International journal of refrigeration, Vol. 33 N° 2. International journal of refrigeration - Mars 2010
| Titre : | International journal of refrigeration, Vol. 33 N° 2. International journal of refrigeration - Mars 2010 |
| Type de document : | Bulletin |
| Paru le : | 02/02/2011 |
Dépouillements
Article : texte imprimé
Kai Wang, Auteur ;
Magnus Eisele, Auteur ;
Yunho Hwang, Auteur
|
Due to the environmental damage caused by HFC refrigerants, there is an increasing universal interest to research environmentally friendly fluids in refrigerants and alternative approaches to the traditional DX refrigeration system. These refrig[...]
Article : texte imprimé
J. Steven Brown, Auteur ;
Claudio Zilio, Auteur ;
Alberto Cavallini, Auteur
|
Group contribution methods are used to predict the critical temperatures, critical pressures, critical densities, acentric factors, and ideal gas specific heats at constant pressure for eight fluorinated olefins, namely: R-1225ye(E), R-1225ye(Z)[...]
Article : texte imprimé
Alberto Cavallini, Auteur ;
Enrico Da Riva, Auteur ;
Davide Del Col, Auteur
|
The experimental performance of a 100 kW heat pump using propane is presented. The charge minimization is a priority in the design of such a device and thus shell-and-tube heat exchangers using minichannels and providing low charge have been ins[...]
Article : texte imprimé
Ming-Jer Hsiao, Auteur ;
Yu-Fu Kuo, Auteur ;
Chih-Chiu Shen, Auteur
|
This article experimentally investigates the thermal performance of a heat pump system with an ice storage subcooler. The system supplies heating and cooling demands to two greenhouses with temperature ranging 308∼323 K and 273∼291 K respectivel[...]
Article : texte imprimé
H. Matsushima, Auteur ;
T. Fujii, Auteur ;
T. Komatsu, Auteur
|
A new dynamic simulation program for predicting the transient behavior of absorption chillers with arbitrary cycle configurations has been developed. This program combines an object-oriented formulation and a parallel processing program architec[...]
Article : texte imprimé
Jin Ki Lee, Auteur ;
Junemo Koo, Auteur ;
Hiki Hong, Auteur
|
The objectives of this paper are to examine the effect of nanoparticles on the pool type absorption heat transfer enhancement and to find the optimal conditions to design a highly effective compact absorber for NH3/H2O absorption system. The bin[...]
Article : texte imprimé
Miyazaki, Toshimasa, Auteur ;
Atsushi Akisawa, Auteur ;
Bidyut Baran Saha, Auteur
|
This paper deals with the performance evaluation of an innovative, waste heat driven dual evaporator type three-bed adsorption cycle for cooling application. The innovative adsorption chiller has two evaporators, three adsorbent beds, and a cond[...]
Article : texte imprimé
G. Tagliafico, Auteur ;
F. Scarpa, Auteur ;
F. Canepa, Auteur
|
Active Magnetic Regeneration (AMR) is a configuration that allows magnetic refrigeration to be suitable also for room temperature applications. This work is intended to detect, by means of a 1-D numerical model, the influence on the regenerator [...]
Article : texte imprimé
Jaka Tušek, Auteur ;
Samo Zupan, Auteur ;
Alen Šarlah, Auteur
|
A team of researchers have developed and built a prototype of a rotary magnetic refrigerator (MR). The principle of the operation of the presented magnetic refrigerator is based on the rotary movement of active magnetic regenerators (AMRs) with [...]
Article : texte imprimé
Zhaogang Qi, Auteur ;
Yu Zhao, Auteur ;
Jiangping Chen, Auteur
|
In the present paper, two retrofitted compact and high efficient microchannel heat exchangers were proposed. The new microchannel heat exchangers have advantages in compactness (17.2% and 15.1% volume reduction for evaporator and condenser, resp[...]
Article : texte imprimé
Mooyeon Lee, Auteur ;
Taehyung Kang, Auteur ;
Yongchan Kim, Auteur
|
The objective of this study is to investigate the air-side heat transfer characteristics of spiral-type circular fin-tube heat exchangers used as evaporators in household refrigerators. The j-factors of the tested heat exchangers under non-frost[...]
