Results 21 to 30 of about 28,422 (241)

Analysis of the dielectric properties of R410A Gas as an alternative to SF(6) for high-voltage applications

open access: yesHigh Voltage, 2018
Electric power industry is extensively using gas-insulated systems for the transmission and distribution of electrical energy. In high-voltage technology, the gas insulation is dominated by Sulphur-hexafluoride (SF(6)) since the early 60th.
Bakhtiar Khan   +6 more
doaj   +1 more source

Thermal Conductivity of Low-GWP Refrigerants Modeling with Multi-Object Optimization

open access: yesAlgorithms, 2022
In this paper, the procedure of finding the coefficients of an equation to describe the thermal conductivity of refrigerants low in global warming potential (GWP) is transformed into a multi-objective optimization problem by constructing a multi ...
Mariano Pierantozzi   +2 more
doaj   +1 more source

Application of Flammable Refrigerants in Rail Transit Vehicle Air-conditioners

open access: yesChengshi guidao jiaotong yanjiu
[Objective] To analyze the allowable charge quantity of flammable refrigerants in RTVAC (rail transit vehicle air-conditioners), it is necessary to explore the feasibility and solutions for the safe application of environmentally friendly flammable ...
Yanfei YANG, Wenhua LI, Bao FAN
doaj   +1 more source

An Overview of Environment-Friendly Refrigerants for Domestic Air Conditioning Applications

open access: yesEnergies, 2022
Low global warming potential (GWP) refrigerants for the next-generation air conditioning systems have been investigated with target domestic applications.
Kutub Uddin, Bidyut Baran Saha
doaj   +1 more source

Magnetocaloric materials: the search for new systems

open access: yes, 2012
The prospect of efficient solid state refrigeration at room temperature is driving research into magnetic cooling engine design and magnetic phase transition-based refrigerants.
Sandeman, Karl G.
core   +1 more source

Refrigerants for a Sustainable Future

open access: yesEncyclopedia
Worldwide use of high global warming potential (GWP) hydrofluorocarbon (HFC) refrigerants for space conditioning and food storage results in significant equivalent greenhouse gas (GHG) emissions.
Vishaldeep Sharma   +4 more
doaj   +1 more source

Exergy assessment of a multistage multi-evaporator vapor compression refrigeration system using eighteen refrigerants

open access: yesEnergy Reports, 2022
The use of lower global warming potential refrigerants as an alternative to hydrochlorofluorocarbons and hydrofluorocarbons from an environmental perspective is the need of an hour.
Prateek D. Malwe   +2 more
doaj   +1 more source

The Heat Transfer Coefficient During Pool Boiling of Refrigerants in a Compact Heat Exchanger

open access: yesEnergies
The results of experimental data on the heat transfer coefficient during the boiling of pro-ecological refrigerants in a compact tube-shell heat exchanger are presented.
Marcin Kruzel   +4 more
doaj   +1 more source

Exploring the Potential of Metal–Organic Frameworks for the Separation of Blends of Fluorinated Gases with High Global Warming Potential

open access: yesGlobal Challenges, 2023
The research on porous materials for the selective capture of fluorinated gases (F‐gases) is key to reduce their emissions. Here, the adsorption of difluoromethane (R‐32), pentafluoroethane (R‐125), and 1,1,1,2‐tetrafluoroethane (R‐134a) is studied in ...
Julio E. Sosa   +8 more
doaj   +1 more source

Propane (HC – 290) as an Alternative Refrigerant in the Food Transport Refrigeration Sector in Southern Africa – a Review

open access: yesAutomotive Experiences, 2022
Most of the food transport trucks in Sothern Africa are equipped with refrigeration and air conditioning systems filled with fluorocarbon refrigerants such as R404A to facilitate the heat transfer process.
Thomas Kivevele
doaj   +1 more source

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