Wszystkie pola: ODP - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Modern Refrigerants on Environmental Protection
Autorzy:: Czapp, Marian
Orłowska, Magdalena
Powiązania:: https://bibliotekanauki.pl/articles/2069895.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: refrigerant
protection
environment
GWP
ODP
Opis:: The aim of reviewing information was characterizing in the labor factor using in refrigeration technology is and their impact on the environment. The development of the refrigeration industry occurred thanks to progress towards coolants. The most important aspect of using of refrigerators is their impact on health and human life, and atmosphere. By caring for health, the European Union achieves legal rights. Research on thermodynamic factors pose a wide field of work for many scientists and are the most popular, new information, that can be used in practice.
Źródło:: Rocznik Ochrona Środowiska; 2021, 23; 569--579
1506-218X
Pojawia się w:: Rocznik Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Irreversibility analysis of R407A and R407C as alternatives of R22 in window type air conditioner
Autorzy:: Al-Nadawi, Ayad Khudhair
Powiązania:: https://bibliotekanauki.pl/articles/240806.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: R407C
R407A
ODP
window type air conditioner
irreversibility analysis
Opis:: Irreversibility analysis was investigated by using refrigerants R22, R407A, and R407C in window type air conditioner system. The experimental study was conducted at various ambient temperatures and air volumetric flow rates to determine the parameters that cause the energy degradation of the system. The irreversibility was compared with respect to volumetric flow rates of the air passing through evaporator (14.15, 12.74, and 10.618 m3 /min) and different ambient temperatures (ranging from 28°C to 39°C dry bulb. Results show that the total irreversibility increases with refrigerant mass flow rate and ambient temperature for the three refrigerants. Additionally, R22 shows the highest irreversibility in low ambient temperature (28°C to 30°C) while R407A shows the lowest one with ambient temperature ranging from 30°C to 36°C. Both tested refrigerants are very good replacement for R22 in terms of irreversibility and energy analysis and these results are more remarkable with R407A.
Źródło:: Archives of Thermodynamics; 2019, 40, 4; 129-150
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Wybrane aspekty prawno-techniczne i ekologiczne stosowania sprężarkowych pomp ciepła
Selected Aspects of Legal, Technical and Ecological Use of Compression Heat Pumps
Autorzy:: Bohdal, T.
Charun, H.
Sikora, M.
Powiązania:: https://bibliotekanauki.pl/articles/1818544.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: pompy ciepła
czynniki chłodnicze
R1234yf
R1234ze
COP
GWP
ODP
heat pumps
refrigerants
Opis:: Destructive impact of chlorofluorocarbons refrigerants (CFCs), especially R12 and R22, on the environment (creation of the ozone hole and the greenhouse effect) led to their withdrawal from use in refrigeration and heat pumps. Due to the high global warming potential (GWP=1300) also widely used R134a refrigerant will be withdrawn from use from 2017. Ongoing search for environmentally friendly alternatives refrigerants among which are listed the refrigerants from the R1234 group – especially R1234yf. In previous publications of various authors, was analyzed the use of this refrigerant in refrigeration. The authors have made an attempt on the possibility of the application of this refrigerant in the compressor, steam heat pumps. Made comparative calculations indicate that implementation of this substitute is possible in a limited scope resulting from the reduction of the heating capacity outputted to the upper source.
Źródło:: Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 1; 461-484
1506-218X
Pojawia się w:: Rocznik Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Assessing the applicability of new refrigerants in marine cooling systems
Autorzy:: Zakrzewski, B.
Łokietek, T.
Powiązania:: https://bibliotekanauki.pl/articles/259543.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: TEWI
ODP
GWP
heat pump
air conditioning
cooling installations
refrigerant
R22 substitute
energetic efficiency
R41
R152a
R218
R227ea
RC318
R600a
R290
R1270
Opis:: The article assesses the applicability of new refrigerants, being possible substitution for Freon 22, in marine refrigeration and air-conditioning systems. A collection of technical data on the physical properties of the new refrigerants is presented. Suggestions are made about certain energetic and ecological profits which can be gained when using energetically efficient refrigerants with low GWP values. The results of the TEWI comparison analysis for selected refrigerants are also included.
Źródło:: Polish Maritime Research; 2010, 2; 55-59
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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