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Wyświetlanie 1-4 z 4
Tytuł:
New refrigerants used by heat pumps
Autorzy:
Grzebielec, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1818457.pdf
Data publikacji:
2020
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
heat pump
refrigerants
GWP
pompa ciepła
czynniki chłodnicze
Opis:
The date is inevitably approaching when refrigerants such as R407C (GWP 1774) and R410A (GWP 2088) cannot be used in newly introduced refrigeration, air conditioning and heat pump equipment. From January 1, 2020, there is a ban on placing on the market devices with refrigerants with a GWP greater than 2500, and from January 1, 2025 the limit value will be 750. Thus, devices filled with R404A (GWP 3922) have already disappeared from the primary market. Despite the anticipated changes in the short term, heat pumps with refrigerants such as R407C or R410A still dominate the sale. Devices with R134a (GWP 1430), R32 (GWP 675), R290 propane (GWP 3) or R744 carbon dioxide are sold to a lesser extent.
Źródło:
Modern Engineering; 2020, 3; 100--106
2450-5501
Pojawia się w:
Modern Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New refrigerants used by heat pumps
Autorzy:
Grzebielec, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1818462.pdf
Data publikacji:
2020
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
heat pump
refrigerants
GWP
pompa ciepła
czynniki chłodnicze
Opis:
The date is inevitably approaching when refrigerants such as R407C (GWP 1774) and R410A (GWP 2088) cannot be used in newly introduced refrigeration, air conditioning and heat pump equipment. From January 1, 2020, there is a ban on placing on the market devices with refrigerants with a GWP greater than 2500, and from January 1, 2025 the limit value will be 750. Thus, devices filled with R404A (GWP 3922) have already disappeared from the primary market. Despite the anticipated changes in the short term, heat pumps with refrigerants such as R407C or R410A still dominate the sale. Devices with R134a (GWP 1430), R32 (GWP 675), R290 propane (GWP 3) or R744 carbon dioxide are sold to a lesser extent.
Źródło:
Modern Engineering; 2020, 3; 100--106
2450-5501
Pojawia się w:
Modern Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New refrigerants used by heat pumps
Autorzy:
Grzebielec, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1818464.pdf
Data publikacji:
2020
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
heat pump
refrigerants
GWP
pompa ciepła
czynniki chłodnicze
Opis:
The date is inevitably approaching when refrigerants such as R407C (GWP 1774) and R410A (GWP 2088) cannot be used in newly introduced refrigeration, air conditioning and heat pump equipment. From January 1, 2020, there is a ban on placing on the market devices with refrigerants with a GWP greater than 2500, and from January 1, 2025 the limit value will be 750. Thus, devices filled with R404A (GWP 3922) have already disappeared from the primary market. Despite the anticipated changes in the short term, heat pumps with refrigerants such as R407C or R410A still dominate the sale. Devices with R134a (GWP 1430), R32 (GWP 675), R290 propane (GWP 3) or R744 carbon dioxide are sold to a lesser extent.
Źródło:
Modern Engineering; 2020, 3; 100--106
2450-5501
Pojawia się w:
Modern Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative analysis of a cooling systems working on an environmentally friendly refrigerants
Autorzy:
Ruciński, Adam
Dalba, Mateusz
Laskowski, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/2073388.pdf
Data publikacji:
2021
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
refrigeration systems
refrigerants
cascade cooling equipment
economic analysis
systemy chłodnicze
czynniki chłodnicze
kaskadowe urządzenia chłodnicze
analiza ekonomiczna
Opis:
The paper treats with refrigerants which affect on excessive heating of atmosphere. They are in group offluorinated greenhouse gases which are regulated by European and polish law. The main aim is to lower their amount in industry leading to overall removal from use. We present possible way to design refrigeration system lowering their adverse effect on natural environment. So three options of cooling systems are analyzed: one-stage refrigeration system working with R449A, cascade refrigeration system with R744 (carbon dioxide)/ R134a and R717 (ammonia) refrigeration plant. Due to the nowadays raising use of the cascade systems, an analysis of the operating parameters of such installation was carried out with considering the cascade heat exchanger as a condenser/evaporator. The installations concerned are three alternative offers for meat processing manufactory. A thermal balance was prepared for chambers located in building and the operating parameters of the installation were assumed. The equipment corresponding to the required cooling capacities were selected.
Źródło:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2021, 4; 32--40
2450-1859
2450-8721
Pojawia się w:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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