Results 41 to 50 of about 4,411,432 (181)

Comparative Study on Coolbox/Waterloop and Natural Refrigerants Solutions for Commercial Refrigeration

open access: yesKnE Engineering, 2020
This paper presents some natural and artificial solutions for reducing the use of HFCs in commercial refrigeration systems to limit greenhouse gas (GHG) emissions to the atmosphere. Additionally, the case study of a medium size supermarket is addressed.
Mário Rui Ribeiro de Almeida   +1 more
openaire   +2 more sources

Experimental Investigation of the Effect of a Recuperative Heat Exchanger and Throttles Opening on a CO2/Isobutane Autocascade Refrigeration System

open access: yesEnergies, 2020
An experimental evaluation of an autocascade refrigeration (ACR) system was carried out. A zeotropic mixture of isobutane and CO2 was employed as a working fluid in an autocascade refrigeration (ACR) system.
Michał Sobieraj
doaj   +1 more source

Performance and Capacity Comparison of Two New LGWP Refrigerants Alternative to R410A in Residential Air Conditioning Applications [PDF]

open access: yes, 2012
Energy conservation is the core reason for the increasing interest in high performance low global warming potential (LGWP) refrigerants. Several researchers pioneered new refrigerants that have zero ozone depletion potential and GWP less than 500.
Cremaschi, Lorenzo, Biswas, Auvi
core   +1 more source

Recent Developments in Cooling Systems and Cooling Management for Electric Motors

open access: yesEnergies, 2023
This study provides an overview of new trends in the development of cooling systems for electric motors. It includes a summary of academic research and patents for cooling systems implemented by leading motor manufacturers at TRL9.
Dmytro Konovalov   +6 more
doaj   +1 more source

The Use of Natural Refrigerants in Refrigeration and Air Conditioning Systems: A Review

open access: yesIOP Conference Series: Materials Science and Engineering, 2018
The refrigeration and air-conditioning sector is now undergoing a crucial phase where all the existing conventional refrigerants are being permitted to be neither produced nor consumed. For a better future, there is an immediate demand to look for clean refrigerants which are eco-friendly.
Madhu Sruthi Emani, Bijan Kumar Mandal
openaire   +1 more source

Low Global Warming Potential (GWP) Alternative Refrigerants Evaluation Program (Low-GWP AREP) [PDF]

open access: yes, 2012
In response to environmental concerns raised by the use of high global warming potential (GWP) refrigerants, the Air-Conditioning, Heating, and Refrigeration Institute (AHRI) launched an industry-wide cooperative research program, AHRI Low-GWP ...
Amrane, Karim   +2 more
core   +1 more source

Natural refrigerants versus synthetic refrigerants for steam-generating heat pumps

open access: yes, 2022
Industrial heat pumps supplying steam at saturation temperatures up to 200°C are an emerging technology, which can help replacing fossil-fuel driven boilers. For these temperatures, little research is performed on refrigerant selection.
Arteconi, Alessia   +6 more
core   +1 more source

State of the Art of Research and Applications of Low-carbon Refrigerants

open access: yesZhileng xuebao, 2016
Refrigerant is the blood of refrigeration systems. Since the synthetic refrigerants were developed, refrigeration technology has experienced a rapid development.
Chen Guangming, Gao Neng, Piao Chuncheng
doaj  

Solar driven ejector cooling system employing natural refrigerants: thermo-economic analysis and optimization strategy

open access: yes, 2022
Solar heat driven ejector cooling systems are interesting solutions for air conditioning, since they offer the possibility to use low-grade solar energy, by also saving the considerable electric energy required by conventional vapor compression cycles ...
Giovanni Napoli   +4 more
core   +1 more source

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