Results 11 to 20 of about 28,831 (309)
Measures to expand the application range of ammonia refrigerant [PDF]
E3S Web of Conferences, 2023 To cope with the climate issue, China has clearly stated the goal of carbon peaking and carbon neutrality. Most of the refrigerants currently used are HCFCs and HFCs refrigerants.
Shen Xueming +3 more
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Analysis of influence of piston motion law on characteristics of working process of single-stage carbon dioxide compressor unit [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020 The results presented in the work shows that the implementation of the carbon dioxide compression process in an oil-free low-speed stage of a reciprocating compressor with intensive external cooling can increase the refrigeration coefficient and ...
I. P. Aistov +4 more
doaj +1 more source
Determination of a Suitable Retrofit of R-134A Using Refrigerant Blends of R290 and R600 Aided by an Optimization Technique [PDF]
Журнал інженерних наук, 2022 The effect of the hydrochlorofluorocarbon (HCFC) and hydrofluorocarbon (HFC) refrigerants on the environment through the attack of its halogen contents-chlorine and fluorine, on the ozone layer and the toxic nature of such refrigerants, has paid the ...
Anaemeje J. C. +3 more
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Вестник Научно-исследовательского института железнодорожного транспорта, 2021 Adoption by Russia of the Kigali Amendment to the Montreal Protocol on substances that deplete the ozone layer posed a very difficult task for consumers of artificial cold, including rail transport, to find an acceptable alternative to the R134a freon ...
I. M. Mazurin, S. N. Naumenko
doaj +1 more source
Quantum-circuit refrigerator [PDF]
Nature Communications, 2017 AbstractQuantum technology promises revolutionizing applications in information processing, communications, sensing and modelling. However, efficient on-demand cooling of the functional quantum degrees of freedom remains challenging in many solid-state implementations, such as superconducting circuits.
Partanen, Matti +6 more
openaire +6 more sources
Multi-objective optimization of a novel reversible High-Temperature Heat Pump-Organic Rankine Cycle (HTHP-ORC) for industrial low-grade waste heat recovery [PDF]
, 2019 Nowadays, a high amount of industrial thermal energy is still lost due to the lack of competitive solutions for energy revalorization. Facing this challenge, this paper presents a novel technology, based on a reversible High-Temperature Heat Pump (HTHP ...
Amat-Albuixech, Marta +5 more
core +1 more source
P-V-T Behavior of 2,3,3,3-Tetrafluoroprop-1-ene (HFO-1234yf) in the Vapor Phase from (243 to 373) K [PDF]
, 2010 The P-V-T properties of 2,3,3,3-tetrafluoroprop-1-ene (CF 3 CFdCH 2 , HFO-1234yf), an environmentally friendly refrigerant, were measured using a constant volume apparatus.
Di Nicola, Cristiano +4 more
core +1 more source
Sensors, 2022 Sulfuryl fluoride (SO2F2) is a toxic and potent greenhouse gas that is currently widely used as a fumigant insecticide in houses, food, and shipping containers.
Hassan Yassine +4 more
doaj +1 more source
Rekayasa Mesin, 2023 Heat recovery from available waste heat is an essential method in renewable energy processes due to the ability to generate electricity by using Organic Rankine Cycles (ORC). The process model is developed with the Cycle Tempo software.
Fara Nabilah Sakina +3 more
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Energies, 2023 The global concern regarding the environmental repercussions of refrigerants has escalated due to their adverse effects. These substances deplete the ozone layer and intensify the greenhouse effect. International agreements such as the Montreal and Kyoto
Rami Mansouri +2 more
doaj +1 more source