Results 21 to 30 of about 13,306 (305)
The readiness among the polytechnic engineering and non-engineering lecturers towards implementation of 4C in teaching [PDF]
, 2020 The paper discusses the readiness level of the 4C polytechnics lecturer (creative, critical, communication & collaboration) from the cognitive, psychomotor and affective domains. By using questionnaires as an instrument, this research employed the survey
Awang, Noor Hidayah, Ming, Foong Lee
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Carbon Dioxide + Fluoromethane and Nitrous Oxide + Fluoromethane: Solid−Liquid Equilibria Measurements [PDF]
, 2010 A recently built experimental setup was employed for the estimation of the solid-liquid equilibria (SLE) of alternative refrigerant systems.
Di Nicola, Giovanni +4 more
core +1 more source
Energies, 2017 As environmental regulations to stall global warming are strengthened around the world, studies using newly developed low global warming potential (GWP) alternative refrigerants are increasing.
Joo Hoon Park +2 more
doaj +1 more source
Improvements in CO2 Booster Architectures with Different Economizer Arrangements. [PDF]
, 2020 CO2 transcritical booster architectures are widely analyzed to be applied in centralized commercial refrigeration plants in consonance with the irrevocable phase-out of HFCs.
Cabello López, Ramón +5 more
core +1 more source
Development of binary refrigeration system using CO2 refrigerant for convenience store
Mechanical Engineering Journal, 2016 From environmental point of view, natural refrigerants, whose Global Warming Potential (hereinafter GWP) is lower than commonly used refrigerants, have been considered in several industrial sectors.
Yukio YAMAGUCHI, Kenji AMAGAI
doaj +1 more source
Solid-liquid equilibria for the dimethyl ether plus carbon dioxide binary system [PDF]
, 2010 A recently built experimental setup was employed for the estimation of the solid-liquid equilibria of alternative refrigerants systems. The behavior of dimethyl ether (DME) + carbon dioxide was measured down to temperatures of 131.6 K.
Di Nicola, G. +3 more
core +1 more source
Phase Equilibria of Chlorofluorocarbon Alternative Refrigerant Mixtures. [PDF]
Journal of Chemical & Engineering Data, 1999 Isothermal vapor−liquid equilibrium data were determined for binary systems of difluoromethane/1,1,1,2-tetrafluoroethane (HFC-32/HFC-134a), difluoromethane/pentafluoroethane (HFC-32/HFC-125), difluoromethane/1,1,1-trifluoroethane (HFC-32/HFC-143a), and difluoromethane/1,1-difluoroethane (HFC-32/HFC-152a). The vapor and liquid compositions and pressures
Byung Gwon Lee +4 more
openaire +1 more source
Heat Transfer, Refrigeration and Heat Pumps
Energies, 2021 The Special Issue entitled “Heat Transfer, Refrigeration and heat Pumps” accepted papers covering a wide range of topics related to heat pumps, thermal energy storage, and low-Global Warming Potential (GWP) alternative refrigerants [...]
Moonis R. Ally, Brian Fricke
doaj +1 more source
European Mechanical ScienceThe 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
Alternative Refrigerants in Adiabatic Capillary Tubes [PDF]
, 1996 This study examines the mass flow rate of refrigerants in adiabatic capillary tubes, with an emphasis on the nature of the metastable region for both single component refrigerants and mixtures. The metastable region of a capillary tube was found to be
Dunn, W.E., Meyer, J.J.
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