Zobrazeno 1 - 10
of 294
pro vyhledávání: '"Zhukov Vladimir"'
Publikováno v:
E3S Web of Conferences, Vol 459, p 05015 (2023)
Mixtures are widely used as refrigerants and heat carriers in various energy systems. When a non-azeotropic mixture boils, a light-boiling component releases intensively, which leads to a change in its concentration both in the liquid and vapor phase
Externí odkaz:
https://doaj.org/article/07e93e19df82488e911bdcead4f2945a
Publikováno v:
E3S Web of Conferences, Vol 459, p 05011 (2023)
This paper presents the results of the experimental study of heat transfer in horizontal layers of dielectric fluid HFE–7100 with a height of 2.5, 6.0 and 10 mm at pressures of 100 kPa and 50 kPa on a smooth surface (roughness Rz = 3.2 μm). It is
Externí odkaz:
https://doaj.org/article/ac48664e6d8d4ebb9ee93bdf92073fb4
Publikováno v:
E3S Web of Conferences, Vol 459, p 05001 (2023)
The experimental data of the effect of the height of a horizontal liquid layer on the heat transfer coefficient during evaporation/boiling under low pressure are present on this paper. In addition, data the influence of the height of the liquid layer
Externí odkaz:
https://doaj.org/article/c3772a771d04411490231215c7318aad
Publikováno v:
Proc. SPIE 12939, High-Power Laser Ablation VIII, 1293903 (11 April 2024)
Volumetric modification of glass materials by ultrashort laser pulses is a powerful technique enabling direct writing of three-dimensional structures for fabrication of optical, photonic, and microfluidic devices. The level of modification is determi
Externí odkaz:
http://arxiv.org/abs/2402.07257
Publikováno v:
E3S Web of Conferences, Vol 363, p 01021 (2022)
One of the ways to improve the efficiency of internal combustion engines is by reducing fuel and lubricant costs. The major cost of engine oil is due to the need to replace it regularly. Extending the service life of the oil based on the evaluation o
Externí odkaz:
https://doaj.org/article/b68645af6c2944a1a7250f838afe77f7
Publikováno v:
E3S Web of Conferences, Vol 363, p 01020 (2022)
Improvement of technical objects and systems energy efficiency, the most widespread of which are heat engines, is an urgent task, for the solution of which it is necessary to use various methods. The review of scientific publications allows to single
Externí odkaz:
https://doaj.org/article/f0499a80c3ad4e14bf3e0e09fb9aa757
Autor:
Zhukov Vladimir, Melnik Olesya
Publikováno v:
E3S Web of Conferences, Vol 244, p 04005 (2021)
The paper is devoted to the study of the regularities of changes in the quality of working fluids circulating through the systems of internal combustion piston engines. During the research, the parameters of fluids that characterize its operational p
Externí odkaz:
https://doaj.org/article/dcd8b8831b44470f897db96106756820
Autor:
Pavlenko Aleksandr, Zhukov Vladimir, Pecherkin Nikolay, Slesareva Ekaterina, Boyadjiev Christo, Dzhonova-Atanasova Daniela
Publikováno v:
E3S Web of Conferences, Vol 258, p 11008 (2021)
Structured packings are widely used in distillation columns to separate various types of mixtures. These packings have an ordered structure, which ensures more uniform conditions for interaction of counter-current flows of liquid and vapor than in th
Externí odkaz:
https://doaj.org/article/4f5dca7e142b455980adcdb8a9bb7827
Publikováno v:
ITM Web of Conferences, Vol 30, p 07003 (2019)
Designed and manufactured set of measuring test fixtures for printed circuit board (PCB) materials research and characterization is described in this article. Attention is paid to special designed test vehicle “General board” which includes six t
Externí odkaz:
https://doaj.org/article/bce8e2ebdcc841faba8e01475ef5a0ee
Publikováno v:
E3S Web of Conferences, Vol 135, p 02015 (2019)
The paper is devoted to the urgent problem of improving the automatic regulation of the thermal state of internal combustion engines and controlling the water-chemical cooling regimes during the transition to high-temperature cooling. Principal and f
Externí odkaz:
https://doaj.org/article/814097db755e45afad71fc08bd10285c