Call one end of the cylinder A , and the other B. Call the piston also C. In the end A let there be a valve opening inward , and in the end B a second ...
... supposed that a piston moves air - tight in a cylinder which is closed at both ends . Call one end of the cylinder A , and the other B. Call the piston also C. In the end A let there be a valve opening inward , and in the end B a second ...
Página 36
... supposed to occupy a position , say one - third advanced down the cylinder , the piston C being further advanced still , and let the valve of B be secured by a strong spring pressing upon it , so that it cannot be opened without the ...
... supposed to occupy a position , say one - third advanced down the cylinder , the piston C being further advanced still , and let the valve of B be secured by a strong spring pressing upon it , so that it cannot be opened without the ...
Página 47
... supposed that the temperature of the air may be raised advantageously as high as 600 ° Centigrade . It is at the same time admitted that one - half of the heat of the fire will escape directly through the chimney . With these data the ...
... supposed that the temperature of the air may be raised advantageously as high as 600 ° Centigrade . It is at the same time admitted that one - half of the heat of the fire will escape directly through the chimney . With these data the ...
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advantage amount angle apparatus applied armature atmosphere axis Bessemer process boiler calories carried cent centimetres circumference compression construction contrivance crank cubic metres cylinder diameter direction discharge disk distance effect electric employed engine equal exhibited experiments Exposition extremity feet force furnace furnished glass half heat horizontal horse-power hundred hydraulic hydraulic head illustrated inches increased instrument introduced invention inventor iron kilograms kilometres latent heat length lever light light-houses liquid machine manufacture means mechanical ment Messrs metal metres millimetres mode motion movable types movement necessary object observed operation ordinary Paris passes piston plate position pounds practical present pressure prism produced pulley pump purpose refrigerator reservoir revolution roller rotary engine rotation screw sextant shaft side Siemens space spherometer steam steam-engine steel surface telescope temperature tion tonometer tube turbine turn valve vapor velocity vertical vessel weight wheel Wicklow Head
Pasajes populares
Página 31 - B with the sound velocity where y is the ratio of the specific heat at constant pressure to the specific heat at constant volume, and p is the gas pressure.