History and Progress of the Steam Engine: With a Practical Investigation of Its Structure and ApplicationThomas Kelly, 1839 - 859 σελίδες |
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Σελίδα 5
... heat . This property begins to operate at a temperature of 40 ° of Fahrenheit , below which it also possesses the opposite quality of ex- panding by the decrease of heat . When the temperature exceeds 40 ° , it remains fluid until ...
... heat . This property begins to operate at a temperature of 40 ° of Fahrenheit , below which it also possesses the opposite quality of ex- panding by the decrease of heat . When the temperature exceeds 40 ° , it remains fluid until ...
Σελίδα 15
... heat . This property begins to operate at a temperature of 40 ° of Fahrenheit , below which it also possesses the opposite quality of ex- panding by the decrease of heat . When the temperature exceeds 40 ° , it remains fluid until ...
... heat . This property begins to operate at a temperature of 40 ° of Fahrenheit , below which it also possesses the opposite quality of ex- panding by the decrease of heat . When the temperature exceeds 40 ° , it remains fluid until ...
Σελίδα 34
... heat is increased ; or , in other words , as it grows cold , it abstracts the heat more powerfully from the steam situated immediately beyond it . In this expansion and refrigeration , the steam is itselt partly condensed or converted ...
... heat is increased ; or , in other words , as it grows cold , it abstracts the heat more powerfully from the steam situated immediately beyond it . In this expansion and refrigeration , the steam is itselt partly condensed or converted ...
Σελίδα 50
... heat much better than the cast - iron cylinders of larger engines ( which were generally lined with a strong crust ) , and that considerable advantage could be gained , by making the cylinders of some substance that would receive and ...
... heat much better than the cast - iron cylinders of larger engines ( which were generally lined with a strong crust ) , and that considerable advantage could be gained , by making the cylinders of some substance that would receive and ...
Σελίδα 51
... heat six cubic inches of water , from the atmospheric pressure to the boiling point . Hence he saw that six times the difference of temperature , or fully 800 ° of heat , had been employed in giving elasticity to steam , and which must ...
... heat six cubic inches of water , from the atmospheric pressure to the boiling point . Hence he saw that six times the difference of temperature , or fully 800 ° of heat , had been employed in giving elasticity to steam , and which must ...
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admitted aperture apparatus applied atmosphere attached axis axle bars beam boiler bottom cause centre chimney circular cistern coal cock communication condenser connected connecting rod construction crank cylinder descend described diameter eduction effect elastic equal escape expansion experiments feet fire fixed flue fluid fly-wheel force friction frustrum fuel furnace groove heat hole hollow horizontal improvements inch inches of mercury inclined plane injection invention iron Jacob Perkins lever Liverpool London lower machine machinery means metal motion moving packing paddle-wheel paddles pass patent piston rod placed plate pounds pressure prevent produced propelling pump purpose quantity rail rail-way represents revolving ring rotary engine rotatory round screwed shaft shut side sliders sliding smoke steam boats steam carriage steam engine steam pipe stroke stuffing box supply surface temperature tion tube turn upper vacuum valve vapour velocity vertical Watt weight wheel