ADSORPTION CHARACTERISTICS AND HEAT OF ADSORPTION MEASUREMENTS OF R-134a ON GRANULAR ACTIVATED CARBON

被引：5

作者：

Attalla, M. ^{[1
]}

Sadek, S. ^{[1
]}

El-Fadeel, W. Abd ^{[2
]}

机构：

[1] South Valley Univ, Fac Engn, Mech Power Dept, Qena 83251, Egypt

[2] Aswan Univ, Fac Energy Engn, Mech Power Stn Dept, Aswan, Egypt

来源：

INTERNATIONAL JOURNAL OF AIR-CONDITIONING AND REFRIGERATION | 2014年 / 22卷 / 03期

关键词：

Adsorption; activated carbon; R-134a; isosteric heat;

D O I：

10.1142/S201013251450014X

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The objective of this study is to investigate the adsorption characteristics of granular activated carbon GAC/R-134a pair in the temperature range of 20-60 degrees C and pressure up to 10 bars. The Dubinin-Astakhov adsorption equilibrium model is fit to experimental data with acceptable error limit. The pressure-temperature-concentration (P-T-X) diagram of the pair is also presented. The isosteric heat of adsorption of R-134a on AC has been calculated using the Clausius-Clapeyron equation as a function of adsorption capacity. The maximum adsorption capacity was found to be 1.92 kgR134a/kgcarbon at 20 degrees C after 1200 s. The experimental results also shows that the increase of heat transfer area improves the adsorption capacity per kg of adsorber, which lead to the design of a finned tubes heat exchanger adsorption unit.

引用

页数：9