Results 71 to 80 of about 2,882 (203)

Gallate and Indate Salts with Unsaturated Electron Withdrawing Groups

European Journal of Inorganic Chemistry, Volume 27, Issue 5, February 12, 2024.
A host of perfluorinated unsaturated electron withdrawing groups are introduced to gallium and indium in the form of novel gallate and indate salts. These gallates and indates constitute an important first step for future investigations into the respective strong Lewis acids.
Sven Porath, Beate Neumann, Hans‐Georg Stammler, Berthold Hoge   +3 more
wiley   +1 more source

Investigation on the performance of air source heat pump system with new environment friendly refrigerants for a low carbon building [PDF]

, 2016
Energy is an important development factor. It is consumed in different format from different sources in daily human activities. Solar energy, as the most fundamental renewable energy resource, serves in a clean, domestic and environmentally friendly way
Cuce, E, Ding, Y, Lu, C, Riffat, S
core  

Performance of Heat Pump Air Conditioning with R1234ze (HFO) as a Refrigerant

Journal of Optimization, Volume 2024, Issue 1, 2024.
The study shows that refrigerants R1234ze (E) and R1234ze (Z), known for their low global warming potential, are likely to become primary choices in heat pump air conditioning for residential and commercial use. The research evaluates the thermodynamic properties of R1234ze (Z) using experimental, thermodynamic, and numerical analyses.
Subhash Kumar, Vaijanath N. Raibhole, Himadri Majumder, Kalapraveen Bagadi   +3 more
wiley   +1 more source

Performance of Supermarket Booster Refrigeration System Using the Zeotropic Working Fluid CO2/R1234yf

Zhileng xuebao
To meet the need for energy efficiency improvement and substitution of traditional refrigerants in the field of supermarket refrigeration, a supermarket booster refrigeration system using the eco-friendly zeotropic refrigerant CO2/R1234yf is proposed in ...
Hua Xue, Wu Tianhao, Dai Baomin, Liu Shengchun   +3 more
doaj   +2 more sources

A generalized Kiselev crossover approach applied to Soave–Redlich–Kwong equation of state [PDF]

, 2015
International audienceThree different variants of the crossover Soave–Redlich–Kwong equation of state are applied to describe the equilibrium behaviour of 72 common non-associating fluids – 27 hydrocarbons (including the first 10 n-alkanes), 36 ...
Coquelet, Christophe, Dicko, Moussa, Janecek, Jiri, Paricaud, Patrice   +3 more
core   +2 more sources

Performance of Automotive Air Conditioning System with R134a and R1234yf

International Journal of Air-Conditioning and Refrigeration, 2020
A steady-state mathematical model of a small-capacity Automotive Air Conditioning System (AACS) working with the refrigerants R134a (1,1,1,2-tetrafluoroethane) and R1234yf (2,3,3,3-tetrafluoropropene) is developed. The model considers the major components of the system, namely, the swash plate compressor with fixed stroke, thermostatic expansion valve (
Yogendra Vasantrao Kuwar, G. S. V. L. Narasimham   +1 more
openaire   +1 more source

A generalised assessment of working fluids and radial turbines for organic Rankine cycles [PDF]

, 2018
The aim of this paper is to conduct a generalised assessment of both optimal working fluids and radial turbine designs for small-scale organic Rankine cycle (ORC) systems across a range of heat-source temperatures.
Sayma, A. I., White, M.
core   +2 more sources

Simulation on Vapor Liquid Equilibria of R1234yf/R290/R134a Ternary System

Zhileng xuebao, 2017
Based on the Peng Robinson (PR) equation of state combined with the Wong-Sandler (WS) mixing rule, and combined with the UNIFAC group contribution method used in the Predictive Soave Redlich Kwong (PSRK) equation, a gas-liquid equilibrium prediction ...
Qin Yanbin, Zhang Hua, Wu Yinlong
doaj  

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

European 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

Properties of potential eco-friendly gas replacements for particle detectors in high-energy physics

, 2015
Modern gas detectors for detection of particles require F-based gases for optimal performance. Recent regulations demand the use of environmentally unfriendly F-based gases to be limited or banned. This review studies properties of potential eco-friendly
Ban, Y., Benussi, L., Bianco, S., Chen, G., Colafranceschi, S., Ferrini, M., Grassini, S., Kjølbro, J., Li, Q., Parvis, M., Piccolo, D., Saviano, G., Sharma, A., Yang, D.   +13 more
core   +1 more source