International journal of refrigeration, Vol. 33 N° 6. International journal of refrigeration - Septembre 2010
| Titre : | International journal of refrigeration, Vol. 33 N° 6. International journal of refrigeration - Septembre 2010 |
| Type de document : | Bulletin |
| Paru le : | 18/09/2010 |
Dépouillements
Article : texte imprimé
Bingfeng Yu, Auteur ;
Liu, Min, Auteur ;
Peter W. Egolf, Auteur
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Magnetic refrigeration, heating and power conversion technologies are interesting alternatives to the conventional refrigeration, heat pumping and different conventional energy conversion technologies. At present they all show a realistic potent[...]
Article : texte imprimé
A. Sarlah, Auteur ;
A. Poredos, Auteur
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In order to obtain a better reliability, consistency and accuracy of results obtained with a numerical simulation of an AMRR (active magnetic regenerator refrigerator), a dimensionless numerical model was developed, which can equally be used for[...]
Article : texte imprimé
R. Mastrullo, Auteur ;
A.W. Mauro, Auteur ;
A. Rosato, Auteur
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Among the alternatives to the HCFCs and HFCs, carbon dioxide emerged as one of the most promising environmentally friendly refrigerants. In past years many works were carried out about CO2 flow boiling and very different two-phase flow character[...]
Article : texte imprimé
Wiebke Brix, Auteur ;
Martin Ryhl Kærn, Auteur ;
Brian Elmegaard, Auteur
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The effects of airflow non-uniformity and uneven inlet qualities on the performance of a minichannel evaporator with parallel channels, using CO2 as refrigerant, are investigated numerically. For this purpose a one-dimensional discretised steady[...]
Article : texte imprimé
José Fernández-Seara, Auteur ;
Rubén Diz, Auteur ;
Francisco J. Uhía, Auteur
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This paper is concerned with the experimental analysis of a standard terminal fan-coil unit with ice slurry as coolant. The ice slurry was produced from an ethylene glycol 10 wt% aqueous solution. The pressure drop measurements are presented as [...]
Article : texte imprimé
For the analytical solution of a wet fin equation, a relationship between humidity ratio and temperature of the saturation air is necessary. A linearity of this relationship instead of the actual one was chosen by many researchers for the ease o[...]
Article : texte imprimé
Ping Zhang, Auteur ;
P. S. Hrnjak, Auteur
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The thermal-hydraulic performance in periodic frosting conditions is experimentally studied for the parallel-flow parallel-fin heat exchanger, henceforth referred to as a PF2 heat exchanger, a new style of heat exchanger that uses louvered bent [...]
Article : texte imprimé
Seungyub Lee, Auteur ;
Seung Heo, Auteur ;
Cheolung Cheong, Auteur
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The internal blade-passing frequency (BPF) noise of a centrifugal fan in a household refrigerator is computed using a hybrid method. The unsteady flow field of the centrifugal fan in a duct is predicted by solving the incompressible Reynolds-ave[...]
Article : texte imprimé
Kai Wang, Auteur ;
Feng Cao, Auteur ;
Shouguo Wang, Auteur
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High-temperature heat pumps can be widely utilized for industrial heating as an energy-saving method due to their high condensing temperatures. This paper describes a cycle analysis and experimental study on the performance of a high-temperature[...]
Article : texte imprimé
Teemu Turunen-Saaresti, Auteur ;
Pekka Röyttä, Auteur ;
Juha Honkatukia, Auteur
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A modern refrigeration process requires constant control to provide required cooling for the user. To properly and economically accommodate this need, a wide operation range of the compressor is necessary. Therefore, it is of interest to investi[...]
Article : texte imprimé
Orhan Ekren, Auteur ;
Savas Sahin, Auteur ;
Yalcin Isler, Auteur
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This study deals with effects of different control methods on variable speed compressor (VSC) and electronic expansion valve (EEV) in a chiller system. The chiller system has a scroll type VSC and a stepper motor controlled EEV. Two different pr[...]
Article : texte imprimé
Akhil Agarwal, Auteur ;
Todd M. Bandhauer, Auteur ;
Srinivas Garimella, Auteur
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Heat transfer coefficients in six non-circular horizontal microchannels (0.424 < Dh < 0.839 mm) of different shapes during condensation of refrigerant R134a over the mass flux range 150 < G < 750 kg m−2 s−1 were measured in this study. The c[...]
Article : texte imprimé
Sergio Bobbo, Auteur ;
Laura Fedele, Auteur ;
Monica Fabrizio, Auteur
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Nanotechnologies offer the opportunity to improve the characteristics of the oil and the oil–refrigerant mixture in refrigeration and air conditioning equipments by dispersing nanoparticles in the oil. Here a study of the influence of the disper[...]
Article : texte imprimé
In this paper, a general approach in evaluating and optimizing thermoelectric cooler (TEC) performance is presented. Analytical solutions for performance parameters such as cooling capacity and device temperature at both the TEC pellet level and[...]
Article : texte imprimé
Hoseyn Sayyaadi, Auteur ;
M. Babaelahi, Auteur
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The development of the liquefaction process for the Liquefied Natural Gas (LNG) boil-off re-liquefaction plants will be addressed to provide an environmentally friendly and cost effective solution for the gas transportation. In this manner, onbo[...]
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