Results 21 to 30 of about 2,491 (296)

The Analysis of Next-Generation Refrigerants in Terms of Energy, Exergy, and LCCP Perspective

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2023
In this study, commonly used hydrofluorocarbon (HFC)-based refrigerants R404A and R410A, as well as hydrofluoroolefin (HFO)-based environmentally friendly next-generation refrigerant R1234yf with a low global warming potential (GWP), were analyzed in ...
Mehmet Onur Karaagac   +3 more
doaj   +1 more source

The name of the article is Experimental researches of refrigeration machines retrofit to alternative ozone friendly mixed refrigerants power efficiency

open access: yesЮг России: экология, развитие, 2015
The problems of refrigeration equipment transfer from ozone destroying refrigerant R22 to alternative mixed refrigerants are considered in the article. The exergy method is chosen from all possible ways of energy factors comparison.
A. Y. Kuzmin, A. V. Bukin
doaj   +1 more source

Case study of liquid suction heat exchanger in a mechanical refrigeration system using alternative refrigerants

open access: yes, 2020
This paper investigates the effect of adding a liquid-suction heat exchanger on the performance of a mechanical refrigeration system using alternative refrigerants.
Mahmood, Raid Ahmed
core   +1 more source

ARI delegation to Japan on Alternative Refrigerants [PDF]

open access: yes, 1993
Researchers from ARI member companies spoke at the International Conference on Alternative Refrigerants in Tokyo and visited several Japanese organizations for the purpose of exchanging information on alternative refrigerants. The specific purpose of the

core   +1 more source

Energy and Thermal Conductivity Assessment of Dimethyl-Ether and its Azeotropic Mixtures as Alternative Low Global Warming Potential Refrigerants in a Refrigeration System

open access: yesEnvironmental and Climate Technologies, 2021
Substituting Hydrofluorocarbons with natural refrigerants in domestic refrigerators will significantly reduce the direct contributions of fluorinated gases to global warming which will be of great environmental benefit. In this study, the performances of
Bolaji Bukola Olalekan   +4 more
doaj   +1 more source

Performance Prediction of Centrifugal Compressor for Drop-In Testing Using Low Global Warming Potential Alternative Refrigerants and Performance Test Codes

open access: yesEnergies, 2017
As environmental regulations to stall global warming are strengthened around the world, studies using newly developed low global warming potential (GWP) alternative refrigerants are increasing.
Joo Hoon Park   +2 more
doaj   +1 more source

Development of binary refrigeration system using CO2 refrigerant for convenience store

open access: yesMechanical Engineering Journal, 2016
From environmental point of view, natural refrigerants, whose Global Warming Potential (hereinafter GWP) is lower than commonly used refrigerants, have been considered in several industrial sectors.
Yukio YAMAGUCHI, Kenji AMAGAI
doaj   +1 more source

The Performance of Alternative Refrigerant Gas R152a as Mobile Air Conditioning Refrigerant

open access: yesChemical Engineering Transactions, 2014
In this study, the possible alternative replacement of R134a with R152 in the air conditioning (AC) system of an automobile has been investigated theoretically. The properties of the R152a is presented and compared with three different refrigerants (R134a, R22 and R12). At a constant condenser temperature,the effect of evaporator temperature (Te=-20 °C
KALKIŞIM, AHMET TAHİR   +2 more
openaire   +4 more sources

Theoretical comparison analysis of R134a, R1234yf, R452A and R454C refrigerants used in automobile, trailer and commercial and industrial cooling systems

open access: yesEuropean Mechanical Science
The increasing environmental disasters in recent years are caused by the release of artificial substances into the environment. The majority of artificial-containing emissions originate from petrochemical products.
Alpaslan Alkan
doaj   +1 more source

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