 | 1875 - 500 pages
...expressed by the equation, QL = Qo ยป*, in which Q,, is the quantity of water evaporated by the (L -j- 1) length, that evaporated by the first length being...prevail, is that at which the radiation of heat from tho fuel ceases, and heat is communicated by conduction alone ; and it appears from the observations... | |
 | 1876 - 496 pages
...the commencement of the series increase in arithmetical progression. The point, he adds, at which the law begins to prevail, is that at which the radiation...ceases, and heat is communicated by conduction alone. One of the experiments, of which the results were investigated by M. Havrez, was made by M. Petiet,... | |
 | Spencer Fullerton Baird - 1876 - 1888 pages
...between the quantities of water evaporated by consecutive equal lengths of tubing is a constant number. The point at which this law begins to prevail is that...which the radiation of heat from the fuel ceases, where heat is communicated to the water by conduction alone. And it appeal's from observations that... | |
 | 1877 - 626 pages
...the commencement of the series increase in arithmetical progression. The point, he adds, at which the law begins to prevail, is that at which the radiation...ceases, and heat is communicated by conduction alone. One of the experiments, of which the results were investigated by M. Havrez, was made by M. Petiet,... | |
 | Daniel Kinnear Clark - 1878 - 1064 pages
...the commencement of the series increase in arithmetical progression. The point, he adds, at which the law begins to prevail, is that at which the radiation...ceases, and heat is communicated by conduction alone. One of the experiments of which the results were investigated by M. Havrez, was made by M. Petiet,... | |
 | Daniel Kinnear Clark - 1878 - 1022 pages
...commencement of the series increase in arithmetical progression. The point, he adds, at which the law tegins to prevail, is that at which the radiation of heat...ceases, and heat is communicated by conduction alone. One of the experiments of which the results were investigated by M. Havrez, was made by M. Petiet,... | |
 | American Railway Master Mechanics' Association - 1889 - 524 pages
...quantity of water evaporated by the (i + 1) length ; that evaporated by the first length being = Qo. The point at which this law begins to prevail is that...and it appears from the observations cited that in locomotive boilers the evaporation diminishes by nearly one-half for each 3 feet of length. Therefore... | |
 | Daniel Kinnear Clark - 1889 - 1020 pages
...the commencement of the series increase in arithmetical progression. The point, he adds, at which the law begins to prevail, is that at which the radiation...ceases, and heat is communicated by conduction alone. One of the experiments of which the results were investigated by M. Havrez, was made by M. Pe'tiet,... | |
 | Robert Wilson - 1892 - 530 pages
...commencement of the series increase in arithmetical progression. The point at which the law begins being that at which the radiation of heat from the fuel...ceases and heat is communicated by conduction alone. The arrangement of tubes in any given boiler should be such as to allow vertical passages of ample... | |
 | Robert Wilson - 1889 - 492 pages
...commencement of the series increase in arithmetical progression. The point at which the law begins being that at which the radiation of heat from the fuel...ceases and heat is communicated by conduction alone. The arrangement of tubes in any given boiler should be such as to allow vertical passages of ample... | |
| |
That the quantities of water evaporated by consecutive equal lengths of flue-tubes decrease in geometrical progression, whilst the distances from the commencement of the series increase in arithmetical progression. The point, he adds, at which the law... 