Technical progress requires solutions for more and more complicated problems of heat transfer from soil to different structures ... Ground water flow can be calculated analytically, by electrical analogs or by hydraulic analogs. ... practiced in our country for it is simple, clear, flexible, and available to the personnel of various engineering branches. ... K. E. Lembke was the first to use this principle ( 1886) [l], known in hydromechanics as the principle of successive changes of steady states.
|Title||:||Permafrost International Conference|
|Author||:||Kenneth B. Woods|
|Publisher||:||National Academies - 1966*|