Results 101 to 110 of about 13,565 (218)

Experimental flow boiling study in a 0.52 mm diameter vertical tube using R134a [PDF]

open access: yes, 2008
This article is also available online from the link below.Experimental results for R134a boiling on a vertical stainless steel tube of internal diameter 0.52 mm are presented in this paper.
Karayiannis, TG   +3 more
core  

Comparative study of heat transfer and pressure drop during flow boiling and flow condensation in minichannels [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +4 more
core  

Impact of Refrigerant Charge on Mobile Air Conditioning System with New Heat Exchanger

open access: yesZhileng xuebao, 2011
The industry is always making efforts to reduce the R134a charge with new heat exchanger,which results in the decrease of direct emissions of R134a to the environment.The refrigerant charge in conventional mobile air conditioning system and the mobile ...
doaj   +2 more sources

Rapid Growth of the CO2 Hydrate Induced by Mixing Trace Tetrafluoroethane. [PDF]

open access: yesACS Omega, 2023
Song T   +14 more
europepmc   +1 more source

Moisture transport processes and control of relative humidity in refrigerated facilities : a thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2007
Increasingly air relative humidity (RH) is becoming an important design and operational variable for refrigerated facilities. An integrated dynamic model of the main heat and moisture transfer mechanism in a refrigerated facility was developed.
Sujau, Maumoon
core  

Comparison Between Model-established Simulation and Experiment for Evaporators

open access: yesZhileng xuebao, 2007
The simulation on an evaporator of an R134a air-conditioning unit was conducted with a steady state distribution parameter model.Using the update Kattan model,R134a flow patterns inside smooth tubes were divided, and then the flow pattern map was ...
Yin Bin, Ding Guoliang, Ouyang Ti
doaj   +2 more sources

Performance Analysis of Low-GWP Refrigerant Mixture Used in Automotive Heat-Pump Air Conditioner

open access: yesZhileng xuebao
The basic thermophysical properties and cycle performances of refrigerant mixtures are compared and analyzed in automotive heat pumps. The following mixtures are analyzed: R134a, R1234yf, R290, R410A, and eight mixtures containing flame retardant R1216 ...
Sun Sainan   +5 more
doaj  

Research on energy saving potentials using pure and zeotropic refrigerants in data center cooling systems

open access: yesCase Studies in Thermal Engineering
Zeotropic refrigerants possess the characteristic of temperature glide during phase-change process, making them suitable for temperature matching between cold and hot sources and reducing total temperature differences.
Xiaoxuan Chen   +3 more
doaj   +1 more source

Parametric effects on dryout of propane in a vertical circular mini-channel [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
3rd Micro and Nano Flows Conference (MNF2011)   +3 more
core  

Simulation Analysis and Experimental Study on Substituting R134a with R290 in Electric Vehicle Compressors

open access: yesZhileng xuebao
Because the driving method of electric vehicles differs from that of conventional ones, the power sources of electric vehicles can be diversified. The Global Warming Potential (GWP) and ozone depletion potential (ODP) values of the refrigerant R290 are ...
Chen Jianhong   +5 more
doaj  

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