 | Ernst Alban - 1848 - 390 pages
...reference to the degree of expansion most advantageous to be used : many theoretical calculations have been made to determine the point, but they all appear...assigned by the inequality of the steam's action on the piston.19 It is, moreover, necessary to consider the pressure the steam should have on its leaving... | |
 | British Association for the Advancement of Science - 1885 - 1240 pages
...German engineer, Dr. Álbans, who, writing about 1840, says of thechoice of best ratio of expansion : ' Practical considerations form the best guide, and these are often left entirely out of view by mathematicians. Many theoretical calculations have been made to determine the point, but they appear... | |
 | Robert Henry Thurston - 1889 - 70 pages
...German engineer Dr. Albans, who, writing about 1840, says of the choice of best ratio of expansion : " Practical considerations form the best guide, and these are often left entirely out of view by mathematicians. Many theoretical calculations have been made to determine the point, but they appear... | |
 | Robert Henry Thurston - 1891 - 912 pages
...take vague shape. Dr. Albans, writing about 1840, says of the choice of best ratio of expansion : " Practical considerations form the best guide, and these are often left entirely out of view by mathematicians. Many theoretical calculations have been made to * The Steam-engine considered as a... | |
| |
Practical considerations form the best guide, and these are often left entirely out of view by mere mathematicians. 