ADSORPTION CHARACTERISTICS AND HEAT OF ADSORPTION MEASUREMENTS OF R-134a ON GRANULAR ACTIVATED CARBON-Reference-Cited by-同舟云学术

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

Published:2014-09 Issue:03 Volume:22 Page:1450014
ISSN:2010-1325
Container-title:International Journal of Air-Conditioning and Refrigeration
language:en
Short-container-title:Int. J. Air-Cond. Ref.

Author:

ATTALLA M.¹,SADEK S.¹,ABD EL-FADEEL W.²

Affiliation:

1. Mechanical Power Department, Faculty of Engineering, South Valley University, Qena 83251, Egypt

2. Mechanical Power Station Department, Faculty of Energy Engineering, Aswan University, Aswan, Egypt

Abstract

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°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°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.

Publisher

Springer Science and Business Media LLC

Subject

Fluid Flow and Transfer Processes,Renewable Energy, Sustainability and the Environment,Control and Systems Engineering

Link

https://www.worldscientific.com/doi/pdf/10.1142/S201013251450014X

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