Results 81 to 90 of about 5,930 (210)

R32 Scroll Compressors Technology

, 2012
The purpose of the work is to describe technology used to design a scroll compressor with R32 refrigerant. Study what are the main differences and their implications compared to R410A refrigerant scroll compressors.
Xu, Hongling, Ginies, Pierre, Yan, Chao, Watts, Stéphane   +3 more
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Development of PVE Refrigeration Lubricants for R32

, 2014
A New-PVE lubricant was developed for use with R32 refrigerant. R32 has been proposed as an alternative refrigerant for R410A refrigerant, to reduce global warming.
Kawaguchi, Yasuhiro, Matsumoto, Tomoya
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Full NLO corrections to 3-jet production and R32 at the LHC [PDF]

, 2019
8 pages, 7 figures, 4 tables (published version)
Reyer, Max, Schönherr, Marek, Schumann, Steffen   +2 more
openaire   +4 more sources

Price Convergence in the Regional Housing Markets in Poland

Real Estate Management and Valuation, 2019
Average prices of residential real estate usually show significant variation on a regional basis. This reflects different social, economic or historical conditions for the development of these markets. In addition, research so far has not provided strong
Żelazowski Konrad
doaj   +1 more source

Characteristic Analysis of Boiling Heat Transfer of R32 Refrigerant and Modeling Study of Heat Exchanger

Energies
This study experimentally investigates the boiling heat transfer characteristics of R32 and R410A refrigerants in heat exchangers, systematically analyzing the effects of tube thickness, saturation temperature, latent heat, liquid-phase density, and ...
Bo Yu, Chenjie Zhou, Wenxiao Chu, Yuye Luo   +3 more
doaj   +1 more source

Urban Greenery as a Component of Real Estate Value

Real Estate Management and Valuation, 2016
Due to the specific characteristics of cities, such as the intensity of the use of space, the supply of green areas is limited. These areas are subjected to constant pressure (demand for new transportation or construction functions), which usually ...
Szczepańska Agnieszka, Krzywnicka Iwona, Lemański Grzegorz   +2 more
doaj   +1 more source

Experimental Assessment on Performance of a Heat Pump Cycle Using R32/R1234yf and R744/R32/R1234yf

, 2016
     Hydro-fluorocarbons (HFCs) are widely used as working fluids (refrigerants) in air-conditioning and refrigeration systems. However, at the 1997 Kyoto Conference (COP3), it was determined that the product and use of HFCs should be regulated due
Koyama, Shigeru, Kondou, Chieko, Kojima, Hedeki, Fukuda, Sho, Takata, Nobuo   +4 more
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Heat Transfer and Pressure Drop of R1123/R32 (40/60 mass%) Flow in Horizontal Microfin Tubes during Condensation and Evaporation

, 2019
In this study, the heat transfer coefficient (HTC) and pressure drop of the new low global warming potential refrigerant mixture R1123/R32 (40/60 mass%) in a 6.0 mm OD horizontal microfin tube during condensation at 40 °C and evaporation at 10 °C are ...
Kondou, Chieko
core   +1 more source

The Dynamics Of Time Series Of Real Estate Prices

Real Estate Management and Valuation, 2015
The presented research aims to contribute to the concerns regarding the evolutionary dynamics of the real estate market, seen as an open system flowing from one equilibrium state into another.
Belej Miroslaw, Kulesza Slawomir
doaj   +1 more source

Viscosity and thermal conductivity of refrigerant mixtures R32/R125, R32/R134a, R125/R134a

, 2017
Бойчук, А. С. В’язкість та теплопровідність сумішей холодоагентів R32/R125, R32/R134a, R125/R134а [Текст] : автореф. дис. ... канд. техн. наук : спец. 05.14.06 "Технічна теплофізика та промислова теплоенергетика" / Бойчук Артем Сергійович ; наук. кер. О.
Бойчук, А. С.
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