Výsledky vyhledávání

Akademický článek

Academician Vladimir Vasilievich Kovanov (1909–1994) (on the 115th anniversary of his birth)

Publikováno v: Вестник хирургии имени И.И. Грекова, Vol 183, Iss 3, Pp 89-91 (2024)

A prominent Soviet surgeon, a well-known specialist in the field of topographic anatomy, operative and military surgery, a talented scientist and teacher, academician (1963) and vice-president (1966) of the USSR Academy of Medical Sciences, honored s

Externí odkaz: https://doaj.org/article/1184c5f534df4ce49cc278ae3a3e8f44

Zobrazit plný text záznamu

Akademický článek

Assessment of the influence of gap wall mobility factor at calculation of leakage in working section of a scroll compressor. Part 2

Autor: V. A. Pronin, A. V. Kovanov, V. A. Tsvetkov, E. N. Mikhailova, P. A. Belov

Publikováno v: Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 7, Iss 4, Pp 15-24 (2023)

Leakage of the working substance in the compressor's flow gaps accounts for a large share of its volumetric losses. The optimality of calculated and approximated characteristics depends on the accuracy of quantitative component determination. Accor

Externí odkaz: https://doaj.org/article/7b8fe12c0387446bbe296193b1ce7b96

Zobrazit plný text záznamu

Akademický článek

To the issue of optimising the performance of a scroll compressor as part of a CO2 booster refrigerating machine in order to increase its efficiency

Autor: V. A. Pronin, A. V. Kovanov, V. A. Tsvetkov, E. N. Mikhailova, P. A. Belov

Publikováno v: Вестник Дагестанского государственного технического университета: Технические науки, Vol 50, Iss 1, Pp 42-52 (2023)

Objective. With the decreasing use of refrigerants with a high global warming potential, increasing the efficiency of refrigeration machines using natural working fluids is a very urgent task. The CO2 booster refrigerant cycle may be optimal for the

Externí odkaz: https://doaj.org/article/427976c671f946589d26bd48176d1932

Zobrazit plný text záznamu

Akademický článek

Assessment of the influence of gap wall mobility factor at calculation of leakage in working section of a scroll compressor. Part 1

Autor: V. A. Pronin, A. V. Kovanov, V. A. Tsvetkov, E. N. Mikhailova, E. A. Kalashnikova

Publikováno v: Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 7, Iss 1, Pp 9-17 (2023)

The scroll type compressor is widely used in the medium capacity segment of refrigeration and air conditioning technology including heat pumps. Today there is an active process of changing from hydrofluorocarbons to natural refrigerants with low gl

Externí odkaz: https://doaj.org/article/dc54d346abb143a88e33ef0a1c611ab0

Zobrazit plný text záznamu

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Akademický článek

The prospect of using ozone-safe refrigerants with low global warming potential in scroll compressors. Research and practice of using R744 and R290. Part 2

Autor: V. A. Pronin, A. V. Kovanov, E. A. Kalashnikova, V. A. Tsvetkov

Publikováno v: Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 6, Iss 1, Pp 14-21 (2022)

Scroll compressors currently operate successfully on various natural refrigerants, among which the most popular are propane R290 and carbon dioxide R744. This is due to the performance characteristics of the refrigerants studied in the previous art

Externí odkaz: https://doaj.org/article/3fc777e92a1146b2a1aad37354905f6c

Zobrazit plný text záznamu

Akademický článek

The prospect of using ozone-safe refrigerants with low global warming potential in scroll compressors. Part 1

Autor: V. A. Pronin, A. V. Kovanov, E. A. Kalashnikova, V. A. Tsvetkov

Publikováno v: Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 5, Iss 4, Pp 9-16 (2021)

The Montreal Protocol and the Kigali Amendment have determined the need and deadlines of the replacement of hydro fluorinated refrigerants. Substances of natural origin with a low global warming potential are becoming an alternative to hydrofluoroc

Externí odkaz: https://doaj.org/article/1bfd85e01b3f4f3dbeb5a6a6749af9ee

Zobrazit plný text záznamu