Article : texte imprimé
Y. Xia, Auteur ;
A. M. Jacobi, Auteur
|
Correlations and a model are developed to predict the time-varying performance of folded-louvered-fin, microchannel heat exchangers. The model utilizes the correlations developed from the experimental data and incorporates a sub-model for frost [...]
Article : texte imprimé
Ping Zhang, Auteur ;
P. S. Hrnjak, Auteur
|
The thermal performance under conditions of initial frost growth and subsequent refrosting after a defrost is experimentally studied for the parallel flow parallel fin (PF2) heat exchanger, a new style of heat exchanger that uses louvered bent f[...]
Article : texte imprimé
Peng, Hao, Auteur ;
Guoliang Ding, Auteur ;
Haitao Hu, Auteur
|
Nucleate pool boiling heat transfer characteristics of refrigerant/oil mixture with diamond nanoparticles were investigated experimentally. The refrigerant is R113 and the oil is VG68. Experimental conditions include a saturation pressure of 101[...]
Article : texte imprimé
H. Arima, Auteur ;
J.H. Kim, Auteur ;
A. Okamoto, Auteur
|
Ocean thermal energy conversion systems are expected to be the next-generation energy production systems. In these systems, a plate heat exchanger is used for improving the power generation efficiency, and ammonia or an ammonia/water mixture is [...]
Article : texte imprimé
X. Zou, Auteur ;
M.Q. Gong, Auteur ;
G. F. Chen, Auteur
|
Saturated flow boiling heat transfer coefficients in a horizontal tube of the binary mixtures of R170/R290 were measured. The experiments were performed at three different mixture compositions and various saturation pressures from 0.35 to 0.57 M[...]
Article : texte imprimé
Jean Castaing-Lasvignottes, Auteur ;
Stéphane Gibout, Auteur
|
Among the various ways to simulate compressor behaviour, using efficiency definitions such as volumetric, isentropic or effective is relatively easy to perform and rapid when dynamic simulation is required. Calculating these efficiencies and the[...]
Article : texte imprimé
Mitsuhiro Fukuta, Auteur ;
Masahiro Ito, Auteur ;
Tadashi Yanagisawa, Auteur
|
The dissolution of refrigerant into refrigeration oil has great influence on oil viscosity. In this study, a refractive index measurement is applied to measure the refrigerant concentration in the oil at a compressor oil sump. Although the refra[...]
Article : texte imprimé
C. H. Liang, Auteur ;
L.Z. Zhang, Auteur ;
L.X. Pei, Auteur
|
Fresh air ventilation is helpful for the control of epidemic respiratory disease like Swine flu (H1N1). Fresh air dehumidification systems with energy recovery measures are the key equipments to realize this goal. As a solution, an independent a[...]
Article : texte imprimé
H. Fallahsohi, Auteur ;
C. Changenet, Auteur ;
S. Placé, Auteur
|
In a previous paper, a Predictive Functional Control (PFC) method was proposed to control the evaporator superheat with an electronic expansion valve. It has been shown that superheat may be more accurately controlled by PFC than the conventiona[...]
Article : texte imprimé
Koji Matsumoto, Auteur ;
Takahiro Akimoto, Auteur ;
Yoshikazu Teraoka, Auteur
|
In a dynamic ice storage system, one of typical methods to form ice slurry is a “Harvest method” where ice growing on the cooling surface is scraped by a rotary knife. This method has an advantage that ice adhesion to a cooling wall, which is a [...]
Article : texte imprimé
Yong-Du Jun, Auteur ;
Kwang J. Kim, Auteur ;
John M. Kennedy, Auteur
|
Additives are often effectively used in enhancing heat transfer by creating a surface tension gradient on the surface of a condensate film to induce Marangoni driven “dropwise-like” condensation. The objective of the current study is to use the [...]
Exemplaires(0)
| Disponibilité | ||||
|---|---|---|---|---|
| aucun exemplaire | ||||
