E3S Web Conf.
Volume 33, 2018High-Rise Construction 2017 (HRC 2017)
|Number of page(s)||12|
|Section||2 Engineering Systems and Building Materials|
|Published online||06 March 2018|
Variation principle in calculating the flow of a two-phase mixture in the pipes of the cooling systems in high-rise buildings
Moscow State University of Civil Engineering, 12933, Moscow, Yaroslavskoe shosse, 26, Russia
* Corresponding author: firstname.lastname@example.org
The analytical solution of one of the urgent problems of modern hydromechanics and heat engineering about the distribution of gas and liquid phases along the channel cross-section, the thickness of the annular layer and their connection with the mass content of the gas phase in the gas-liquid flow is given in the paper.The analytical method is based on the fundamental laws of theoretical mechanics and thermophysics on the minimum of energy dissipation and the minimum rate of increase in the system entropy, which determine the stability of stationary states and processes. Obtained dependencies disclose the physical laws of the motion of two-phase media and can be used in hydraulic calculations during the design and operation of refrigeration and air conditioning systems.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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