Zobrazeno 1 - 10
of 33
pro vyhledávání: '"E. Nurpeiis"'
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 330, Iss 8, Pp 78-86 (2019)
The relevance of the research is caused by the necessity to develop mathematical models of thermophysical processes occurring in thermosiphons. These models are significantly less complex than the known ones, where sophisticated hydrodynamics problem
Externí odkaz:
https://doaj.org/article/f4067b25fc344b2690b711b49b4ba0d9
Autor:
Atlant E. Nurpeiis
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 330, Iss 7, Pp 17-24 (2019)
The numerical simulation of heat transfer was conducted in a cascade of thermosyphons representing a system for extracting geothermal energy from great depths. We proposed a mathematical model of heat transfer in the coolant layer on the bottom cover
Externí odkaz:
https://doaj.org/article/cd890fd724464116be337fdc18b53483
Publikováno v:
Industrial laboratory. Diagnostics of materials. 89:22-28
A highly sensitive electrochemical sensor based on a Surface Active Modifier (SAM) consisting of Taunit-M carbon nanotubes and mesoporous carbon (NanoTechCenter LLC, Tambov, Russia) is developed for the voltammetric determination of betulin and p-nit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90d80c797e58fe1749d5cd3c2c1ed350
https://doi.org/10.26896/1028-6861-2023-89-4-22-28
https://doi.org/10.26896/1028-6861-2023-89-4-22-28
Autor:
G. V. Kuznetsov, A. E. Nurpeiis
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 20, Iss 3-4, Pp 136-144 (2018)
In article, presents the results of experimental determination of temperature distributions in characteristic sections of the working zone of a closed two-phase thermosyphon. A thermosyphon made of copper with a constant cross-sectional area is used
Externí odkaz:
https://doaj.org/article/adf626f4c01f4ece925e822ea180aec4
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 1-2, Pp 114-121 (2017)
The plane problem of forced convection and conjugate heat exchange in a two-phase closed thermosyphon of rectangular cross-section was solved. Numerical modeling was conducted for three filling ratio variants (10%, 25%, 50%) of the heat transfer devi
Externí odkaz:
https://doaj.org/article/9a87eb2611ef4b4f858fefd503483ee9
Autor:
S. S. Kaliyeva, Yu. A. Akeneev, E. A. Mamaeva, Ye. E. Nurpeiis, A. A. Bakibaev, G. B. Slepchenko, A. K. Tashenov
Publikováno v:
Inorganic Materials. 54:1407-1411
The electrochemical activity of betulin (the ability to undergo electrochemical oxidation) in aqueous solutions is determined by voltammetry on carbon-containing (glassy-carbon) electrodes. The suggested identification method is based on measuring th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::450a30dd34e8a2bd86fbd26a89671705
https://doi.org/10.1134/s0020168518140108
https://doi.org/10.1134/s0020168518140108
Autor:
G. V. Kuznetsov, A. E. Nurpeiis
Publikováno v:
Tyumen State University Herald. Physical and Mathematical Modeling. Oil, Gas, Energy. 4:8-22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34821497148caa1ec9160dae75c1e9fa
https://doi.org/10.21684/2411-7978-2018-4-1-8-22
https://doi.org/10.21684/2411-7978-2018-4-1-8-22
Publikováno v:
Chemistry of Natural Compounds. 53:904-906
A new method for preparing allobetulin via thermal rearrangement of betulin in the presence of phenylthiourea without using acidic reagents was found.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1755cfdfd54a0798046b0bce6e2593c5
https://doi.org/10.1007/s10600-017-2152-7
https://doi.org/10.1007/s10600-017-2152-7
Publikováno v:
MATEC Web of Conferences, Vol 110, p 01064 (2017)
The paper presents an analysis of known dependencies for determining the critical heat flux density in diphasic thermosyphons. The critical heat flux density for the created experimental model of thermosyphon were calculated on the basis of the theor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b7db0b24d8cd5daf4b1b7029652067d
https://doaj.org/article/becb52e4da2a4f6fb9d50958057c8a0d
https://doaj.org/article/becb52e4da2a4f6fb9d50958057c8a0d
Publikováno v:
MATEC Web of Conferences, Vol 92, p 01006 (2017)
The influence of drop irrigation of the condensation part on the thermosyphon operational mode was studied experimentally. The temperature and pressure fall was found in the internal space of the upper chamber after applying the liquid on the upper w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fb254cbc289c887f1aea0f75dd0e9f4
https://doaj.org/article/95a499fce78a4f378e887e8cc28b0094
https://doaj.org/article/95a499fce78a4f378e887e8cc28b0094