International journal of refrigeration, Vol. 34 N° 3. International journal of refrigeration: Revue interntionale du froid - Mai 2011
| Titre : | International journal of refrigeration, Vol. 34 N° 3. International journal of refrigeration: Revue interntionale du froid - Mai 2011 |
| Type de document : | Bulletin |
| Paru le : | 10/05/2011 |
Dépouillements
Article : texte imprimé
K.K. Nielsen, Auteur ;
Jaka Tušek, Auteur ;
K. Engelbrecht, Auteur
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The active magnetic regenerator (AMR) is an alternative refrigeration cycle with a potential gain of energy efficiency compared to conventional refrigeration techniques. The AMR poses a complex problem of heat transfer, fluid dynamics and magnet[...]
Article : texte imprimé
Liu, Min, Auteur ;
Bingfeng Yu, Auteur
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A two-dimension porous medium model for a reciprocating active magnetic regenerator (AMR) of room temperature magnetic refrigeration has been developed. The thermal diffusion effect, heat flux boundary effect and variable fluid physical properti[...]
Article : texte imprimé
Article : texte imprimé
Liu Yang, Auteur ;
Kai Du, Auteur ;
Xiao Feng Niu, Auteur
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Based on the preparation of Al2O3, Fe2O3 and ZnFe2O4 nanofluid, the comparative experiments on the falling film absorption between ammonia–water and ammonia–water with various kinds of nano-particles are carried out. Experimental results show th[...]
Article : texte imprimé
H. Arima, Auteur ;
A. Okamoto, Auteur ;
Y. Ikegami, Auteur
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The next-generation energy production systems are expected to be based on ocean thermal energy conversion (OTEC) and discharged thermal energy conversion (DTEC). These systems use a plate-type evaporator and ammonia or an ammonia/water mixture a[...]
Article : texte imprimé
C.P. Jawahar, Auteur ;
R. Saravanan, Auteur
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An experimental investigation on the performance of an air-cooled modified generator absorber heat exchange (GAX) absorption cooling system has been carried out and presented in this paper. The conventional system is modified by incorporating hi[...]
Article : texte imprimé
Ibrahim I. El-Sharkawy, Auteur
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This paper aims to address the effect of using classical Linear Driving Force (LDF) model on the performance of adsorption chillers. A comparative study between the well known LDF equation and the Fickian diffusion (FD) model has been conducted.[...]
Article : texte imprimé
Jongsoo Jeong, Auteur ;
Kiyoshi Saito, Auteur ;
Sunao Kawai, Auteur
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A gas engine driven hybrid air conditioning system was constructed; it consisted of a gas engine, a single-stage compression-type refrigerator, and a single-effect absorption-type refrigerator that can be driven by shaft power and waste heat, re[...]
Article : texte imprimé
This paper presents a new approach for experimental analysis of chilled or heated ceiling systems and its environment (ventilation, windows and thermal loads distribution). The work is aimed at giving a better insight to crucial parameters as th[...]
Article : texte imprimé
Martin Ryhl Kærn, Auteur ;
Wiebke Brix, Auteur ;
Brian Elmegaard, Auteur
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Refrigerant and airflow maldistribution in fin-and-tube evaporators for residential air-conditioning was investigated with numerical modeling. Fin-and-tube heat exchangers usually have a pre-defined circuitry. However, the objective in this stud[...]
Article : texte imprimé
C.R. Ruivo, Auteur ;
J.J. Costa, Auteur ;
A.R. Figueiredo, Auteur
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The performance of a desiccant wheel is evaluated by modelling a representative channel. The hypothesis of negligible resistances to heat and mass transfer in the cross-direction is assumed in the thin porous desiccant wall of the channels and t[...]
Article : texte imprimé
Chieko Kondou, Auteur ;
Pega Hrnjak, Auteur
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Heat rejection from CO2 flow near the critical point, where commercial refrigerators spend most of their operating hours, was investigated in this study. Experimental results on the heat transfer coefficient and pressure drop of mass flux from 1[...]
Article : texte imprimé
Xiaohan Jia, Auteur ;
Bo Zhang, Auteur ;
Silvia Minetto, Auteur
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The loss of contact between the vane tip and cylinder wall was proven to cause a serious leakage and inefficient operation of the rotary vane expander, which was developed to replace the throttling valve in the trans-critical CO2 refrigeration s[...]
Article : texte imprimé
This paper describes the development of a CO2 air/water heat pump for the production of tap hot water in a residential building. The basic design consists of a single-stage piston compressor, a coaxial type gas cooler, an electronic expansion va[...]
Article : texte imprimé
Enrico Da Riva, Auteur ;
Davide Del Col, Auteur
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The experimental performance of a semi-hermetic reciprocating compressor working with propane as the refrigerant is reported in the present paper. Tests have been performed both with and without an internal heat exchanger between the vapour suct[...]
Article : texte imprimé
Sepehr Sanaye, Auteur ;
Masoud Dehghandokht, Auteur ;
Hassan Mohammadbeigi, Auteur
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The thermal modeling of rotary vane compressor (RVC) was performed in this paper by applying Artificial Neural Network (ANN) method. In the first step, appropriate tests were designed and experimental data were collected during steady state oper[...]
Article : texte imprimé
X. J. Chang, Auteur ;
L.W. Yang, Auteur ;
J.T. Liang, Auteur
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To achieve refrigeration at different positions, we tried out pairs of different coaxial pulse tube cryocoolers (PTCs) driven in parallel by a single compressor and set up an experimental apparatus. The refrigerating performances of different PT[...]
Article : texte imprimé
Article : texte imprimé
Article : texte imprimé
M. Selek, Auteur ;
S. Tasdemir, Auteur ;
K. Dincer, Auteur
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In the present study, the cooling performance of the Ranque-Hilsch Vortex tube (RHVT) was experimentally investigated by infrared thermography (IRT) method. For this purpose, experiments were conducted on the cutting tool nose point of the lathe[...]
Article : texte imprimé
Chia-Wei Liu, Auteur ;
Yew-Khoy Chuah, Auteur
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An optimal approach temperature (OAT) control strategy is proposed for resetting the condensing water temperature hourly, so to maximize the performance of the combined water chiller and cooling tower system. A system performance factor is intro[...]
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