Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Pavlenko Aleksandr"'
Publikováno v:
E3S Web of Conferences, Vol 578, p 01002 (2024)
The paper presents experimental data on the influence of the height of the horizontal liquid layer on the amplitude of pressure pulsations obtained during evaporation/boiling under reduced pressure conditions. Also presented are the spectra of pressu
Externí odkaz:
https://doaj.org/article/2cb9e8d00b0341839517cd44fad83088
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
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
Autor:
Kovalenko Mikhail, Shalkovsky Denis, Petrovtsev Aleksandr, Pavlenko Aleksandr, Malyugina Svetlana, Yusupov Dmitriy
Publikováno v:
EPJ Web of Conferences, Vol 250, p 02030 (2021)
Quartzite is a basic rock constituent. It has a complicated phase diagram where besides a low-pressure phase (α-quartz), two high-pressure solid ones are present – coesite and stishovite. Also present are the hightemperature cristobalite and tridy
Externí odkaz:
https://doaj.org/article/a3db6793554345e99b89f2793fc0ff00
Autor:
Pecherkin, Nikolay I. a, ⁎, Volodin, Oleg A. a, Das, Mihir K. b, Pavlenko, Aleksandr N. a, Kataev, Andrey I. a, Mironova, Irina B. a
Publikováno v:
In Applied Thermal Engineering 15 March 2025 263
Publikováno v:
MATEC Web of Conferences, Vol 115, p 05008 (2017)
The mathematical model which allows the calculation of the wave surface profile as well as velocity and temperature fields has been presented. The numerical simulation of heat transfer in falling wavy films of liquid nitrogen has been performed. The
Externí odkaz:
https://doaj.org/article/efc9f7e6fea04276a1650706c14ddf5c
Autor:
Pavlenko Aleksandr, Zhukov Vladimir, Pecherkin Nikolay, Nazarov Aleksandr, Li Xingang, Liu Mingyan, Sui Hong, Li Hong
Publikováno v:
MATEC Web of Conferences, Vol 115, p 08003 (2017)
Results of experimental studies of heat-and-mass transfer and hydrodynamic processes at distillation on a regular packing are presented. The mixture of freons R114–R21 at the pressure of 0.3 MPa was used as a working mixture. The mixture was separa
Externí odkaz:
https://doaj.org/article/843a32b29c034d9fa9d350df70c1de04
Autor:
Moharana, Subhakanta, Das, Mihir K., Pecherkin, Nikolay I., Pavlenko, Aleksandr N., Volodin, Oleg A.
Publikováno v:
In Applied Thermal Engineering September 2023 232