Results 41 to 50 of about 1,974 (165)
Refrigerant Options in the Near Future
Regulation EU no. 517/2014 on fluorinated greenhouse gases (the F-gas regulation) and today’s research in the refrigeration and air-conditioning technology and heat pumps are increasingly focused on the use of natural refrigerants such as ammonia ...
Vedran Zanchi +2 more
doaj +1 more source
This research presents the development of R463A refrigerant, a nonflammable refrigerant that was retrofitted to replace R404A. R463A is primarily composed of hydrofluorocarbons/hydrocarbons/carbon dioxide (HFCs/HCs/CO2), and has global-warming potential (
Piyanut Saengsikhiao +4 more
doaj +1 more source
POTENTIAL OF NANOPARTICLES IN REFRIGERATION SYSTEM WITH NATURAL REFRIGERANT - A REVIEW
The performance of cooling systems can be enhanced by introducing nanoparticles into compressor oils and refrigerants in refrigeration systems. This enhancement is necessary to ensure energy conservation and environmental sustainability. Nanorefrigerants/nanolubricant have emerged as a prominent application in the area of refrigeration systems, aiming ...
Kumbhar, Anil Hiralal, Dr. Ali, Mohammed
openaire +2 more sources
R455A Refrigerant as a Prospective Working Fluid in Refrigeration Systems for Gastronomy Furnishings
The general development of technology and universal access means that gastronomy furnishings can be found in every corner of the world. Therefore, it is important to develop these devices and the machines that constitute them.
Tomasz Bernat, Krzysztof Bieńczak
doaj +1 more source
Investigation on the Miscibility of Lubricants with Natural Refrigerant R290
In order to explore the miscibility of lubricants with the natural refrigerant R290, an experimental device was established. The miscibility of naphthenic oil, paraffinic oil, polyol ester, polyalkylene glycol and alkylbenzene with the natural ...
Yang Ruijie +5 more
doaj
Study on Application Scope for CO2 Cascade Refrigeration System and CO2 Secondary Refrigerant System
The employment of natural refrigerant have drawn widespread attention, since natural refrigerant are completely environmentally friendly and they have high potential in refrigeration application.
Tian Yafen +5 more
doaj
CO2 is a HCFCs substitution in HPMP of industrial and commercial refrigeration (ICR) sector in China. In this paper, the applicability of natural refrigerant CO2 application in ICR is analyzed by standards, testing, replacement cost and market prospect ...
Shi Min +5 more
doaj
Effect of Air Velocity on the Performance of CO2 Evaporator with Different Flow Numbers
In order to study the relationship between air velocity and heat transfer performance of CO2 finned-tube evaporator, a distributed parameter model was established in this paper.
doaj
Ejector characterization for refrigeration applications with natural refrigerants
Employing natural fluids in refrigerating plants at warm climate conditions sometimes impacts negatively on the system performance. Ejectors can play a key role in configurations aiming at improving the efficiency of such systems, however their geometry has to be optimized in order to gain the best benefit.
A. Milazzo +4 more
openaire +1 more source
Application of natural refrigerants in the industrial refrigeration and heat pumps in the future
For more than 150 years natural refrigerants have been used in various industrial applications reaching temperatures from -273°C to more than 300°C and the level of the high temperature limit is difficult to estimate at the time of writing this paper. Ammonia, NH3, R-717 has been the preferred refrigerant for normal everyday industrial refrigeration in
Pachai, Alexander C. +2 more
openaire +1 more source

